OBDII Audi Code Definitions.
Be sure to double check the codes. Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the ones listed here. Check specific manufacturer pages on the site, as some of them, we list the OBD2 codes on those pages for those specific vehicles.
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| Audi Codes | ||
|---|---|---|
| Trouble Code | Fault Location | Probable Cause | P1000 – P1099 (Fuel and air metering and auxiliary emission control) |
| P1009 | Air Mass Meter 1/2 Implausible Signal From Load Detection | Wiring, MAF sensor(s) |
| P1018 | Intake Manifold Runner Bank 2 Lower Limit Not Reached | |
| P1020 | Fuel pressure - control limit exceeded | Wiring, fuel pressure sensor, fuel pressure control valve, high pressure fuel pump |
| P1023 | Fuel pressure control valve - short to ground | Wiring short to ground, fuel pressure control valve |
| P1024 | Fuel pressure control valve - open circuit | Wiring open circuit, fuel pressure control valve |
| P1025 | Fuel pressure control valve - mechanical fault | Fuel pressure control valve |
| P1026 | Intake manifold air control solenoid - short to positive | Wiring short to positive, intake manifold air control solenoid |
| P1027 | Intake manifold air control solenoid - short to ground | Wiring short to ground, intake manifold air control solenoid |
| P1028 | Intake manifold air control solenoid - open circuit | Wiring open circuit, intake manifold air control solenoid |
| P1029 | Intake manifold air control valve position sensor - upper limit not reached | Air control flap tight/sticking, hose connection(s), intake manifold air control actuator |
| P1030 | Intake manifold air control valve position sensor - lower limit not reached | Air control flap tight/sticking, hose connection(s), intake manifold air control actuator |
| P1031 | Intake manifold air control valve position sensor - specification not attained | Air control flap tight/sticking, hose connection(s), intake manifold air control actuator, intake manifold air control solenoid |
| P1032 | Nitrogen oxides (NOx) sensor - signal too high | Catalytic converter, wiring short to positive, NOx sensor |
| P1033 | Nitrogen oxides (NOx) sensor - signal too low | Exhaust leak, wiring short to ground, NOx sensor |
| P1034 | Nitrogen oxides (NOx) sensor - signal outside tolerance | Catalytic converter, exhaust leak, wiring, NOx sensor |
| P1035 | Nitrogen oxides (NOx) sensor - range/performance problem | Wiring, heating inoperative, NOx sensor |
| P1036 | Nitrogen oxides (NOx) heater sensor - short to positive | Wiring short to positive, NOx sensor |
| P1037 | Nitrogen oxides (NOx) heater sensor - short to ground | Wiring short to ground, NOx sensor |
| P1038 | Nitrogen oxides (NOx) heater sensor - open circuit | Wiring open circuit, NOx sensor |
| P1039 | Injector 1, supply voltage - short circuit | Wiring, injector |
| P1040 | Injector 1, supply voltage - circuit malfunction | Wiring, injector |
| P1041 | Injector 2, supply voltage - short circuit | Wiring, injector |
| P1042 | Injector 2, supply voltage - circuit malfunction | Wiring, injector |
| P1043 | Injector 3, supply voltage - short circuit | Wiring, injector |
| P1044 | Injector 3, supply voltage - circuit malfunction | Wiring, injector |
| P1045 | Injector 4, supply voltage - short circuit | Wiring, injector |
| P1046 | Injector 4, supply voltage - circuit malfunction | Wiring, injector |
| P1047 | Camshaft position (CMP) actuator, exhaust/ right/rear, Bank 1 - circuit malfunction | Wiring, camshaft position (CMP) actuator |
| P1048 | Camshaft position (CMP) actuator, exhaust/ right/rear, Bank 1 - short to positive | Wiring short to positive, camshaft position (CMP) actuator |
| P1049 | Camshaft position (CMP) actuator, exhaust/ right/rear, Bank 1 - short to ground | Wiring short to ground, camshaft position (CMP) actuator |
| P1050 | Camshaft position (CMP) actuator, exhaust/ right/rear, Bank 1 - open circuit | Wiring open circuit, camshaft position (CMP) actuator |
| P1055 | Bank 1 Camshaft Adjustment Short To B+ | Wiring short to positive, camshaft position (CMP) actuator |
| P1056 | Bank 1 Camshaft Adjustment Short To Ground | Wiring short to ground, camshaft position (CMP) actuator |
| P1057 | Bank 1 Camshaft Adjustment Short To Open Circuit | Wiring open circuit, camshaft position (CMP) actuator |
| P1063 | Fuel pressure - control limit not reached | Air in fuel system, fuel leak, fuel lift pump, fuel bypass valve, fuel pressure control valve, high pressure fuel pump |
| P1064 | Fuel pressure - mechanical fault | Air in fuel system, fuel leak, fuel lift pump, fuel bypass valve, fuel pressure control valve, high pressure fuel pump |
| P1065 | Fuel pressure - system deviation | Air in fuel system, fuel leak, fuel lift pump, fuel bypass valve, fuel pressure control valve, high pressure fuel pump |
| P1066 | Intake manifold air control solenoid - short to positive | Wiring short to positive, intake manifold air control solenoid |
| P1067 | Intake manifold air control solenoid - short to ground | Wiring short to ground, intake manifold air control solenoid |
| P1068 | Intake manifold air control solenoid - open circuit | Wiring open circuit, intake manifold air control solenoid |
| P1069 | Nitrogen oxides (NOx) sensor - heater control - short to ground | Wiring short to ground, NOx sensor |
| P1070 | Nitrogen oxides (NOx) sensor - heater control - short to positive | Wiring short to positive, NOx sensor |
| P1071 | Nitrogen oxides (NOx) sensor - heater control - incorrect signal | Wiring, NOx sensor |
| P1072 | Nitrogen oxides (NOx) sensor - heater control - circuit malfunction | Wiring, NOx sensor |
| P1073 | Mass Air Flow Sensor 2 Signal Too Small | Wiring, MAF sensor(s) |
| P1074 | Mass Air Flow Sensor 2 Signal Too Large | Wiring, MAF sensor(s) |
| P1081 | Exhaust Bank 3- Mixture Adaption Range 1 Lower Lean Limit Not Reached | Wiring, H02S |
| P1082 | Exhaust Bank 3- Mixture Adaption Range 2 Lower Lean Limit Not Reached | Wiring, H02S |
| P1083 | Exhaust Bank 3- Mixture Adaption Range 1 Lower Rich Limit Not Reached | Wiring, intake leak, H02S |
| P1084 | Exhaust Bank 3- Mixture Adaption Range 2 Lower Rich Limit Not Reached | Wiring, intake leak, H02S |
| P1085 | Exhaust Bank 4- Mixture Adaption Range 1 Lower Lean Limit Not Reached | Wiring, H02S |
| P1086 | Exhaust Bank 4- Mixture Adaption Range 2 Lower Lean Limit Not Reached | Wiring, H02S |
| P1087 | Exhaust Bank 4- Mixture Adaption Range 1 Lower Rich Limit Not Reached | Wiring, intake leak, H02S |
| P1088 | Exhaust Bank 4- Mixture Adaption Range 2 Lower Rich Limit Not Reached | Wiring, intake leak, H02S |
| P1093 | Mixture control (MC), Bank 1 - malfunction | Fuel pressure/pump, injector(s) intake leak | P1100 – P1199 (Fuel and air metering) |
| P1100 | HO2S12 Sensor Circuit Voltage Too Low Air Leak | |
| P1101 | Heated oxygen sensor (HO2S) 1, Bank 1 - low voltage/air leak | Intake/exhaust leak, fuel pressure/pump, wiring short to ground, HO2S |
| P1102 | Heated oxygen sensor (HO2S) 1, Bank 1 - heater short to positive | Wiring short to positive, HO2S |
| P1103 | Heated oxygen sensor (HO2S) 1, Bank 1 - heater output too low | Wiring, HO2S |
| P1104 | HO2S12 Sensor Circuit Voltage Too Low Air Leak | Wiring, air leak, H02S |
| P1105 | Heated oxygen sensor (HO2S) 2, Bank 1 - heater short to positive | Wiring short to positive, HO2S |
| P1106 | Heated oxygen sensor (HO2S) 1, Bank 2 - low voltage/air leak | Intake/exhaust leak, fuel pressure/pump, wiring short to ground, HO2S |
| P1107 | Heated oxygen sensor (HO2S) 1, Bank 2 - heater short to positive | Wiring short to positive, HO2S |
| P1109 | HO2S22 Sensor Circuit Voltage Too Low Air Leak | Wiring, air leak, H02S |
| P1110 | Heated oxygen sensor (HO2S) 2, Bank 2 - heater short to positive | Wiring short to positive, HO2S |
| P1111 | Heated oxygen sensor (HO2S) control, Bank 1 - system too lean | Intake/exhaust leak, injector blocked, MAP sensor, MAF sensor, fuel pressure/ pump, HO2S |
| P1112 | Heated oxygen sensor (HO2S) control, Bank 1 - system too rich | Excessive fuel in engine oil, injector leaking, fuel pressure, EVAP canister purge valve, MAP sensor, MAF sensor, HO2S |
| P1113 | Heated oxygen sensor (HO2S) 1, Bank 1 - heater resistance too high | Wiring, HO2S |
| P1114 | Heated oxygen sensor (HO2S) 2, Bank 1 - heater resistance too high | Wiring, HO2S |
| P1115 | Heated oxygen sensor (HO2S) 1, Bank 1 - heater short to ground | Wiring short to ground, HO2S |
| P1116 | Heated oxygen sensor (HO2S) 1, Bank 1 - heater open circuit | Wiring open circuit, HO2S |
| P1117 | Heated oxygen sensor (HO2S) 2, Bank 1 - heater short to ground | Wiring short to ground, HO2S |
| P1118 | Heated oxygen sensor (HO2S) 2, Bank 1 - heater open circuit | Wiring open circuit, HO2S |
| P1119 | Heated oxygen sensor (HO2S) 1, Bank 2 - heater short to ground | Wiring short to ground, HO2S |
| P1120 | Heated oxygen sensor (HO2S) 1, Bank 2 - heater open circuit | Wiring open circuit, HO2S |
| P1121 | Heated oxygen sensor (HO2S) 2, Bank 2 - heater short to ground | Wiring short to ground, HO2S |
| P1122 | Heated oxygen sensor (HO2S) 2, Bank 2 - heater open circuit | Wiring open circuit, HO2S |
| P1123 | Long Term Fuel Trim Adjustment Bank 1 System Too Rich | Excessive fuel in engine oil, fuel pressure, EVAP canister purge valve, injector(s) |
| P1124 | Long Term Fuel Trim Adjustment Bank 1 System Too Lean | Fuel pressurelpump, injector(s), intakelexhaust leak, AIR system, hose leak |
| P1125 | Long Term Fuel Trim Adjustment Bank 2 System Too Rich | Excessive fuel in engine oil, fuel pressure, EVAP canister purge valve, injector(s) |
| P1126 | Long Term Fuel Trim Adjustment Bank 2 System Too Lean | Fuel pressure/pump, injector(s), intake/exhaust leak, AIR system, hose leak |
| P1127 | Long term fuel trim, entire speed/load range, Bank 1 - system too rich | Excessive fuel in engine oil, fuel pressure, EVAP canister purge valve, injector(s) |
| P1128 | Long term fuel trim, entire speed/load range, Bank 1 - system too lean | Fuel pressure/pump, injector(s), intake/ exhaust leak, AIR system, hose leak |
| P1129 | Long term fuel trim, entire speed/load range, Bank 2 - system too rich | Excessive fuel in engine oil, fuel pressure, EVAP canister purge valve, injector(s) |
| P1130 | Long term fuel trim, entire speed/load range, Bank 2 - system too lean | Fuel pressure/pump, injector(s), intake/ exhaust leak, AIR system, hose leak |
| P1131 | Heated oxygen sensor (HO2S) 1, Bank 1 - heater resistance too high | Wiring, HO2S |
| P1132 | Heated oxygen sensor (HO2S) 1, Bank 1 & 2 - heater control - circuit high | Wiring short to positive, HO2S |
| P1133 | Heated oxygen sensor (HO2S) 1, Bank 1 & 2 - heater control - circuit low | Wiring open circuit/short to ground, HO2S |
| P1134 | HO2S Heater Circuit- Bank 1 & 2 Sensor 2 Short To B+ | Wiring short to positive, H02S |
| P1135 | HO2S Heater Circuit- Bank 1 & 2 Sensor 2 Electrical Malfunction | Wiring open circuit/short to ground, H02S |
| P1136 | Long term fuel trim, idling, Bank 1 - system too lean | Fuel pressure/pump, injector(s), intake/ exhaust leak, AIR system, hose leak |
| P1137 | Long term fuel trim, idling, Bank 1 - system too rich | Fuel pressure, injector(s), EVAP canister purge valve |
| P1138 | Long term fuel trim, idling, Bank 2 - system too lean | Fuel pressure/pump, injector(s), intake/ exhaust leak, AIR system, hose leak |
| P1139 | Long term fuel trim, idling, Bank 2 - system too rich | Fuel pressure, injector(s), EVAP canister purge valve |
| P1140 | Heated oxygen sensor (HO2S) 2, Bank 2 - heater resistance too high | Wiring, HO2S |
| P1141 | Load calculation - implausible value | Wiring, MAP sensor, MAF sensor |
| P1142 | Load calculation - too low | Throttle control unit, MAP sensor, MAF sensor, APP sensor |
| P1143 | Load calculation - too high | Throttle control unit, MAP sensor, MAF sensor, APP sensor |
| P1144 | Mass air flow (MAF) sensor, Bank 1 - open circuit/short to ground | Wiring open circuit/short to ground, MAF sensor |
| P1145 | Mass air flow (MAF) sensor, Bank 1 - short to positive | Wiring short to positive, MAF sensor |
| P1146 | Mass air flow (MAF) sensor, Bank 1 - supply voltage | Operating voltage too high/low, wiring |
| P1147 | Heated oxygen sensor (HO2S) 1, Bank 2 - lambda regulation, system too lean | Intake leak, wiring, HO2S |
| P1148 | Heated oxygen sensor (HO2S) 1, Bank 2 - lambda regulation, system too rich | Exhaust leak, wiring, HO2S |
| P1149 | Heated oxygen sensor (HO2S) 1, Bank 1 - implausible lambda control value | Exhaust leak, wiring, HO2S |
| P1150 | Heated oxygen sensor (HO2S) 1, Bank 2 - implausible lambda control value | Exhaust leak, wiring, HO2S |
| P1151 | Long term fuel trim 1, Bank 1 - below lean limit | Fuel pressure/pump, injectors, intake/exhaust leak, HO2S |
| P1152 | Long term fuel trim 2, Bank 1 - below lean limit | Fuel pressure/pump, injectors, intake/exhaust leak, AIR system, HO2S |
| P1153 | Heated oxygen sensor (HO2S) 2, Bank 1 & 2 - interchanged | HO2S 2 on Bank 1 & 2 incorrectly installed |
| P1154 | Manifold Switch Over Malfunction | Wiring, actuator, mechanical fault, ECM |
| P1155 | Manifold absolute pressure (MAP) sensor - short to positive | Wiring short to positive, MAP sensor |
| P1156 | Manifold absolute pressure (MAP) sensor - open circuit/short to ground | Wiring open circuit/short to ground, MAP sensor |
| P1157 | Manifold absolute pressure (MAP) sensor - supply voltage | Wiring, MAP sensor |
| P1158 | Manifold absolute pressure (MAP) sensor - range/performance problem | Wiring, hose connection(s), MAP sensor |
| P1159 | Mass air flow (MAF) sensor, Bank 1 & 2 - implausible ratio | EGR system, intake leak, wiring, MAF sensor 1/2 |
| P1160 | Intake air temperature (IAT) sensor - short to ground | Wiring short to ground, IAT sensor |
| P1161 | Intake air temperature (IAT) sensor - open circuit/short to positive | Wiring open circuit/short to positive, IAT sensor |
| P1162 | Fuel temperature sensor - short to ground | Wiring short to ground, fuel temperature sensor |
| P1163 | Fuel temperature sensor - open circuit/short to positive | Wiring open circuit/short to positive, fuel temperature sensor |
| P1164 | Fuel temperature sensor - range/performance problem | Wiring, fuel temperature sensor |
| P1165 | Long term fuel trim 1, Bank 1 - above rich limit | Fuel pressure/pump, injectors, EVAP canister purge valve, EGR system, HO2S, intake/exhaust system |
| P1166 | Long term fuel trim 2, Bank 1 - above rich limit | Fuel pressure/pump, injectors, EVAP canister purge valve, EGR system, HO2S, intake/exhaust system |
| P1167 | Mass air flow (MAF) sensor, Bank 2 - range/performance problem | Intake leak, wiring, MAF sensor |
| P1168 | Mass air flow (MAF) sensor, Bank 2 - low input | Intake leak, air filter blocked, wiring short to ground, fuse, MAF sensor |
| P1169 | Mass air flow (MAF) sensor, Bank 2 - high input | Wiring short to positive, ground wire defective, MAF sensor |
| P1170 | Mass air flow (MAF) sensor, Bank 2 - supply voltage | Wiring, fuse, engine control relay, injector |
| P1171 | Throttle motor position sensor 2 - range/performance problem | Wiring, throttle valve tight/sticking, throttle motor position sensor |
| P1172 | Throttle motor position sensor 2 - low input | Wiring short to ground, throttle motor position sensor |
| P1173 | Throttle motor position sensor 2 - high input | Wiring short to positive, throttle motor position sensor |
| P1174 | Fuel measurement system, Bank 1 - injection timing incorrect | Fuel pressure/pump, injector(s), intake/exhaust leak, EGR system, EVAP canister purge valve, HO2S |
| P1176 | Lambda correction after catalyst, Bank 1 - control limit reached | Intake leak, HO2S |
| P1177 | Lambda correction after catalyst, Bank 2 - control limit reached | Intake leak, HO2S |
| P1178 | Heated oxygen sensor (HO2S) 1, Bank 1, pump current - open circuit | Wiring open circuit, HO2S |
| P1179 | Heated oxygen sensor (HO2S) 1, Bank 1, pump current - short to ground | Wiring short to ground, HO2S |
| P1180 | Heated oxygen sensor (HO2S) 1, Bank 1, pump current - short to positive | Wiring short to positive, HO2S |
| P1181 | Heated oxygen sensor (HO2S) 1, Bank 1, reference voltage - open circuit | Wiring open circuit, HO2S, HT leads, spark plugs, misfire detection |
| P1182 | Heated oxygen sensor (HO2S) 1, Bank 1, reference voltage - short to ground | Wiring short to ground, HO2S, HT leads, spark plugs, misfire detection |
| P1183 | Heated oxygen sensor (HO2S) 1, Bank 1, reference voltage - short to positive | Wiring short to positive, HO2S, HT leads, spark plugs, misfire detection |
| P1184 | Linear Oxygen Sensor Common Ground Open Circuit | Wiring open circuit, H02S |
| P1185 | Linear Oxygen Sensor Common Ground Short To Ground | Wiring open circuit, H02S |
| P1186 | Linear Oxygen Sensor Common Ground Short To Positive | Wiring open circuit, H02S |
| P1187 | Heated oxygen sensor (HO2S) 1, Bank 1 or 2 - circuit malfunction | Wiring, HO2S |
| P1188 | Linear O2 Sensor Compensation Resistor Short to Ground | Wiring, HO2S |
| P1189 | Linear O2 Sensor Compensation Resistor Short to B+ | Wiring, HO2S |
| P1190 | Heated oxygen sensor (HO2S) 1, Bank 1, reference voltage - range/performance problem | Wiring, HO2S, HT leads, spark plugs, misfire detection |
| P1191 | Heated oxygen sensor (HO2S) 1, Bank 1 & 2 - interchanged | HO2S 1 on banks 1 & 2 incorrectly installed |
| P1192 | Fuel pressure sensor - supply voltage | Wiring, fuel pressure sensor |
| P1193 | Fuel pressure sensor - open circuit/ short to positive | Wiring open circuit/short to positive |
| P1194 | Fuel pressure control valve - short to positive | Wiring short to positive, fuel pressure control valve |
| P1195 | Fuel pressure control valve - open circuit/short to ground | Wiring open circuit/short to ground, fuel pressure control valve |
| P1196 | Heated oxygen sensor (HO2S) 1, Bank 1, heater circuit malfunction | Wiring, HO2S |
| P1197 | Heated oxygen sensor (HO2S) 1, Bank 2, heater circuit malfunction | Wiring, HO2S |
| P1198 | Heated oxygen sensor (HO2S) 2, Bank 1, heater circuit malfunction | Wiring, HO2S |
| P1199 | Heated oxygen sensor (HO2S) 2, Bank 2, heater circuit malfunction | Wiring, HO2S | P1200 – P1299 (Fuel and air metering – injector circuit) |
| P1200 | Turbocharger Recirculating Valve Mechanical Malfunction | |
| P1201 | Injector 1 - circuit malfunction | Wiring, injector |
| P1202 | Injector 2 - circuit malfunction | Wiring, injector |
| P1203 | Injector 3 - circuit malfunction | Wiring, injector |
| P1204 | Injector 4 - circuit malfunction | Wiring, injector |
| P1205 | Injector 5 - circuit malfunction | Wiring, injector |
| P1206 | Injector 6 - circuit malfunction | Wiring, injector |
| P1207 | Injector 7 - circuit malfunction | Wiring, injector |
| P1208 | Injector 8 - circuit malfunction | Wiring, injector |
| P1209 | Intake Valves For Cylinder Shut Off Short Circuit To Ground | Wiring short to ground, valve controller |
| P1210 | Intake Valves For Cylinder Shut Off Short to B+ | Wiring short to positive, valve controller |
| P1211 | Intake Valves For Cylinder Shut Off Open Circuit | Wiring open circuit, valve controller |
| P1213 | Injector 1 - short to positive | Wiring short to positive, injector |
| P1214 | Injector 2 - short to positive | Wiring short to positive, injector |
| P1215 | Injector 3 - short to positive | Wiring short to positive, injector |
| P1216 | Injector 4 - short to positive | Wiring short to positive, injector |
| P1217 | Injector 5 - short to positive | Wiring short to positive, injector |
| P1218 | Injector 6 - short to positive | Wiring short to positive, injector |
| P1219 | Injector 7 - short to positive | Wiring short to positive, injector |
| P1220 | Injector 8 - short to positive | Wiring short to positive, injector |
| P1221 | Cylinder Shut Off Exhaust Valves Short Circuit To Ground | Wiring short to ground, valve controller |
| P1222 | Cylinder Shut Off Exhaust Valves Short To B+ | Wiring short to positive, valve controller |
| P1223 | Cylinder Shut Off Exhaust Valves Open Circuit | Wiring open circuit, valve controller |
| P1225 | Injector 1 - short to ground | Wiring short to ground, injector |
| P1226 | Injector 2 - short to ground | Wiring short to ground, injector |
| P1227 | Injector 3 - short to ground | Wiring short to ground, injector |
| P1228 | Injector 4 - short to ground | Wiring short to ground, injector |
| P1229 | Injector 5 - short to ground | Wiring short to ground, injector |
| P1230 | Injector 6 - short to ground | Wiring short to ground, injector |
| P1231 | Injector 7 - short to ground | Wiring short to ground, injector |
| P1232 | Injector 8 - short to ground | Wiring short to ground, injector |
| P1237 | Injector 1 - open circuit | Wiring open circuit, injector |
| P1238 | Injector 2 - open circuit | Wiring open circuit, injector |
| P1239 | Injector 3 - open circuit | Wiring open circuit, injector |
| P1240 | Injector 4 - open circuit | Wiring open circuit, injector |
| P1241 | Injector 5 - open circuit | Wiring open circuit, injector |
| P1242 | Injector 6 - open circuit | Wiring open circuit, injector |
| P1243 | Injector 7 - open circuit | Wiring open circuit, injector |
| P1244 | Injector 8 - open circuit | Wiring open circuit, injector |
| P1245 | Injector needle lift sensor - short to ground | Wiring short to ground, injector needle lift sensor |
| P1246 | Injector needle lift sensor - range/performance problem | Injector needle lift sensor, injector pipe defective, fuel level low |
| P1247 | Injector needle lift sensor - open circuit/short to positive | Wiring open circuit/short to positive, injector needle lift sensor |
| P1248 | Start of injection - control difference | Fuel injection timing solenoid, injector needle lift sensor, fuel level low, pump timing |
| P1249 | Fuel Consumption Signal Electrical Fault In Circuit | Wiring, fuel tank level sensor, ECM |
| P1250 | Fuel tank level sensor - low input | Fuel level too low |
| P1251 | Fuel injection timing solenoid - short to positive | Wiring short to positive |
| P1252 | Fuel injection timing solenoid - open circuit/short to ground | Wiring open circuit/short to ground, fuel injection timing solenoid |
| P1253 | Instrument panel, fuel consumption signal - short to ground | Wiring short to ground, instrument panel |
| P1254 | Instrument panel, fuel consumption signal - short to positive | Wiring short to positive, instrument panel |
| P1255 | Engine coolant temperature (ECT) sensor - short to ground | Wiring short to ground, ECT sensor |
| P1256 | Engine coolant temperature (ECT) sensor - open circuit/short to positive | Wiring open circuit/short to positive, ECT sensor |
| P1257 | Engine Coolant System Valve Open | Wiring open circuit, valve |
| P1258 | Engine Coolant System Valve Short To B+ | Wiring short to positive, valve |
| P1259 | Engine Coolant System Valve Short To Ground | Wiring short to ground, valve |
| P1260 | Injector 1 - implausible signal | No control |
| P1261 | Injector 1 - control limit exceeded | Control period too long, wiring, injector |
| P1262 | Injector 1 - control limit not reached | Control period too short, fuel level low, air in fuel system |
| P1263 | Injector 2 - implausible signal | No control |
| P1264 | Injector 2 - control limit exceeded | Control period too long, wiring, injector |
| P1265 | Injector 2 - control limit not reached | Control period too short, fuel level low, air in fuel system |
| P1266 | Injector 3 - implausible signal | No control |
| P1267 | Injector 3 - control limit exceeded | Control period too long, wiring, injector |
| P1268 | Injector 3 - control limit not reached | Control period too short, fuel level low, air in fuel system |
| P1269 | Injector 4 - implausible signal | No control |
| P1270 | Injector 4 - control limit exceeded | Control period too long, wiring, injector |
| P1271 | Injector 4 - control limit not reached | Control period too short, fuel level low, air in fuel system |
| P1278 | Fuel metering solenoid - short to positive | Wiring short to positive, fuel metering solenoid |
| P1279 | Fuel metering solenoid - open circuit/short to ground | Wiring open circuit/short to ground, fuel metering solenoid |
| P1281 | Fuel metering solenoid - short to ground | Wiring short to ground, fuel metering solenoid |
| P1282 | Fuel metering solenoid - open circuit | Wiring open circuit, fuel metering solenoid |
| P1285 | Fuel Injection Air Control Valve Circuit Short To Ground | Wiring, valve/solenoid |
| P1287 | Turbocharger (TC) bypass valve - open circuit | Wiring open circuit, TC bypass valve |
| P1288 | Turbocharger (TC) bypass valve - short to positive | Wiring short to positive, TC bypass valve |
| P1289 | Turbocharger (TC) bypass valve - short to ground | Wiring short to ground, TC bypass valve |
| P1290 | Engine coolant temperature (ECT) sensor, ECM controlled cooling system - high input | Wiring, ECT sensor |
| P1291 | Engine coolant temperature (ECT) sensor, ECM controlled cooling system - high input | Wiring, ECT sensor |
| P1292 | Engine coolant thermostat - open circuit | Wiring open circuit, engine coolant thermostat |
| P1293 | Engine coolant thermostat - short to positive | Wiring short to positive, engine coolant thermostat |
| P1294 | Engine coolant thermostat - short to ground | Wiring short to ground, engine coolant thermostat |
| P1295 | Turbocharger (TC), bypass - flow malfunction | TC wastegate regulating valve, hose connection(s), injector |
| P1296 | Engine cooling system - malfunction | ECT sensor, coolant thermostat |
| P1297 | Turbocharger (TC)/throttle valve, hose connection - pressure loss | Hose connection |
| P1299 | Fuel metering solenoid - circuit malfunction | Wiring, fuel metering solenoid | P1300 – P1399 (Ignition system or misfire) |
| P1300 | Random/multiple cylinder(s) - misfire detected | Fuel level low, fuel gauge tank sensor |
| P1320 | Knock Sensor 2 Circuit Short To Ground | Wiring, KS, ECM |
| P1321 | Knock Sensor 3 Signal Too Low | Wiring, KS, ECM |
| P1322 | Knock Sensor 3 Signal Too High | KS incorrectly tightened |
| P1323 | Knock Sensor 4 Signal Too Low | Wiring, KS, ECM |
| P1324 | Knock Sensor 4 Signal Too Low | KS incorrectly tightened |
| P1325 | Knock control, cylinder 1 - control limit reached | Poor quality fuel, incorrect fuel, insecure engine component, KS incorrectly tightened/defective, shield wiring open circuit, poor connection |
| P1326 | Knock control, cylinder 2 - control limit reached | Poor quality fuel, incorrect fuel, insecure engine component, KS incorrectly tightened/defective, shield wiring open circuit, poor connection |
| P1327 | Knock control, cylinder 3 - control limit reached | Poor quality fuel, incorrect fuel, insecure engine component, KS incorrectly tightened/defective, shield wiring open circuit, poor connection |
| P1328 | Knock control, cylinder 4 - control limit reached | Poor quality fuel, incorrect fuel, insecure engine component, KS incorrectly tightened/defective, shield wiring open circuit, poor connection |
| P1329 | Knock control, cylinder 5 - control limit reached | Poor quality fuel, incorrect fuel, insecure engine component, KS incorrectly tightened/defective, shield wiring open circuit, poor connection |
| P1330 | Knock control, cylinder 6 - control limit reached | Poor quality fuel, incorrect fuel, insecure engine component, KS incorrectly tightened/defective, shield wiring open circuit, poor connection |
| P1331 | Knock control, cylinder 7 - control limit reached | Poor quality fuel, incorrect fuel, insecure engine component, KS incorrectly tightened/defective, shield wiring open circuit, poor connection |
| P1332 | Knock control, cylinder 8 - control limit reached | Poor quality fuel, incorrect fuel, insecure engine component, KS incorrectly tightened/defective, shield wiring open circuit, poor connection |
| P1335 | Engine torque control - limit reached | Throttle control unit, hose(s), TC system, MAP sensor, IAT sensor, MAF sensor, ECT sensor |
| P1336 | Engine torque monitoring - control limit exceeded | Hose(s), TC system, throttle control unit, IAT sensor, MAP sensor, MAF sensor, ECT sensor, APP sensor |
| P1337 | Camshaft position (CMP) sensor, Bank 1 - short to ground | Wiring short to ground, CMP sensor |
| P1338 | Camshaft position (CMP) sensor, Bank 1 - open circuit/short to positive | Wiring open circuit/short to positive, CMP sensor |
| P1339 | Crankshaft position (CKP) sensor/ engine speed (RPM) sensor - interchanged | Multi-plugs incorrectly connected |
| P1340 | Camshaft position (CMP) sensor 1/Bank 1/ crankshaft position (CKP) sensor - out of sequence | Valve timing, CKP/CMP sensor installation, CKP sensor rotor |
| P1341 | Ignition amplifier, primary circuit 1 - short to ground | Wiring short to ground, ignition amplifier, CMP sensor, HT leads, spark plugs |
| P1342 | Ignition amplifier, primary circuit 1 - short to positive | Wiring short to positive, ignition amplifier, CMP sensor, HT leads, spark plugs |
| P1343 | Ignition amplifier, primary circuit 2 - short to ground | Wiring short to ground, ignition amplifier, CMP sensor, HT leads, spark plugs |
| P1344 | Ignition amplifier, primary circuit 2 - short to positive | Wiring short to positive, ignition amplifier, CMP sensor, HT leads, spark plugs |
| P1345 | Ignition amplifier, primary circuit 3 - short to ground | Wiring short to ground, ignition amplifier, CMP sensor, HT leads, spark plugs |
| P1346 | Ignition amplifier, primary circuit 3 - short to positive | Wiring short to positive, ignition amplifier, CMP sensor, HT leads, spark plugs |
| P1347 | Camshaft position (CMP) sensor 2/Bank 2/ crankshaft position (CKP) sensor - out of sequence | Valve timing, CKP/CMP sensor installation, CKP sensor rotor |
| P1348 | Ignition amplifier, primary circuit 1 - open circuit | Wiring short to ground, ignition amplifier, CMP sensor, HT leads, spark plugs |
| P1349 | Ignition amplifier, primary circuit 2 - open circuit | Wiring short to positive, ignition amplifier, CMP sensor, HT leads, spark plugs |
| P1350 | Ignition amplifier, primary circuit 3 - open circuit | Wiring short to positive, ignition amplifier, CMP sensor, HT leads, spark plugs |
| P1351 | Camshaft position (CMP) sensor, Bank 1 - range/performance problem | Ignore trouble code, erase fault memory |
| P1354 | Fuel quantity adjuster position sensor | Wiring, fuel injection pump |
| P1355 | Ignition coil/amplifier, cylinder 1 - open circuit | Wiring open circuit, ignition coil/ amplifier |
| P1356 | Ignition coil/amplifier, cylinder 1 - short to positive | Wiring short to positive, ignition coil/ amplifier |
| P1357 | Ignition coil/amplifier, cylinder 1 - short to ground | Wiring short to ground, ignition coil/ amplifier |
| P1358 | Ignition coil/amplifier, cylinder 2 - open circuit | Wiring open circuit, ignition coil/ amplifier |
| P1359 | Ignition coil/amplifier, cylinder 2 - short to positive | Wiring short to positive, ignition coil/ amplifier |
| P1360 | Ignition coil/amplifier, cylinder 2 - short to ground | Wiring short to ground, ignition coil/ amplifier |
| P1361 | Ignition coil/amplifier, cylinder 3 - open circuit | Wiring open circuit, ignition coil/ amplifier |
| P1362 | Ignition coil/amplifier, cylinder 3 - short to positive | Wiring short to positive, ignition coil/ amplifier |
| P1363 | Ignition coil/amplifier, cylinder 3 - short to ground | Wiring short to ground, ignition coil/ amplifier |
| P1364 | Ignition coil/amplifier, cylinder 4 - open circuit | Wiring open circuit, ignition coil/ amplifier |
| P1365 | Ignition coil/amplifier, cylinder 4 - short to positive | Wiring short to positive, ignition coil/ amplifier |
| P1366 | Ignition coil/amplifier, cylinder 4 - short to ground | Wiring short to ground, ignition coil/ amplifier |
| P1367 | Ignition coil/amplifier, cylinder 5 - open circuit | Wiring open circuit, ignition coil/ amplifier |
| P1368 | Ignition coil/amplifier, cylinder 5 - short to positive | Wiring short to positive, ignition coil/ amplifier |
| P1369 | Ignition coil/amplifier, cylinder 5 - short to ground | Wiring short to ground, ignition coil/ amplifier |
| P1370 | Ignition coil/amplifier, cylinder 6 - open circuit | Wiring open circuit, ignition coil/ amplifier |
| P1371 | Ignition coil/amplifier, cylinder 6 - short to positive | Wiring short to positive, ignition coil/ amplifier |
| P1372 | Ignition coil/amplifier, cylinder 6 - short to ground | Wiring short to ground, ignition coil/ amplifier |
| P1373 | Ignition coil/amplifier, cylinder 7 - open circuit | Wiring open circuit, ignition coil/ amplifier |
| P1374 | Ignition coil/amplifier, cylinder 7 - short to positive | Wiring short to positive, ignition coil/ amplifier |
| P1375 | Ignition coil/amplifier, cylinder 7 - short to ground | Wiring short to ground, ignition coil/ amplifier |
| P1376 | Ignition coil/amplifier, cylinder 8 - open circuit | Wiring open circuit, ignition coil/ amplifier |
| P1377 | Ignition coil/amplifier, cylinder 8 - short to positive | Wiring short to positive, ignition coil/ amplifier |
| P1378 | Ignition coil/amplifier, cylinder 8 - short to ground | Wiring short to ground, ignition coil/ amplifier |
| P1385 | Engine control module (ECM) - defective | ECM |
| P1386 | Engine control module (ECM), knock control - defective | ECM |
| P1387 | Engine control module (ECM), BARO sensor - defective | ECM |
| P1388 | Engine control module (ECM), ETS - defective | ECM |
| P1389 | Engine control module (ECM) 2 - defective | ECM |
| P1391 | Camshaft position (CMP) sensor 2/ Bank 2 - short to ground | Wiring short to ground, CMP sensor |
| P1392 | Camshaft position (CMP) sensor 2/ Bank 2 - open circuit/short to positive | Wiring open circuit/short to positive, CMP sensor |
| P1393 | Ignition amplifier, primary circuit 1 - circuit malfunction | Wiring, ignition amplifier, HT leads, spark plugs |
| P1394 | Ignition amplifier, primary circuit 2 - circuit malfunction | Wiring, ignition amplifier, HT leads, spark plugs |
| P1395 | Ignition amplifier, primary circuit 3 - circuit malfunction | Wiring, ignition amplifier, HT leads, spark plugs |
| P1397 | Crankshaft position (CKP) sensor/engine speed (RPM) sensor - control limit reached | Insecure/damaged rotor, CKP/RPM sensor |
| P1398 | Crankshaft position (CKP) sensor/engine speed (RPM) sensor - short to ground | Wiring short to ground, CKP/RPM sensor |
| P1399 | Crankshaft position (CKP) sensor/engine speed (RPM) sensor - short to positive | Wiring short to positive, CKP/RPM sensor | P1400 – P1499 (Emission control) |
| P1400 | Exhaust gas recirculation (EGR) valve/solenoid, Bank 1 - circuit malfunction | Wiring, EGR valve |
| P1401 | Exhaust gas recirculation (EGR) valve/solenoid, Bank 1 - short to ground | Wiring short to ground, EGR valve |
| P1402 | Exhaust gas recirculation (EGR) valve/solenoid, Bank 1 - short to positive | Wiring short to positive, EGR valve/ solenoid |
| P1403 | Exhaust gas recirculation (EGR) system - control difference | Basic setting not carried out, EGR system |
| P1404 | Exhaust gas recirculation (EGR) system - basic setting | Basic setting not carried out, EGR system |
| P1406 | EGR Temperature Sensor Signal Range Performance | Wiring, EGRT sensor, ECM |
| P1407 | Exhaust gas recirculation temperature (EGRT) sensor - low input | Wiring short to ground, EGRT sensor |
| P1408 | Exhaust gas recirculation temperature (EGRT) sensor - high input | Wiring short to positive, ground wire defective, EGRT sensor |
| P1409 | Evaporative emission (EVAP) canister purge valve - circuit malfunction | Wiring, EVAP canister purge valve |
| P1410 | Evaporative emission (EVAP) canister purge valve - short to positive | Wiring short to positive, EVAP canister purge valve |
| P1411 | Secondary air injection (AIR) system, Bank 2 - insufficient flow detected | Intake leak, hose(s) blocked/leaking, AIR valve/solenoid |
| P1412 | EGR Differential Pressure Sensor Signal Too Low | Wiring, EGR sensor, ECM |
| P1413 | EGR Differential Pressure Sensor Signal Too High | Wiring, EGR sensor, ECM |
| P1414 | Secondary air injection (AIR) system, Bank 2 - leak detected | Intake leak, hose(s) leaking, AIR valve/solenoid |
| P1415 | Exhaust gas recirculation (EGR) valve position sensor - lower limit exceeded | Basic setting not carried out |
| P1416 | Exhaust gas recirculation (EGR) valve position sensor - upper limit exceeded | Basic setting not carried out |
| P1417 | Fuel Level Sensor Circuit Signal Too Low | Wiring, fuel level sensor, ECM |
| P1418 | Fuel Level Sensor Circuit Signal Too High | Wiring, fuel level sensor, ECM |
| P1420 | Secondary air injection (AIR) valve/solenoid - circuit malfunction | Wiring, AIR solenoid |
| P1421 | Secondary air injection (AIR) valve/solenoid - short to ground | Wiring short to ground, AIR valve/ solenoid |
| P1422 | Secondary air injection (AIR) valve/solenoid - short to positive | Wiring short to positive, AIR valve/ solenoid |
| P1423 | Secondary air injection (AIR) system, Bank 1 - insufficient flow detected | Hose connection(s), AIR valve/solenoid |
| P1424 | Secondary air injection (AIR) system, Bank 1 - leak detected | AIR valve, exhaust leak |
| P1425 | Evaporative emission (EVAP) canister purge valve - short to ground | Wiring short to ground, EVAP canister purge valve |
| P1426 | Evaporative emission (EVAP) canister purge valve - open circuit | Wiring open circuit, EVAP canister purge valve |
| P1427 | Vacuum pump, brakes - short to positive | Wiring short to positive, vacuum pump |
| P1428 | Vacuum pump, brakes - short to ground | Wiring short to ground, vacuum pump |
| P1429 | Vacuum pump, brakes - open circuit | Wiring open circuit, vacuum pump |
| P1430 | Vacuum pump, brakes - open circuit/ short to positive | Wiring open circuit/short to positive, vacuum pump |
| P1431 | Vacuum pump, brakes - open circuit/ short to ground | Wiring open circuit/short to ground, vacuum pump |
| P1432 | Secondary air injection (AIR) valve/solenoid - open circuit | Wiring open circuit, fuse, AIR valve/ solenoid |
| P1433 | Secondary air injection (AIR) pump relay - open circuit | Wiring open circuit, fuse, AIR pump relay |
| P1434 | Secondary air injection (AIR) pump relay - short to positive | Wiring short to positive, AIR pump relay |
| P1435 | Secondary air injection (AIR) pump relay - short to ground | Wiring short to ground, AIR pump relay |
| P1436 | Secondary air injection (AIR) pump relay - circuit malfunction | Wiring, AIR pump relay |
| P1437 | Exhaust gas recirculation (EGR) valve/solenoid, Bank 2 - short to positive | Wiring short to positive, EGR valve/ solenoid |
| P1438 | Exhaust gas recirculation (EGR) valve/solenoid, Bank 2 - open circuit/short to ground | Wiring open circuit/short to ground, EGR valve/solenoid |
| P1439 | Exhaust gas recirculation (EGR) valve position sensor - basic setting | Basic setting not carried out, EGR system |
| P1440 | Exhaust gas recirculation (EGR) valve - open circuit | Wiring open circuit, EGR valve |
| P1441 | Exhaust gas recirculation (EGR) valve/solenoid, Bank 1 - open circuit/short to ground | Wiring open circuit/short to ground, EGR solenoid |
| P1442 | Exhaust gas recirculation (EGR) valve position sensor - high input | Wiring short to positive, EGR valve position sensor |
| P1443 | Exhaust gas recirculation (EGR) valve position sensor - low input | Wiring short to ground, EGR valve position sensor |
| P1444 | Exhaust gas recirculation (EGR) valve position sensor - range/performance problem | Wiring, EGR valve position sensor |
| P1445 | Catalyst Temperature Sensor 2 Circuit Range/Performance | Wiring, temperature sensor, ECM |
| P1446 | Catalyst Temperature Circuit Short To Ground | Wiring short to ground, temperature sensor, ECM |
| P1447 | Catalyst Temperature Circuit Open/Short to B+ | Wiring short to positive, temperature sensor, ECM |
| P1448 | Catalyst Temperature Sensor 2 Circuit Short to Ground | Wiring short to ground, temperature sensor, ECM |
| P1449 | Catalyst Temperature Sensor 2 Circuit Open/Short to B+ | Wiring open/short to positive, temperature sensor, ECM |
| P1450 | Secondary air injection (AIR) system - short to positive | Wiring short to positive, AIR relay |
| P1451 | Secondary air injection (AIR) system - short to ground | Wiring short to ground, AIR relay |
| P1452 | Secondary air injection (AIR) system - open circuit | Wiring open circuit, AIR relay |
| P1453 | Exhaust gas recirculation temperature (EGRT) sensor 1/Bank 1 - open circuit/short to positive | Wiring open circuit/short to positive, EGRT sensor |
| P1454 | Exhaust gas recirculation temperature (EGRT) sensor 1/Bank 1 - short to ground | Wiring short to ground, EGRT sensor |
| P1455 | Exhaust gas recirculation temperature (EGRT) sensor 1/Bank 1 - range/performance problem | Exhaust leak, wiring, EGRT sensor |
| P1456 | Exhaust gas recirculation temperature (EGRT) control, Bank 1 - control limit reached | EGRT sensor |
| P1457 | Exhaust gas recirculation temperature (EGRT) sensor 2/Bank 2 - open circuit/short to positive | Wiring open circuit/short to positive, EGRT sensor |
| P1458 | Exhaust gas recirculation temperature (EGRT) sensor 2/Bank 2 - short to ground | Wiring short to ground, EGRT sensor |
| P1459 | Exhaust gas recirculation temperature (EGRT) sensor 2/Bank 2 - range/performance problem | Exhaust leak, wiring, EGRT sensor |
| P1460 | Exhaust gas recirculation temperature (EGRT) control, Bank 2 - control limit reached | EGRT sensor |
| P1461 | Exhaust gas recirculation temperature (EGRT) control, Bank 1 - range/performance problem | Exhaust leak/blockage, EGRT sensor |
| P1462 | Exhaust gas recirculation temperature (EGRT) control, Bank 2 - range/performance problem | Exhaust leak/blockage, EGRT sensor |
| P1465 | Additive Pump Short Circuit to B+ | Wiring short to positive, fuel additive pump, ECM |
| P1466 | Additive Pump Open/Short to Ground | Wiring open/short to ground, fuel additive pump, ECM |
| P1467 | EVAP Canister Purge Solenoid Valve Short Circuit to B+ | Wiring short to positive, EVAP canister purge valve |
| P1468 | EVAP Canister Purge Solenoid Valve Short Circuit to Ground | Wiring short to ground, EVAP canister purge valve |
| P1469 | EVAP Canister Purge Solenoid Valve Open Circuit | Wiring open circuit, EVAP canister purge valve |
| P1470 | EVAP Control System LDP Circuit Electrical Malfunction | Wiring, EVAP leak detection pump |
| P1471 | EVAP Control System LDP Circuit Short to Positive | Wiring short to positive, EVAP leak detection pump |
| P1472 | EVAP Control System LDP Circuit Short To Ground | Wiring short to ground, EVAP leak detection pump |
| P1473 | EVAP Control System LDP Open Circuit | Wiring, EVAP purge valve, ECM |
| P1474 | EVAP Canister Purge Solenoid Valve Electrical Malfunction | Wiring, hose leak/blockage, EVAP canister purge valve, EVAP canister, EVAP leak detection pump |
| P1475 | EVAP Control System LDP Malfunction/Signal Circuit Open | Wiring, EVAP canister purge valve, EVAP leak detection pump, ECM |
| P1476 | EVAP Control System LDP Malfunction/Insufficient Vacuum | System leak, hose blockage, EVAP canister, EVAP leak detection pump |
| P1477 | EVAP Control System LDP Malfunction | Wiring, hose leak/blockage, EVAP canister purge valve, EVAP canister, EVAP leak detection pump |
| P1478 | EVAP Control System LDP Clamped Tube Detected | Hose blockage |
| P1479 | Vacuum system, brakes - mechanical fault | Vacuum pump |
| P1482 | Secondary Air Injection Pump Relay 2 Short To B+ | Wiring, AIR pump relay |
| P1483 | Secondary Air Injection Pump Relay 2 Short To Ground | Wiring, AIR pump relay |
| P1484 | Secondary Air Injection Pump Relay 2 Electrical Circuit Malfunction | Wiring, AIR pump relay, ECM |
| P1489 | EVAP Canister Purge Regulator Valve 2 Short To B+ | Wiring, EVAP canister purge valve, ECM |
| P1490 | EVAP Canister Purge Regulator Valve 2 Short To Ground | Wiring, EVAP canister purge valve, ECM |
| P1491 | EVAP Canister Purge Regulator Valve 2 Open Circuit | Wiring, EVAP canister purge valve, ECM |
| P1493 | Low Pressure Pump For Brake Power Too Low | |
| P1494 | EVAP canister purge valve 2 – incorrect flow detected | Wiring, hoses blocked/disconnected/ split, EVAP canister purge valve, ECM |
| P1497 | Secondary Air System Bank 3 Flow Fault | AIR pump relay, AIR switching valve, AIR solenoid(s), AIR pump(s), ECM | P1500 – P1599 (Vehicle or idle speed control) |
| P1500 | Fuel pump relay - circuit malfunction | Wiring, fuel pump relay |
| P1501 | Fuel pump relay - short to ground | Wiring short to ground, fuel pump relay |
| P1502 | Fuel pump relay - short to positive | Wiring short to positive, fuel pump relay |
| P1503 | Alternator load signal | Wiring, alternator |
| P1504 | Intake system - leak detected | Intake leak, EGR system, EVAP system, hose connection(s), throttle control unit |
| P1505 | Closed throttle position (CTP) switch - does not close | Throttle cable/valve, wiring open circuit/ short to positive, CTP switch adjustment/defective, ECM |
| P1506 | Closed throttle position (CTP) switch - does not open | Moisture ingress, wiring short to ground, CTP switch adjustment/defective, ECM |
| P1507 | Idle speed control (ISC) - lower limit reached | Throttle control unit/basic setting, intake/exhaust leak, mechanical fault, AC signals |
| P1508 | Idle speed control (ISC) - upper limit reached | Throttle control unit/basic setting, intake/exhaust leak, mechanical fault, AC signals |
| P1509 | Idle air control (IAC) valve - circuit malfunction | Wiring, IAC valve |
| P1510 | Idle air control (IAC) valve - short to positive | Wiring open circuit/short to positive, IAC valve |
| P1511 | Intake manifold air control solenoid 1 - current circuit | Wiring, intake manifold air control solenoid |
| P1512 | Intake manifold air control solenoid 1 - short to positive | Wiring short to positive, intake manifold air control solenoid |
| P1513 | Intake manifold air control solenoid 2 - short to positive | Wiring short to positive, intake manifold air control solenoid |
| P1514 | Intake manifold air control solenoid 2 - short to ground | Wiring short to ground, intake manifold air control solenoid |
| P1515 | Intake manifold air control solenoid 1 - short to ground | Wiring short to ground, intake manifold air control solenoid |
| P1516 | Intake manifold air control solenoid 1 - open circuit | Wiring open circuit, intake manifold air control solenoid |
| P1517 | Engine control relay - circuit malfunction | Wiring, engine control relay |
| P1518 | Engine control relay - short to positive | Wiring short to positive, engine control relay |
| P1519 | Camshaft position (CMP) control, Bank 1 - malfunction | Cylinder head oil pressure too low, CMP actuator sticking/defective |
| P1520 | Intake manifold air control solenoid 2 - open circuit | Wiring open circuit, intake manifold air control solenoid |
| P1521 | Intake Manifold Changeover Valve 2 Circuit Electrical Malfunction | Wiring, intake manifold air control solenoid |
| P1522 | Camshaft position (CMP) control, Bank 2 - malfunction | Cylinder head oil pressure too low, CMP actuator sticking/defective |
| P1523 | SRS crash signal received | Airbag triggered |
| P1524 | Fuel pump relay - open circuit/short to ground | Wiring open circuit/short to ground, fuel pump relay |
| P1525 | Camshaft position (CMP) actuator, Bank 1 - circuit malfunction | Wiring, CMP actuator |
| P1526 | Camshaft position (CMP) actuator, Bank 1 - short to positive | Wiring short to positive, CMP actuator |
| P1527 | Camshaft position (CMP) actuator, Bank 1 - short to ground | Wiring short to ground, CMP actuator |
| P1528 | Camshaft position (CMP) actuator, Bank 1 - open circuit | Wiring open circuit, CMP actuator |
| P1529 | Camshaft position (CMP) actuator - short to positive | Wiring short to positive, CMP actuator |
| P1530 | Camshaft position (CMP) actuator - short to ground | Wiring short to ground, CMP actuator |
| P1531 | Camshaft position (CMP) actuator - open circuit | Wiring open circuit, CMP actuator |
| P1532 | Idle control - lean running speed below specification | Throttle control unit |
| P1533 | Camshaft position (CMP) actuator, Bank 2 - circuit malfunction | Wiring, CMP actuator |
| P1534 | Camshaft position (CMP) actuator, Bank 2 - short to positive | Wiring short to positive, CMP actuator |
| P1535 | Camshaft position (CMP) actuator, Bank 2 - short to ground | Wiring short to ground, CMP actuator |
| P1536 | Camshaft position (CMP) actuator, Bank 2 - open circuit | Wiring open circuit, CMP actuator |
| P1537 | Fuel shut-off solenoid - malfunction | Fuel shut-off solenoid (leaking/sticking) |
| P1538 | Fuel shut-off solenoid - open circuit/short to ground | Wiring open circuit/short to ground, fuel shut-off solenoid |
| P1539 | Clutch pedal position (CPP) switch - range/performance problem | Wiring, CPP switch |
| P1540 | Vehicle speed signal - high input | Excessive vehicle speed, instrument panel defective |
| P1541 | Fuel pump relay - open circuit | Wiring open circuit, fuel pump relay |
| P1542 | Throttle motor position sensor 1 - range/performance problem | Throttle valve requires cleaning, wiring, throttle motor position sensor |
| P1543 | Throttle motor position sensor 1 - low input | Wiring short to ground, throttle motor position sensor |
| P1544 | Throttle motor position sensor 1 - high input | Wiring short to positive, throttle motor position sensor |
| P1545 | Throttle valve control - malfunction | Throttle valve tight/sticking, wiring, throttle control unit |
| P1546 | Turbocharger (TC) wastegate regulating valve - short to positive | Wiring short to positive, TC wastegate regulating valve |
| P1547 | Turbocharger (TC) wastegate regulating valve - short to ground | Wiring short to ground, TC wastegate regulating valve |
| P1548 | Turbocharger (TC) wastegate regulating valve - open circuit | Wiring open circuit, TC wastegate regulating valve |
| P1549 | Turbocharger (TC) wastegate regulating valve - open circuit/short to ground | Wiring open circuit/short to ground, TC wastegate regulating valve |
| P1550 | Turbocharger (TC) pressure - control difference | Intake/exhaust leak, hoses interchanged/ not connected, MAP sensor, TC wastegate regulating valve, turbocharger (TC) wastegate actuator, TC |
| P1551 | Barometric Pressure Sensor Circuit Short to B+ | Wiring, BARO sensor |
| P1552 | Barometric Pressure Sensor Circuit Open/Short to Ground | Wiring, BARO sensor |
| P1553 | Manifold absolute pressure (MAP) sensor/ barometric pressure (BARO) sensor - range/performance problem | Intake/exhaust leak, EGR system, EVAP canister purge valve, throttle control unit, wiring, MAP sensor, BARO sensor |
| P1554 | Throttle control unit - basic setting conditions | Basic setting conditions not met |
| P1555 | Turbocharger (TC) pressure - upper limit exceeded | Hoses interchanged/not connected, TC wastegate regulating valve, turbocharger (TC) wastegate actuator, TC |
| P1556 | Turbocharger (TC) pressure - control limit not reached | TC wastegate regulating valve, intake leak, TC defective |
| P1557 | Turbocharger (TC) pressure - control limit exceeded | Hose connection interchanged/not connected |
| P1558 | Idle speed control (ISC) actuator/throttle motor - circuit malfunction | Wiring, ISC actuator/throttle motor |
| P1559 | Throttle control unit - basic setting malfunction | Accelerator pedal or starter motor operated during basic setting |
| P1560 | Maximum engine RPM exceeded | Incorrect gear shift, wiring open circuit, CKP/RPM sensor |
| P1561 | Fuel quantity adjuster - control difference | Wiring, fuel injection pump |
| P1562 | Fuel quantity adjuster - upper stop value | Fuel quantity adjuster blocked/defective, stop value reached |
| P1563 | Fuel quantity adjuster - lower stop value | Fuel quantity adjuster blocked/defective, lower stop value reached |
| P1564 | Throttle control unit - voltage low during basic setting | Battery, wiring |
| P1565 | Throttle control unit - lower stop not reached | Throttle valve tight/sticking, ISC actuator |
| P1566 | AC compressor, load signal - implausible signal | Wiring, AC system |
| P1567 | Load Signal from A/C Compressor No Signal | Wiring, AC system |
| P1568 | Throttle control unit - mechanical fault | Throttle valve tight/sticking |
| P1569 | Cruise control master switch | Wiring, cruise control master switch |
| P1570 | Engine control module (ECM) - immobilizer active | Incorrect/damaged key, incorrectly coded, ECM/immobilizer replacement without coding, wiring, immobilizer defective |
| P1571 | Engine mounting control solenoid, Bank 2 - short to positive | Wiring short to positive, engine mounting control solenoid |
| P1572 | Engine mounting control solenoid, Bank 2 - short to ground | Wiring short to ground, engine mounting control solenoid |
| P1573 | Engine mounting control solenoid, Bank 2 - open circuit | Wiring open circuit, engine mounting control solenoid |
| P1575 | Engine mounting control solenoid, Bank 1 - short to positive | Wiring short to positive, engine mounting control solenoid |
| P1576 | Engine mounting control solenoid, Bank 1 - short to ground | Wiring short to ground, engine mounting control solenoid |
| P1577 | Engine mounting control solenoid, Bank 1 - open circuit | Wiring open circuit, engine mounting control solenoid |
| P1579 | Throttle control unit - basic setting | Basic setting not carried out |
| P1580 | Throttle motor, Bank 1 - circuit malfunction | Wiring, throttle motor |
| P1581 | Throttle control unit - basic setting | Basic setting not carried out |
| P1582 | Idle speed adaptation - limit reached | Intake/exhaust leak, AIR system, fuel pressure/pump, injector(s), EVAP canister purge valve |
| P1586 | Engine mounting control solenoid, Bank 1 & 2 - short to positive | Wiring short to positive, engine mounting control solenoid |
| P1589 | AC/heater air temperature control switch - short to ground | Wiring short to ground, AC/heater air temperature control switch |
| P1590 | AC/heater air temperature control switch - open circuit | Wiring open circuit, AC/heater air temperature control switch |
| P1592 | Barometric pressure (BARO) sensor/manifold absolute pressure (MAP) sensor - implausible ratio | TC system, MAP sensor |
| P1593 | Altitude adoption - signal outside tolerance | Intake leak, MAF sensor, throttle control unit |
| P1599 | Idle control - lean running speed above specification | IAC valve | P1600 – P1699 (ECM – computer output circuit) |
| P1600 | Engine control module (ECM) - supply voltage low from ignition switch | Battery, alternator, wiring open circuit |
| P1601 | Engine control module (ECM) - supply voltage | Wiring, engine control relay |
| P1602 | Engine control module (ECM) - supply voltage low from battery | Battery was disconnected, battery discharged, alternator, wiring open circuit, fuse |
| P1603 | Engine control module (ECM) - defective | ECM |
| P1604 | Engine control module (ECM) - defective | ECM |
| P1606 | Rough road signal - circuit malfunction | ABS control module trouble code(s) stored, CAN data bus |
| P1608 | Power steering pressure (PSP) switch - circuit malfunction | Wiring, PSP switch |
| P1609 | Engine control module (ECM) - crash switch-off triggered | Airbag triggered |
| P1610 | Engine control module (ECM) - defective | ECM |
| P1611 | Malfunction indicator lamp (MIL) - short to ground | Wiring short to ground |
| P1612 | Engine control module (ECM) - coding | Incorrectly coded |
| P1613 | Malfunction indicator lamp (MIL) - open circuit/short to positive | Wiring open circuit/short to positive |
| P1615 | Engine oil temperature (EOT) sensor - range/performance problem | Engine oil level, wiring, EOT sensor |
| P1616 | Glow plug warning lamp - short to positive | Wiring short to positive |
| P1617 | Glow plug warning lamp - open circuit/short to ground | Bulb, wiring open circuit/short to ground |
| P1618 | Glow plug relay - short to positive | Wiring short to positive, glow plug relay |
| P1619 | Glow plug relay - open circuit/short to ground | Wiring open circuit/short to ground, glow plug relay |
| P1620 | Instrument panel, ECT signal - open circuit/short to positive | Wiring open circuit/short to positive, instrument panel |
| P1621 | Instrument panel, ECT signal - short to ground | Wiring short to ground, instrument panel |
| P1622 | Instrument panel, ECT signal - implausible signal | Wiring, instrument panel, ECT sensor |
| P1623 | CAN data bus - no signal | Trouble code(s) stored in other system(s), wiring, matching resistor in ECM |
| P1624 | Malfunction indicator lamp (MIL) - request signal active | Trouble code(s) stored in other system(s) |
| P1625 | CAN data bus, TCM - incorrect signal | TCM trouble code(s) stored, TCM incorrectly coded, wiring, matching resistor in ECM |
| P1626 | CAN data bus, TCM - no signal | TCM trouble code(s) stored, TCM incorrectly coded, wiring, matching resistor in ECM |
| P1629 | CAN data bus, cruise control - no signal | Cruise control trouble code(s) stored, wiring, matching resistor in ECM |
| P1630 | Accelerator pedal position (APP) sensor 1 - low input | Wiring short to ground, APP sensor |
| P1631 | Accelerator pedal position (APP) sensor 1 - high input | Wiring short to positive, APP sensor |
| P1632 | Accelerator pedal position (APP) sensor - supply voltage | Operating voltage too high/low, wiring |
| P1633 | Accelerator pedal position (APP) sensor 2 - low input | Wiring short to ground, APP sensor |
| P1634 | Accelerator pedal position (APP) sensor 2 - high input | Wiring short to positive, APP sensor |
| P1635 | CAN data bus, AC - no signal | AC control module trouble code(s) stored, wiring, matching resistor in ECM |
| P1636 | CAN data bus, SRS - no signal | SRS control module trouble code(s) stored, wiring, matching resistor in ECM |
| P1637 | CAN data bus, electronic CE - no signal | Trouble code(s) stored, wiring, matching resistor in ECM |
| P1639 | Accelerator pedal position (APP) sensor 1/2 - range/performance problem | Wiring, APP sensor |
| P1640 | Engine control module (ECM) - defective | ECM |
| P1642 | SRS control module - system malfunction | Trouble code(s) stored |
| P1645 | CAN data bus, 4WD - no signal | 4WD trouble code(s) stored, wiring, matching resistor in ECM |
| P1648 | CAN data bus - defective | Wiring, matching resistor in ECM |
| P1649 | CAN data bus, ABS - no signal | ABS control module trouble code(s) stored, wiring, matching resistor in ECM |
| P1650 | CAN data bus, instrumentation - no signal | Instrumentation control module trouble code(s) stored, wiring, matching resistor in ECM |
| P1652 | Transmission control module (TCM) - system malfunction | Trouble code(s) stored |
| P1653 | ABS control module - system malfunction | Trouble code(s) stored |
| P1654 | Instrumentation control module - system malfunction | Trouble code stored for engine oil level/ temperature sensor |
| P1656 | AC signal - short to ground | Wiring short to ground |
| P1657 | AC signal - short to positive | Wiring |
| P1658 | CAN data bus, cruise control - incorrect signal | Cruise control trouble code(s) stored, wiring, matching resistor in ECM |
| P1659 | Engine coolant blower motor, speed 1 - short to positive | Wiring short to positive, engine coolant blower motor |
| P1660 | Engine coolant blower motor, speed 1 - short to ground | Wiring short to ground, engine coolant blower motor |
| P1661 | Engine coolant blower motor, speed 2 - short to positive | Wiring short to positive, engine coolant blower motor |
| P1662 | Engine coolant blower motor, speed 2 - short to ground | Wiring short to ground, engine coolant blower motor |
| P1663 | Injector, activation - short to positive | Wiring short to positive, ECM |
| P1664 | Injector, activation - current circuit | Wiring open circuit/short to ground |
| P1665 | Injector - mechanical fault | Injector |
| P1666 | Injector 1 - current circuit | Wiring open circuit/short to ground |
| P1667 | Injector 2 - current circuit | Wiring open circuit/short to ground |
| P1668 | Injector 3 - current circuit | Wiring open circuit/short to ground |
| P1669 | Injector 4 - current circuit | Wiring open circuit/short to ground |
| P1672 | Engine coolant blower motor, speed 1 - open circuit/short to ground | Wiring open circuit/short to ground |
| P1674 | CAN data bus, instrumentation - incorrect signal | Wiring, instrumentation control module trouble code(s) stored, matching resistor in ECM |
| P1676 | ETS warning lamp - circuit malfunction | Instrumentation control module trouble code(s) stored, wiring, matching resistor in ECM |
| P1677 | ETS warning lamp - short to positive | Instrumentation control module trouble code(s) stored, wiring short to positive, matching resistor in ECM |
| P1678 | ETS warning lamp - short to ground | Instrumentation control module trouble code(s) stored, wiring short to ground, matching resistor in ECM |
| P1679 | ETS warning lamp - open circuit | Instrumentation control module trouble code(s) stored, wiring open circuit, matching resistor in ECM |
| P1680 | Limp-home mode - active | Throttle control unit, APP sensor |
| P1681 | Engine control module (ECM) - programming incomplete | ECM |
| P1682 | CAN data bus, ABS - implausible signal | ABS control module trouble code(s) stored, wiring, matching resistor in ECM |
| P1683 | CAN data bus, SRS - implausible signal | SRS control module trouble code(s) stored, wiring, matching resistor in ECM |
| P1690 | Malfunction indicator lamp (MIL) - circuit malfunction | Instrumentation control module trouble code(s) stored, wiring, matching resistor in ECM |
| P1691 | Malfunction indicator lamp (MIL) - open circuit | Instrumentation control module trouble code(s) stored, wiring open circuit, matching resistor in ECM |
| P1692 | Malfunction indicator lamp (MIL) - short to ground | Instrumentation control module trouble code(s) stored, wiring short to ground, matching resistor in ECM |
| P1693 | Malfunction indicator lamp (MIL) - short to positive | Instrumentation control module trouble code(s) stored, wiring short to positive, matching resistor in ECM |
| P1696 | CAN data bus, steering column electronics - incorrect signal | Wiring, matching resistor in ECM |
| P1698 | Check DTC Memory Of Steering Column ECU | Steering column control module trouble code(s) stored |
| P1699 | Engine control module (ECM) – programmed for cruise control | Erase cruise control program | P1700 – P1799 (Transmission) |
| P1740 | Clutch Temperature Monitoring | |
| P1745 | Solenoid valves, supply voltage – short to positive | Wiring open circuit/short to positive, poor connection, TCM |
| P1746 | TCM/solenoid valves, supply voltage – circuit malfunction | Wiring, battery, alternator |
| P1747 | Solenoid valves, supply voltage – open circuit/short to ground | Battery, wiring open circuit/short to ground, poor connection, TCM |
| P1748 | Transmission control module (TCM) – defective | TCM |
| P1750 | Transmission control module (TCM) – supply voltage low | Fuse, wiring, TCM |
| P1751 | Transmission control module (TCM) – supply voltage high | Wiring, alternator, battery(s) | P1800 – P1899 (Transmission) |
| P1851 | CAN data bus, ABS - incorrect signal | ABS trouble code(s) stored, wiring, matching resistor in ECM |
| P1853 | CAN data bus, ABS - incorrect signal | ABS trouble code(s) stored, wiring, matching resistor in ECM |
| P1854 | CAN data bus, ABS - defective | ABS trouble code(s) stored, wiring, matching resistor in ECM |
| P1857 | Load Signal Error Message From ECU | Vacuum leak, intake system – air leak | P1900 – P1999 (Transmission) |
| P1900 | Engine coolant blower motor, speed 2 - open circuit/short to ground | Wiring open circuit/short to ground, engine coolant blower motor |
| P1901 | Engine coolant blower motor run-on relay - short to positive | Wiring short to positive, engine coolant blower motor run-on relay |
| P1902 | Engine coolant blower motor run-on relay - open circuit/short to ground | Wiring open circuit/short to ground, engine coolant blower motor run-on relay |
| P1903 | Engine coolant hydraulic blower motor solenoid - short to positive | Wiring short to positive, engine coolant hydraulic blower motor solenoid |
| P1904 | Engine coolant hydraulic blower motor solenoid - open circuit/short to ground | Wiring open circuit/short to ground, engine coolant hydraulic blower motor solenoid |
| P1905 | Charge air coolant pump relay - short to positive | Wiring short to positive, charge air coolant pump relay |
| P1906 | Charge air coolant pump relay - open circuit/short to ground | Wiring open circuit/short to ground, charge air coolant pump relay |
| P1907 | Data bus, ECM 1/2 - defective | Wiring |
| P1908 | Data bus, ECM 1/2 - software version monitoring | Data in ECM 1 & ECM 2 does not match |
| P1909 | Data bus, ECM 1/2 - no signal from ECM 1 | Wiring, ECM 1 |
| P1910 | Data bus, ECM 1/2 - no signal from ECM 2 | Wiring, ECM 2 |
| P1911 | Data bus, ECM 1/2 - circuit malfunction | Wiring, ECM 1/2 |
| P1912 | Brake servo pressure sensor - open circuit/short to positive | Wiring open circuit/short to positive, brake servo pressure sensor |
| P1913 | Brake servo pressure sensor - short to ground | Wiring short to ground, brake servo pressure sensor |
| P1914 | Brake servo pressure sensor - range/performance problem | Vacuum leak, wiring, brake servo pressure sensor |
| P1920 | Engine mounting control solenoid, Bank 1 & 2 - open circuit/short to ground | Wiring open circuit/short to ground, engine mounting control solenoid |
| P1923 | Engine control module (ECM) 2 - malfunction | Trouble code(s) stored |
| P1951 | Radiator Fan 2 Movement Restricted / Jammed | |
| P1952 | Turbocharger Control Module 1 Defective | |
| P1953 | Turbocharger Control Module 2 Defective | |
| P1996 | Friction Too High Intake Camshaft Adjustment Bank 1 | Implausible signal, mechanical fault |
| P1997 | Friction Too High Exhaust Camshaft Adjustment Bank 1 | Implausible signal, mechanical fault |
| P1998 | Friction Too High Intake Camshaft Adjustment Bank 2 | Implausible signal, mechanical fault |
| P1999 | Friction Too High Exhaust Camshaft Adjustment Bank 2 | Implausible signal, mechanical fault |