| OBD-11 type | Fault location | Probable cause |
| PO,P2,UO | Refer to OBD-11 trouble code tables | – |
| P100A | Fuel pressure – too low | Fuel leak, fuel pump (FP), fuel pressure regulator control solenoid, injectors |
| P100B | Fuel pressure – too high | Fuel pump (FP), fuel pressure regulator control solenoid, injectors |
| P1016 | Fuel flow control valve – malfunction | Wiring, fuel flow control valve, ECM |
| P101F | Outside air temperature sensor, intake air temperature (IAT) sensor- correlation | Wiring, outside air temperature sensor, IAT
sensor |
| P102D | Camshaft position (CMP) actuator – mechanical fault | mechanical fault |
| P102E | Fuel rail pressure (FRP)/high-pressure fuel system – fuel pressure variation | Fuel pump (FP), fuel pressure regulator control solenoid |
| P103C | Camshaft position (CMP) actuator- over-temperature condition | CMP actuator mechanical fault |
| P103E | Camshaft position (CMP) actuator – over-temperature condition | CMP actuator mechanical fault |
| P104A | Camshaft position (CMP) actuator – low input | Wiring, CMP actuator, ECM |
| P104B | Camshaft position (CMP) actuator- high input | Wiring, CMP actuator, ECM |
| P104C | Camshaft position (CMP) actuator – open circuit | Wiring, CMP actuator, ECM |
| P1040 | Camshaft position (CMP) actuator – over-temperature condition | Wiring, CMP actuator, ECM |
| P105D | Intake air temperature (IAT) sensor- voltage too low | Wiring, IAT sensor, ECM |
| P1083 | Heated oxygen sensor (H02S) 1 – range/performance problem | Wiring, intake/exhaust leak, fuel level low, fuel pressure, evaporative emission (EVAP) canister purge valve, injector(s), H02S, ECM |
| P1084 | Heated oxygen sensor (H02S) 1 – range/performance problem | Wiring, intake/exhaust leak, fuel level low, fuel pressure, evaporative emission (EVAP) canister purge valve, injector(s), H02S, ECM |
| P1087 | Heated oxygen sensor (H02S) 1 – lean shift monitoring, slow response | Wiring, intake/exhaust leak, fuel level low, fuel pressure, evaporative emission (EVAP) canister purge valve, injector(s), H02S, ECM |
| P1088 | Heated oxygen sensor (H02S) 1 – rich shift monitoring, slow response | Wiring, intake/exhaust leak, fuel level low, fuel pressure, evaporative emission (EVAP) canister purge valve, injector(s), H02S, ECM |
| P1090 | Pre-catalytic converter fuel trim (FT) – incorrect value | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, evaporative emission (EVAP) canister purge valve, ECM |
| P1092 | Pre-catalytic converter fuel trim (FT) – incorrect value | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, evaporative emission (EVAP) canister purge valve, ECM |
| P1095 | Heated oxygen sensor (H02S) 1 – insufficient switching | Wiring, H02S, ECM |
| P1097 | Heated oxygen sensor (H02S) 2 – mixture shift monitoring, slow response | Wiring, intake/exhaust leak, fuel level low, fuel pressure, evaporative emission (EVAP) canister purge valve, injector(s), H02S, ECM |
| P1098 | Heated oxygen sensor (H02S) 2 – mixture shift monitoring, slow response | Wiring, intake/exhaust leak, fuel level low, fuel pressure, evaporative emission (EVAP) canister purge valve, injector(s), H02S, ECM |
| P10A5 | Injectors – initialization error | Wiring, injectors, ECM |
| P10A6 | Injectors – open circuit | Wiring, injectors, ECM |
| P10A7 | Injectors – discharge error | Wiring, injectors, ECM |
| P10AA | Injectors – discharge error | Wiring, injectors, ECM |
| P1100 | Heated oxygen sensor (H02S) 1 – slow response after fuel cut-off | Wiring, H02S |
| P1101 | Heated oxygen sensor (H02S) 2 – slow response after fuel cut-off | Wiring, H02S |
| P1102 | Idle speed control (ISC) actuator- signal low | Wiring, connectors, ISC actuator, ECM |
| P1103 | Idle speed control (ISC) actuator- signal high | Wiring, connectors, ISC actuator, ECM |
| P1104 | Differential intake manifold pressure (DPF)
sensor – signal low | Intake leak, wiring, DPF sensor , ECM |
| P1105 | Differential intake manifold pressure (DPF)
sensor – signal high | Intake leak, wiring, DPF, ECM |
| P1106 | Manifold absolute pressure (MAP) sensor – signal too low at engine stop | Wiring short to ground, poor connection, MAP sensor supply voltage, MAP sensor |
| P1107 | Manifold absolute pressure (MAP) sensor – signal too low at idle | Wiring short to ground, poor connection, MAP sensor |
| P1108 | Manifold absolute pressure (MAP) sensor – signal at low engine RPM too low at full load | Wiring short to ground, MAP sensor |
| P1109 | Manifold absolute pressure (MAP) sensor – signal too high under deceleration | Throttle valve sticking, air leak |
| P110D | Throttle position (TP) sensor AlB – range/performance problem | Wiring, TP sensor, ECM |
| P110F | Outside air temperature sensor – CAN data bus malfunction | Wiring, outside air temperature sensor, ECM |
| P1111 | Engine coolant temperature (ECT) sensor, radiator outlet – malfunction | Wiring, connector(s), ECT sensor, ECM |
| P1112 | Engine coolant temperature (ECT) sensor, radiator outlet – malfunction | Wiring, connector(s), ECT sensor, ECM |
| P1115 | Outside air temperature sensor – circuit malfunction | Wiring, outside air temperature sensor, ECM |
| P1119 | Heated oxygen sensor (H02S) 1 – insufficient switching | Wiring, H02S, ECM |
| P111A | Mass air flow (MAF) sensor/volume air flow (VAF) sensor- heated oxygen sensor (H02S), correlation | Wiring, MAF sensor, VAF sensor, mechanical fault |
| P111B | Mass air flow (MAF) sensor/volume air flow (VAF) sensor- heated oxygen sensor (H02S), correlation | Wiring, MAF sensor, VAF sensor, mechanical fault |
| P111E | Intake air temperature (IAT) sensor 1 – maximum temperature incorrect | Wiring, IAT sensor, ECM |
| P111F | Intake air temperature (IAT) sensor 1 – minimum temperature incorrect | Wiring, IAT sensor, ECM |
| P1120 | Accelerator pedal position (APP) sensor – circuit malfunction | Wiring, APP sensor, ECM |
| P1121 | Accelerator pedal position (APP) sensor 1 – circuit malfunction | Wiring, APP sensor, ECM |
| P1122 | Accelerator pedal position (APP) sensor 1 – low input | Wiring short to ground, APP sensor |
| P1123 | Accelerator pedal position (APP) sensor 1 – high input | Wiring short to positive, APP sensor |
| P1124 | Differential intake manifold pressure (DPF)
sensor – circuit offset | Wiring, DPF, ECM |
| P1125 | Throttle motor position sensor, AlB – small range/performance problem | Wiring, throttle motor position sensor |
| P1126 | Throttle motor position· sensor, AlB – large range/performance problem | Wiring, throttle motor position sensor |
| P1127 | Engine oil level sensor – implausible signal | Wiring, engine oil level sensor, mechanical fault |
| P1128 | Engine oil level sensor – signal malfunction | Wiring, engine oil level sensor, mechanical fault |
| P1129 | Engine oil level sensor – low oil level | Wiring, engine oil level sensor, mechanical fault |
| P112A | Engine coolant temperature (ECT) sensor 1 – maximum temperature incorrect | Wiring, ECT sensor |
| P1128 | Engine coolant temperature (ECT) sensor 1 – minimum temperature incorrect | Wiring, ECT sensor |
| P112C | Heated oxygen sensor (H02S) 1 – circuit malfunction | Wiring, H02S, ECM |
| P112E | Intake manifold pressure/throttle angle -signal correlation, low | Wiring, mechanical fault, MAP sensor, TP
sensor, ECM |
| P112F | Intake manifold pressure/throttle angle – signal correlation, high | Wiring, mechanical fault, MAP sensor, TP
sensor, ECM |
| P1130 | Heated oxygen sensor (H02S) 2 – dynamic test malfunction | Wiring, H02S, ECM |
| P1132 | Heated oxygen sensor (H02S) 1 -heater circuit malfunction | Wiring, H02S, ECM |
| P1134 | Heated oxygen sensor (H02S) 1 – signal malfunction | Wiring, H025, ECM |
| P1135 | Heated oxygen sensor (H02S) 1 -low voltage | Wiring, H02S, ECM |
| P1136 | Heated oxygen sensor (H02S) 1 – high voltage | Wiring, H02S, ECM |
| P1137 | Heated oxygen sensor (H02S) 2 – signal malfunction | Wiring, H02S, ECM |
| P1138 | Heated oxygen sensor (H02S) 2 -low voltage | Wiring, H025, ECM |
| P1139 | Heated oxygen sensor (H02S) 2 – high voltage | Wiring, H025, ECM |
| P113A | Mass air flow (MAF) sensor/volume air flow
(VAF) sensor 1 – signal malfunction | Wiring, MAF sensor, VAF sensor, ECM |
| P1138 | Mass air flow (MAF) sensor/volume air flow
(VAF) sensor 1 – signal malfunction | Wiring, MAF sensor, VAF sensor, ECM |
| P113C | Intake air temperature (IAT) sensor 2 – implausible signal | Wiring, IAT sensor, ECM |
| P113D | Intake air temperature (IAT) sensor 2 – circuit malfunction | Wiring, IAT sensor, ECM |
| P113F | Engine coolant temperature (ECT) sensor 1 – circuit malfunction | Wiring, ECT sensor, ECM |
| P1140 | Mass air flow (MAF) sensor/throttle position
(TP) sensor communication – plausibility | Wiring, MAF sensor, TP sensor, ECM |
| P1141 | Throttle position (TP) sensor 2/mass air flow
(MAF) sensor – plausibility | Wiring, TP sensor, MAF sensor, ECM |
| P1142 | Throttle position (TP) sensor 1/mass air flow
(MAF) sensor – plausibility | Wiring, TP sensor, MAF sensor, ECM |
| P1143 | Heated oxygen sensor (H02S) 2 – signal too high | Wiring short to positive, catalytic converter, fuel pressure high, H02S |
| P1144 | Heated oxygen sensor (H02S) 2 – signal too low | Wiring short to ground, poor connection, exhaust leak, fuel pressure low, H02S |
| P114A | Post catalytic converter fuel trim (FT) – incorrect value | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, EVAP canister purge valve, ECM |
| P114B | Post catalytic converter fuel trim (FT) – incorrect value | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, EVAP canister purge valve, ECM |
| P1158 | Fuel trim (FT) – range/performance problem | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, EVAP canister purge valve, ECM |
| P1159 | Fuel trim (FT)- range/performance problem | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, EVAP canister purge valve, ECM |
| P115A | Mass air flow (MAF) sensor/volume air flow
(VAF) sensor A- incorrect signal | Wiring, connector(s), MAF sensor, VAF
sensor |
| P1158 | Mass air flow (MAF) sensor/volume air flow
(VAF) sensor A- incorrect signal | Wiring, corinector(s), MAF sensor, VAF
sensor |
| P115C | Mass air flow (MAF) sensor/volume air flow
| Wiring, connector(s), MAF sensor, VAF
|
| (VAF) sensor A – incorrect signal | sensor |
| P115D | Mass air flow (MAF) sensor/volume air flow
(VAF) sensor A – incorrect signal | Wiring, connector(s), MAF sensor, VAF
sensor |
| P115E | Intake air temperature (IAT) sensor 1 – implausible signal | Wiring, IAT sensor, ECM |
| P115F | Throttle position (TP) sensor NB – correlation | Wiring, TP sensor, ECM |
| P1161 | Fuel trim (FT) – range/performance problem | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, EVAP canister purge valve, ECM |
| P1166 | Heated oxygen sensor (H02S) – signals transposed | Wiring, H02S |
| P1167 | Heated oxygen sensor (H02S) 1 – signal too high | Wiring, connector, H02S |
| P1168 | Post catalytic converter fuel trim (FT) – incorrect value | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, EVAP canister purge valve, ECM |
| P116A | Mass air flow (MAF) sensor/volume air flow
(VAF) sensor B – incorrect signal | Wiring, connector(s}, MAF sensor, VAF
sensor |
| P116B | Mass air flow (MAF) sensor/volume air flow
(VAF) sensor B- incorrect signal | Wiring, connector(s), MAF sensor, VAF
sensor |
| P116C | Mass air flow (MAF) sensor – range/performance problem | Wiring, connector, MAF sensor, ECM |
| P116D | Mass air flow (MAF) sensor – signal malfunction | Wiring, connector, MAF sensor, ECM |
| P116E | Mass air flow (MAF) sensor – signal malfunction | Wiring, connector, MAF sensor, ECM |
| P1171 | Barometric pressure (BARO) sensor- adaptive learning | Wiring, BARO sensor, ECM |
| P1172 | Barometric pressure (BARO) sensor- adaptive learning | Wiring, BARO sensor, ECM |
| P1173 | Barometric pressure (BARO) sensor- adaptive learning | Learning procedure not performed |
| P1174 | Fuel trim (FT) – range/performance problem | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, EVAP canister purge valve, ECM |
| P1176 | Heated oxygen sensor (H02S) 1 – slow response | Wiring, H02S |
| P1178 | Heated oxygen sensor (H02S) 1 – insufficient switching | Wiring, H02S, ECM |
| P1180 | Heated oxygen sensor (H02S) 2 – slow response | Wiring, H02S |
| P1184 | Heated oxygen sensor (H02S) 1 – no activity detected | Wiring, H02S |
| P1185 | Heated oxygen sensor (H02S) 1 – no activity detected | Wiring, H02S |
| P1186 | Heated oxygen sensor (H02S) 2 – heater circuit malfunction | Wiring, connector, fuel pump (FP) relay, H02S |
| P1188 | Fuel trim (FT) – range/performance problem | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, EVAP canister purge valve, ECM |
| P1190 | Pre-catalytic converter fuel trim (FT) – incorrect value | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, EVAP canister purge valve, ECM |
| P1192 | Pre-catalytic converter fuel trim ,(FT) – incorrect value | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, EVAP canister purge valve, ECM |
| P1197 | Differential intake manifold pressure (DPF)
sensor – high input | Wiring, DPF, ECM |
| P1198 | Differential intake manifold pressure (DPF)
sensor – low input | Wiring, DPF, ECM |
| P1199 | Differential intake manifold pressure (DPF)
sensor – implausible signal | Wiring, DPF, ECM |
| P119A | Manifold absolute pressure (MAP) sensor- high input | Wiring, MAP sensor |
| P119B | Manifold absolute pressure (MAP) sensor – low input | Wiring, MAP sensor, mechanical fault |
| P119D | Fuel trim (FT) – adaptation value too high | Wiring, connectors, intake/fuel system, injectors, H02S, ECM |
| P11AO | Heated oxygen sensor (H02S) 1 – slow response after fuel cut-off | Wiring, H02S |
| P11A1 | Throttle position (TP) sensor – high input | Wiring, TP sensor, ECM |
| P11A2 | Throttle position (TP) sensor – low input | Wiring, TP sensor, ECM |
| P11A5 | Throttle position (TP) sensor – high input | Wiring, TP sensor, ECM |
| P11A6 | Throttle position (TP) sensor – low input | Wiring, TP sensor, ECM |
| P1200 | Fuel trim (FT) upper adaptation – range/performance problem | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, EVAP canister purge valve, ECM |
| P1201 | Fuel trim (FT) upper adaptation – range/performance problem | Wiring, connectors, intake/fuel system, injectors, H02S, MAF sensor, ECT sensor, EVAP canister purge valve, ECM |
| P1204 | Heated oxygen sensor (H02S) 2 – circuit malfunction | Wiring, H02S |
| P1208 | Brake servo vacuum pump – open circuit | Wiring, connector(s), brake servo vacuum pump, ECM |
| P1209 | Brake servo vacuum pump – implausible signal | Wiring, connector(s), brake servo vacuum pump |
| P120A | PCV system diagnostic valve – high input | Wiring short to positive, connections, ECM |
| P120B | PCV system diagnostic valve – low input | Wiring short to ground, connections, ECM |
| P120C | PCV system diagnostic valve – open circuit | Wiring, connections, ECM |
| P120D | PCV hose, bank 1 – defective/disconnected | Leak in PCV system |
| P120E | Brake servo vacuum pump – circuit high | Wiring, connector(s), brake servo vacuum pump, ECM |
| P120F | Brake servo vacuum pump – circuit low | Wiring, connector(s), brake servo vacuum pump, ECM |
| P1216 | Fuel pump (FP) – in emergency mode | Wiring, fuel pump (FP), ECM |
| P121C | Nitrogen oxides (NOx) sensor- circuit malfunction | Wiring, NOx sensor, ECM |
| P1221 | Accelerator pedal position (APP) sensor 2 – range/performance problem | Wiring, APP sensor, ECM |
| P1222 | Accelerator pedal position (APP) sensor, track 2 – low input | Wiring short to ground, APP sensor |
| P1223 | Accelerator pedal position (APP) sensor, track 2 – high input | Wiring short to positive, APP sensor |
| P1224 | Accelerator pedal position (APP) sensor – range/performance problem | Wiring, APP sensor |
| P1226 | Electronic throttle system (ETS) – malfunction | Throttle valve tight/sticking, ETS |
| P1229 | Throttle motor position sensor – adaptation failure | ETS |
| P122E | Nitrogen oxides (NOx) sensor – open circuit | Wiring, NOx sensor, ECM |
| P122F | Nitrogen oxides (NOx) sensor – short circuit | Wiring, NOx sensor, ECM |
| P1234 | Fuel pump (FP) relay, primary circuit – signal low | Wiring open circuit/short to ground, fuel pump relay |
| P1236 | Fuel pump (FP) relay, primary circuit – signal high | Wiring short to positive, fuel pump relay |
| P1237 | Manifold absolute pressure (MAP) sensor 2 – low input | Wiring short to ground, MAP sensor |
| P1238 | Manifold absolute pressure (MAP) sensor 2 – high input | Wiring short to positive, MAP sensor |
| P1239 | Manifold absolute pressure (MAP) sensor 2 – signal too low at engine stop | Wiring short to ground, poor connection, sensor supply, MAP sensor |
| P1240 | Manifold absolute pressure (MAP) sensor 2 – signal too low at idle | Wiring short to ground, poor connection, MAP sensor |
| P1241 | Manifold absolute pressure (MAP) sensor 2 – signal at low engine RPM too low at full load | Wiring short to ground, MAP sensor |
| P1242 | Manifold absolute pressure (MAP) sensor 2 – pressure too high under deceleration | Throttle valve sticking, air leak |
| P1247 | Barometric pressure – signal malfunction | Wiring, ECM |
| P1249 | Fuel pressure regulator control solenoid – open circuit | Wiring, fuel pressure regulator control solenoid, ECM |
| P124C | Nitrogen oxides (NOx) sensor- no signal on starting | Wiring, NOx sensor |
| P124D | Nitrogen oxides (NOx) sensor- no signal | Wiring, NOx sensor |
| P1250 | Manifold absolute pressure too high | Wiring, MAP sensor, ECM |
| P1255 | Manifold absolute pressure too low | Intake/exhaust leak, hose connections, wiring, MAP sensor |
| P1258 | Nitrogen oxides (NOx) sensor- heater output too low | Wiring, NOx sensor, ECM |
| P125C | Nitrogen oxides (NOx) sensor- heater supply voltage | Wiring, supply voltage circuit malfunction |
| P126E | Nitrogen oxides (NOx) sensor- incorrect signal | Wiring, NOx sensor |
| P1280 | Air assisted injector system – circuit malfunction | Wiring, air assisted injector, ECM |
| P1283 | Air assisted injector air control valve – circuit malfunction | Wiring, air assisted injector, ECM |
| P128E | Nitrogen oxides (NOx) sensor – circuit malfunction | Wiring, NOx sensor |
| P129B | Manifold absolute pressure (MAP) sensor – range/performance problem | Wiring, MAP sensor, ECM |
| P129D | Intake manifold pressure – maximum pressure incorrect | Hose connection(s), wiring, MAP sensor |
| P129E | Intake manifold pressure – minimum pressure incorrect | Hose connection(s), wiring, MAP sensor |
| P1300 | Camshaft position (CMP) sensor A – timing error | Wiring, poor connection, CMP sensor, ECM |
| P1301 | Ignition system diagnostic monitor, cylinder 1 – duration too short | Wiring, connections, spark plug, ignition coil,fuel system, injector, ECT sensor, MAF sensor, ECM |
| P1302 | Ignition system diagnostic monitor, cylinder 2 – duration too short | Wiring, connections, spark plug, ignition coil, fuel system, injector, ECT sensor, MAF sensor, ECM |
| P1303 | Ignition system diagnostic monitor, cylinder 3 – duration too short | Wiring, connections, spark plug, ignition coil, fuel system, injector, ECT sensor, MAF sensor, ECM |
| P1304 | Ignition system diagnostic monitor, cylinder 4 – duration too short | Wiring, connections, spark plug, ignition coil, fuel system, injector, ECT sensor, MAF sensor, ECM |
| P130A | Camshaft position (CMP) sensor B – timing error | Wiring, CMP sensor, ECM |
| P1313 | Camshaft position (CMP) actuator – implausible signal | Wiring, CMP actuator, mechanical fault, ECM |
| P1314 | Fuel trim (mixture) – deviation with low fuel level | Wiring, fuel level low, fuel pressure, intake/ exhaust leak, injector(s), H025, EVAP canister purge valve, ECT sensor, ECM |
| P1315 | Camshaft position (CMP) sensor A – signal malfunction | Wiring, CMP sensor, ECM |
| P1316 | Camshaft position (CMP) sensor A – signal malfunction | Wiring, CMP sensor, ECM |
| P1317 | Camshaft position (CMP) actuator B – range/performance problem | Wiring, CMP actuator |
| P1318 | Camshaft position (CMP) sensor B – signal malfunction | Wiring, CMP sensor, ECM |
| P1319 | Camshaft position (CMP) sensor B – signal malfunction | Wiring, CMP sensor, ECM |
| P1320 | Flywheel adaptation for misfire detection – range | – |
| P1321 | Flywheel adaptation for misfire detection – performance problem | – |
| P1326 | Camshaft position (CMP) sensor A – timing reference, out of range | Wiring, CMP sensor, ECM |
| P1327 | Knock sensor (KS) 2 – low input | Wiring, KS incorrectly tightened, KS |
| P1328 | Knock sensor (KS) 2 – high input | Wiring, KS incorrectly tightened, KS |
| P1331 | Camshaft position (CMP) sensor B – timing reference, out of range | Wiring, CMP sensor, ECM |
| P1338 | Camshaft position (CMP) sensor A – phase position malfunction | Wiring, CMP sensor, ECM |
| P1339 | Camshaft position (CMP) sensor B – phase position malfunction | Wiring, CMP sensor, ECM |
| P1340 | Multiple cylinder(s) misfire during start | Wiring, fuel level low, ignition/fuel system, injector(s), spark plug(s), ignition coil(s), mechanical fault |
| P1341 | Multiple cylinder(s) misfire with fuel cut-off | Wiring, fuel level low, ignition/fuel system, intake leak, mechanical fault |
| P1342 | Misfire detected during start-up – cylinder 1 | Wiring, fuel level low, ignition/fuel system, injector, spark plug, ignition coil, mechanical fault |
| P1343 | Cylinder misfire with fuel cut-off- cylinder 1 | Wiring, fuel level low, ignition/fuel system, intake leak, mechanical fault |
| P1344 | Misfire detected during start-up – cylinder 2 | Wiring, fuel level low, ignition/fuel system, injector, spark plug, ignition coil, mechanical fault |
| P1345 | Cylinder misfire with fuel cut-off – cylinder 2 | Wiring, fuel level low, ignition/fuel system, intake leak, mechanical fault |
| P1346 | Misfire detected during start-up – cylinder 3 | Wiring, fuel level low, ignition/fuel system, injector, spark plug, ignition coil, mechanical fault |
| P1347 | Cylinder misfire with fuel cut-off- cylinder 3 | Wiring, fuel level low, ignition/fuel system, intake leak, mechanical fault |
| P1348 | Misfire detected during start-up – cylinder 4 | Wiring, fuel level low, ignition/fuel system, injector, spark plug, ignition coil, mechanical fault |
| P1349 | Cylinder misfire with fuel cut-off- cylinder 4 | Wiring, fuel level low, ignition/fuel system, intake leak, mechanical fault |
| P135B | Knock sensor (KS) 2- range/performance problem | Wiring, connector, KS, ECM |
| P135C | Knock sensor (KS) 2 – circuit malfunction | Wiring, connector, KS, ECM |
| P1366 | Ignition coil A, primary/secondary – signal low | Wiring short to ground, ignition coil |
| P1367 | Ignition coil B, primary/secondary – signal low | Wiring short to ground, ignition coil |
| P136D | Ignition coil 1 – ionization current malfunction | Wiring, coil, combustion fault, ECM |
| P136E | Ignition coil 2 – ionization current malfunction | Wiring, coil, combustion fault, ECM |
| P136F | Ignition coil 3 – ionization current malfunction | Wiring, coil, combustion fault, ECM |
| P1376 | Ignition coil 4 – ionization current malfunction | Wiring, coil, combustion fault, ECM |
| P1381 | ECM self-test – knock control malfunction | Wiring, KS, ECM |
| P1382 | ECM self-test – knock control malfunction | Wiring, KS, ECM |
| P1383 | Ignition circuit – malfunction | Wiring, connectors, spark plug(s), ignition coil(s) |
| P1386 | Knock sensor(s) (KS)- circuit malfunction | Wiring, connector, KS incorrectly tightened, KS |
| P1396 | Crankshaft position (CKP) sensor/engine speed (RPM) sensor 1 & 2 – faulty signal · | CKP/RPM sensor(s), excessive crankshaft clearance, flywheel ring gear damaged |
| P1397 | Camshaft position (CMP) sensor 2 – circuit malfunction | Wiring, CMP sensor, ECM |
| P139C | Crankshaft position (CKP) sensor- signal error | Wiring, connector(s), CKP sensor, ECM |
| P139D | Timing reference, high resolution signal A – intermittent/erratic pulses | Wiring, CKP/RPM/CMP sensor (s), ECM |
| P139E | Timing reference, high resolution signal A – malfunction | Wiring, CKP/RPM/CMP sensor (s), ECM |
| P1407 | Fuel level – signal malfunction | Wiring, fuel level sensor, fuel gauge |
| P1408 | Fuel level – signal malfunction | Wiring, fuel level sensor, fuel gauge |
| P1409 | Fuel level 1 – CAN data bus malfunction | Wiring, fuel level sensor, fuel gauge |
| P140A | Secondary air injection (AIR) system – insufficient flow detected | Hose connection(s), AIR valve, AIR pump |
| P140B | Secondary air injection (AIR) system – insufficient flow detected | Hose connection(s), AIR valve, AIR pump |
| P140C | Secondary air injection (AIR) system – insufficient flow detected | Hose connection(s), AIR valve, AIR pump |
| P140D | Secondary air injection (AIR) solenoid – circuit malfunction | Wiring, AIR solenoid, ECM |
| P140E | Injection cut-off- fuel level too low | Fuel level too low, wiring, connector(s), fuel level sensor, fuel gauge |
| P1410 | Fuel level – implausible signal | Wiring, fuel level sensor, fuel gauge |
| P1411 | Secondary air injection (AIR) pump – malfunction | Wiring, connector, AIR pump |
| P1412 | Secondary air injection (AIR) pump/secondary air injection (AIR) solenoid – mechanical fault | Mechanical failure, air leak |
| P1413 | Secondary air injection (AIR) pump relay – signal low | Wiring, connector, AIR pump relay |
| P1414 | Secondary air injection (AIR) pump relay – signal high | Wiring, connector, AIR pump relay |
| P1415 | Mass air flow (MAF) sensor/volume air flow
(VAF) sensor- air flow low | Wiring, connector(s), MAF sensorNAF
sensor |
| P1416 | Secondary air injection (AIR) solenoid – performance problem or solenoid stuck off | Mechanical fault, AIR solenoid |
| P1417 | Throttle control system | Insufficient/excessive air flow detected |
| P1418 | Secondary air injection (AIR) solenoid – malfunction | Hose blocked |
| P1419 | Mass air flow (MAF) sensor 2 – circuit malfunction | Wiring, connectors, MAF sensor, ECM |
| P1420 | Secondary air injection (AIR) solenoid -circuit malfunction | Wiring, AIR solenoid, ECM |
| P1423 | Secondary air injection (AIR) system – insufficient flow detected | Hose connection(s), AIR valve, AIR pump |
| P1424 | Mass air flow (MAF) sensor/volume air flow
(VAF) sensor- air flow high | Wiring, connector(s), MAF sensorNAF
sensor |
| P1429 | Fuel tank leakage diagnostic module – heater | Wiring, fuel tank leakage diagnostic module |
| P142E | Injection cut-off – fuel pressure too low in high pressure system | Fuel level too low, wiring, connector(s), fuel level sensor, fuel gauge |
| P142F | Injection cut-off- fuel pressure too low in low pressure system | Fuel level too low, wiring, connector(s), fuel level sensor, fuel gauge |
| P1430 | Fuel tank leakage diagnostic module – heater output too low | Wiring, fuel tank leakage diagnostic module |
| P1431 | Fuel tank leakage diagnostic module – heater output too high | Wiring, fuel tank leakage diagnostic module |
| P1432 | Secondary air injection (AIR} system – incorrect flow detected | Hose connection(s), AIR valve, AIR pump |
| P1433 | Fuel level 2 – CAN data bus malfunction | Wiring, fuel level sensor, fuel gauge |
| P1434 | Fuel tank leakage diagnostic module | Wiring, fuel tank leakage diagnostic module |
| P1436 | Fuel system leak detection pump – open circuit | Wiring, connector(s), fuel system leak detection pump |
| P1437 | Fuel system leak detection pump – range/performance problem | Wiring, connector(s), fuel system leak detection pump |
| P1438 | Evaporative emission (EVAP) canister purge valve – open circuit | Wiring, EVAP valve, ECM |
| P143A | Direct ozone reduction catalytic converter temperature sensor – malfunction | Wiring, connector(s), catalytic converter temperature sensor, ECM |
| P143B | Direct ozone reduction catalytic converter temperature sensor – malfunction | Wiring, connector(s), catalytic converter temperature sensor, ECM |
| P143C | Direct ozone reduction catalytic converter temperature sensor/engine coolant temperature (ECT) sensor, radiator outlet – correlation | Wiring, connector(s), catalytic converter temperature sensor, ECT sensor, ECM |
| P143E | Direct ozone reduction catalytic converter temperature sensor – signal error | Wiring, connector(s), catalytic converter temperature sensor, ECM |
| P1441 | Fuel tank leakage diagnostic module – open circuit | Wiring, fuel tank leakage diagnostic module |
| P1442 | Fuel tank leakage diagnostic module – pump control signal low | Wiring, fuel tank leakage diagnostic module |
| P1443 | Fuel tank leakage diagnostic module – pump control signal high | Wiring, fuel tank leakage diagnostic module |
| P1444 | Fuel tank leakage diagnostic module – open circuit | Wiring, fuel tank leakage diagnostic module |
| P1445 | Fuel tank leakage diagnostic module- pump control signal low | Wiring, fuel tank leakage diagnostic module |
| P1446 | Fuel tank leakage diagnostic module – pump control signal high | Wiring, fuel tank leakage diagnostic module |
| P1447 | Fuel tank leakage diagnostic module – pump current too high during test | Wiring, fuel tank leakage diagnostic module |
| P1448 | Fuel tank leakage diagnostic module – pump current too low | Wiring, fuel tank leakage diagnostic module |
| P1449 | Fuel tank leakage diagnostic module – pump current too high | Wiring, fuel tank leakage diagnostic module |
| P144A | Fuel level/fuel tank capacity – correlation | Wiring, fuel level sensor, fuel gauge |
| P144B | Fuel level/fuel consumption – correlation | Wiring, fuel level sensor, fuel gauge |
| P1450 | Fuel tank leakage diagnostic module, solenoid control open circuit | Wiring, fuel tank leakage diagnostic module |
| P1451 | Fuel tank leakage diagnostic module – solenoid control signal low | Wiring, fuel tank leakage diagnostic module |
| P1452 | Fuel tank leakage diagnostic module – solenoid control signal high | Wiring, fuel tank leakage diagnostic module |
| P1453 | Secondary air injection (AIR) system – electrical fault | Wiring, connectors, AIR pump relay, AIR
pump |
| P1454 | Secondary air injection (AIR) system – electrical fault | Wiring, connectors, AIR pump relay, AIR
pump |
| P1456 | Heated catalyst heater – supply voltage circuit malfunction | Wiring, relay, ECM |
| P1457 | Heated catalyst heater temperature sensor – signal malfunction | Wiring, connector(s), temperature sensor, ECM |
| P1461 | Heated catalyst heater – signal too low | Wiring, relay, heated catalyst heater, ECM |
| P1462 | Heated catalyst heater control module – EEPROM error | Heated catalyst heater control module |
| P1463 | Heated catalyst battery temperature sensor 1 – circuit malfunction | Wiring, heated catalyst battery temperature sensor, ECM |
| P1464 | Heated catalyst battery temperature sensor 2 – circuit malfunction | Wiring, heated catalyst battery temperature sensor, ECM |
| P1465 | Heated catalyst battery temperature sensor 1/2 – implausible signal | Wiring, heated catalyst battery temperature sensor, ECM |
| P1466 | Heated catalyst battery temperature sensor – signal voltage malfunction | Wiring, heated catalyst battery temperature sensor, ECM |
| P1467 | Heated catalyst battery temperature sensor – voltage malfunction | Wiring, heated catalyst battery temperature sensor, ECM |
| P1470 | Evaporative emission (EVAP) canister purge valve – ECM output stage | Wiring, EVAP canister purge valve, ECM |
| P1471 | Fuel system leak detection pump – open circuit | Wiring, connector(s), fuel system leak detection pump |
| P1472 | Fuel tank leakage diagnostic module – circuit malfunction | Wiring, fuel tank leakage diagnostic module |
| P1473 | Fuel tank leakage diagnostic module – implausible signal | Wiring, fuel tank leakage diagnostic module |
| P1475 | Evaporative emission (EVAP) system – malfunction | Wiring, connector, EVAP canister purge valve relay, EVAP canister purge valve, ECM |
| P1476 | Evaporative emission (EVAP) system – malfunction | Hose(s) blocked, mechanical fault |
| P1477 | Evaporative emission (EVAP) system – circuit malfunction | Wiring, connector, EVAP canister purge valve relay, EVAP canister purge valve, ECM |
| P1478 | Evaporative emission (EVAP) system – malfunction | Mechanical fault, system leak |
| P1497 | Intake air leak | Mechanical fault |
| P1500 | Idle speed control (ISC) actuator – actuator stuck open | ISC actuator |
| P1501 | Idle speed control (ISC) actuator – actuator stuck closed | ISC actuator |
| P1502 | Idle speed control (ISC) actuator, closing coil – signal high | Wiring, connector(s), ISC actuator, ECM |
| P1503 | Idle speed control (ISC) actuator, closing coil – signal low | Wiring, connector(s), ISC actuator, ECM |
| P1504 | Idle speed control (ISC) actuator, closing coil – open circuit | Wiring, connector(s}, ISC actuator, ECM |
| P1506 | Idle speed control (ISC) actuator, opening coil – signal high | Wiring, connector(s), ISC actuator, ECM |
| P1507 | Idle speed control (ISC) actuator, opening coil – signal low | Wiring, connector(s), ISC actuator, ECM |
| P1508 | Idle speed control (ISC) actuator, opening coil – open circuit | Wiring, connector(s}, ISC actuator, ECM |
| P1509 | Idle speed control (ISC) actuator- malfunction | Wiring, ISC actuator |
| P1510 | Idle speed control (ISC) actuator – actuator stuck | Wiring, mechanical fault |
| P1511 | Intake manifold air control solenoid – circuit malfunction | Wiring, connector, intake manifold air control solenoid |
| P1512 | Intake manifold air control system – signal low | Wiring, ECM |
| P1513 | Intake manifold air control system -signal high | Wiring, ECM |
| P1515 | Internal engine off timer performance | Wiring, ECM |
| P1516 | Heater control thermostat circuit – range/performance problem | Wiring, heater control thermostat |
| P1519 | Inlet camshaft control system – plausibility | Wiring, connector, mechanical fault, CMP
actuator, CMP sensor(s), CKP sensor, ECM |
| P151F | CAN data bus, vehicle speed sensor (VSS) – time out | Wiring |
| P1520 | Exhaust camshaft control system, end position – plausibility | Wiring, connector, CMP sensor, CKP sensor, ECM |
| P1523 | Exhaust camshaft control system, camshaft position – plausibility | Wiring, connector, CMP actuator, ECM |
| P1524 | Camshaft position (CMP) actuator A – signal high | Wiring, CMP actuator |
| P1525 | Inlet camshaft control system – ECM output stage | Wiring, connectors, CMP actuator, ECM |
| P1529 | Camshaft position (CMP) actuator, exhaust camshaft – ECM output stage | Wiring, connector, CMP actuator, ECM |
| P152A | Vehicle speed sensor (VSS) – vehicle speed too low compared to reference value | Wiring, VSS |
| P152B | Vehicle speed sensor (VSS) – vehicle speed too low compared to reference value | Wiring, VSS |
| P152C | Idle speed control (ISC) actuator- incorrect signal | Wiring, ISC actuator, ECM |
| P152D | Idle speed control (ISC) actuator- signal malfunction | Wiring, ISC actuator, ECM |
| P152E | Idle speed control (ISC) actuator – signal correlation | Wiring, ISC actuator, ECM |
| P152F | Idle speed control (ISC) actuator- reset error | Wiring, ISC actuator, ECM |
| P1530 | Camshaft position (CMP) actuator B – signal high | Wiring, CMP actuator |
| P1531 | Camshaft position (CMP) actuator B – open circuit | Wiring, CMP actuator |
| P153E | Idle speed control (ISC) actuator – signal correlation | Wiring, ISC actuator, ECM |
| P153F | Idle speed control (ISC) actuator- reset error | Wiring, ISC actuator, ECM |
| P1542 | Accelerator pedal position (APP) sensor – circuit malfunction | Wiring, connector(s), APP sensor, ECM |
| P1543 | Throttle position (TP) sensor 1 – low input | Wiring, connector(s), TP sensor, ECM |
| P1544 | Throttle position (TP) sensor 1 – high input | Wiring, connector(s), TP sensor, ECM |
| P1545 | Throttle position (TP) sensor 1 – implausible signal | Wiring, connector(s), TP sensor, ECM |
| P1546 | ECM – internal fault, checksum error | ECM |
| P1547 | ECM – internal fault, CAN data bus signal not received in time | ECM |
| P154C | Throttle valve actuator – incorrect signal | Wiring, throttle valve actuator, ECM |
| P1540 | Throttle valve a¥tuator – signal malfunction | Wiring, throttle valve actuator, ECM |
| P154E | Throttle valve actuator – signal correlation | Wiring, throttle valve actuator, ECM |
| P154F | Throttle valve actuator – reset error | Wiring, throttle valve actuator, ECM |
| P1550 | Idle speed control (ISC) actuator- malfunction | Wiring, ISC actuator |
| P1551 | ECM – internal fault, time out | ECM |
| P1552 | Camshaft position (CMP) actuator A – open circuit | Wiring, CMP actuator |
| P1553 | Engine position system 8, bank 1 – performance | Camshaftlreluctor position, timing chain/tensioner, camshaft position actuator, incorrect torque on crankshaft center bolt |
| P1554 | Engine position system A, bank 1 – performance – | Camshaft/reluctor position, timing chain/tensioner, camshaft position actuator, incorrect torque on crankshaft center bolt |
| P1556 | AIC compressor – signal low | Wiring |
| P1558 | Throttle valve actuator – circuit malfunction | Wiring, throttle valve actuator |
| P1560 | Camshaft position (CMP) actuator B – open circuit | Wiring, CMP actuator |
| P1561 | Idle air control (lAC) system, bank 1 – engine rpm too low after cold start | Wiring, connector(s), ISC actuator, ECM |
| P1562 | Idle air control (lAC) system, bank 1 – engine rpm too high after cold start | Wiring, connector(s), ISC actuator, ECM |
| P1564 | ECM – programming error | ECM |
| P1565 | Multifunction steering wheel – interface malfunction | Wiring, buttons ‘+’ and ‘·’ pressed simultaneously |
| P156A | Throttle valve adaptation – signal monitoring malfunction | Wiring, throttle valve adaptation, throttle position (TP) sensor, ECM |
| P156B | Throttle valve adaptation – adaptation failure | Wiring, throttle valve adaptation, throttle position (TP) sensor, ECM |
| P156C | Throttle valve adaptation – control deviation | Wiring, throttle valve adaptation, throttle position (TP) sensor, ECM |
| P156D | Throttle valve – enable line low input | Wiring, connector(s), throttle valve actuator, ECM |
| P156E | Throttle valve – enable line high input | Wiring, connector(s), throttle valve actuator, ECM |
| P156F | Throttle valve – open circuit | Wiring, connector(s), throttle valve actuator, ECM |
| P1570 | Engine control module (ECM), sensor supply circuit A – low output | Wiring short to ground, ECM |
| P1571 | Engine control module (ECM), sensor supply circuit A – high output | Wiring short to positive, ECM |
| P1572 | Engine control module (ECM), sensor supply circuit A – signal malfunction | Wiring, electrical interference |
| P1573 | Engine control module (ECM), sensor supply circuit B – low output | Wiring short to ground, ECM |
| P1574 | Engine control module (ECM), sensor supply circuit 8 – high output | Wiring short to positive, ECM |
| P1575 | Engine control module (ECM), sensor supply circuit B – signal malfunction | Wiring, electrical interference |
| P1580 | Throttle valve actuator – mechanical fault | Throttle valve actuator |
| P1585 | Random/multiple cylinder(s)- misfire detected | Fuel level low, ignition/fuel system, injector(s), intake leak, mechanical fault |
| P1589 | Knock sensor(s) (KS)- circuit malfunction | Wiring, connector, KS incorrectly tightened, KS |
| P158A | Idle speed control (ISC) actuator – fail safe mode | Wiring, connector(s), ISC actuator, ECM |
| P158B | Idle speed control (ISC) actuator- diagnostic error | Wiring, connector(s), ISC actuator, ECM |
| P158C | Idle speed control {ISC) actuator- adaptation failure | Wiring, connector(s), ISC actuator, ECM |
| P158D | Idle speed control (ISC) actuator – control position error | Wiring, connector(s), ISC actuator, ECM |
| P1590 | Throttle position (TP) sensor 2 – low input | Wiring, connector(s), TP sensor, ECM |
| P1591 | Throttle position (TP) sensor 2 – high input | Wiring, connector(s), TP sensor, ECM |
| P1592 | Throttle position (TP) sensor 2 – implausible signal | Wiring, connector(s), TP sensor, ECM |
| P1593 | Intake manifold air control solenoid – ECM
output stage | Wiring, intake manifold air control solenoid, ECM |
| P1599 | CAN data bus, transmission control module
(TCM) -time out | Wiring |
| P159D | Idle speed control (ISC) actuator – control position error | Wiring, connector(s), ISC actuator, ECM |
| P15BO | ECM – ignition switch supply voltage – supply voltage high | ECM |
| P1581 | ECM – ignition switch supply voltage – supply voltage low | ECM |
| P1600 | Engine control module (ECM) – RAM error | – |
| P1602 | ECM self-test – malfunction | ECM |
| P1603 | ECM self-test – torque monitoring | Wiring, ECM |
| P1604 | ECM self-test – engine speed monitoring | Wiring, ECM |
| P1605 | ECM – torque limitation request | ECM |
| P1606 | ECM, memory fault – internal fault | ECM |
| P1607 | CAN data bus version | Programming |
| P1608 | ECM – serial communication error | ECM |
| P1609 | Voltage regulation – serial communication error | – |
| P160C | Voltage regulation – system voltage high | Wiring, alternator |
| P160D | Voltage regulation – system voltage low | Wiring, alternator |
| P160E | · Voltage regulation – circuit malfunction | Wiring, battery |
| P1610 | Heated catalyst heater control module – communication malfunction | Wiring, heated catalyst heater control module, ECM |
| P1611 | Transmission control module (TCM) – communication malfunction | Wiring, TCM, ECM |
| P1612 | Instrument panel -communication malfunction | Wiring, instrument panel, ECM |
| P1613 | CAN data bus, automatic stability control
(ASC) system | Wiring, ASC |
| P1615 | Engine control module (ECM), processor fault – SPI-bus failure | ECM |
| P1616 | Engine control module (ECM), coding memory – memory checksum error | ECM |
| P1617 | Engine control module (ECM), controller- malfunction | ECM |
| P1618 | ECM self-test – AJD conversion monitoring | Wiring, ECM |
| P1619 | Engine coolant thermostat control circuit – signal low | Wiring, engine coolant thermostat |
| P161A | Fuel tank vent valve – high input | Wiring, fuel tank vent valve, ECM |
| P1618 | Fuel tank vent valve – low input | Wiring, fuel tank vent valve, ECM |
| P161C | Fuel tank vent valve – open circuit | Wiring, fuel tank vent valve, ECM |
| P1620 | Engine coolant thermostat control circuit – signal high | Wiring, engine coolant thermostat |
| P1622 | Engine coolant temperature (ECT) sensor, ECM controlled cooling system – ECM output stage | Wiring, ECT sensor, ECM |
| P1623 | Accelerator pedal position (APP) sensor – circuit malfunction | Wiring, APP sensor, ECM |
| P1624 | Accelerator pedal position (APP) sensor 1 – circuit malfunction | Wiring, APP sensor, ECM |
| P1625 | Accelerator pedal position (APP) sensor 2 – circuit malfunction | Wiring, APP sensor, ECM |
| P1628 | Throttle valve actuator – return spring test malfunction | Wiring, throttle valve actuator, ECM |
| P1629 | Throttle valve actuator – return spring test malfunction | Wiring, throttle valve actuator, ECM |
| P162D | Throttle position control – throttle valve stuck permanently | Wiring, mechanical fault, ECM |
| P1631 | Throttle valve actuator – return spring test malfunction | Wiring, throttle valve actuator, ECM |
| P1632 | Throttle valve – adaptation failure | Wiring, throttle valve adaptation, throttle motor position sensor, ECM |
| P1633 | Throttle valve adaptation – limp-home position incorrect | Wiring, throttle valve adaptation, throttle motor position sensor, ECM |
| P1634 | Throttle valve adaptation – return spring test failed | Wiring, mechanical fault, ECM |
| P1635 | Throttle valve adaptation – mechanical stop not adapted | Wiring, throttle valve adaptation, throttle motor position sensor, ECM |
| P1636 | Throttle valve control circuit – circuit malfunction | Wiring, throttle motor position sensor, ECM |
| P1637 | Throttle position control – control deviation | Wiring, throttle motor position sensor, ECM |
| P1638 | Throttle position control – throttle valve stuck temporarily | Wiring, mechanical fault, ECM |
| P1639 | Throttle position control – throttle valve stuck permanently | Wiring, mechanical fault, ECM |
| P163A | ECM internal temperature too low | – |
| P163B | Throttle valve adaptation – adaptation failure | Wiring, throttle valve adaptation, ECM |
| P163C | ECM – voltage too high | ECM |
| P1630 | ECM – voltage cut-off detected | ECM |
| P163E | ECM – communication malfunction | ECM |
| P163F | ECM – ND conversion monitoring – implausible signal | Wiring, ECM |
| P1640 | Engine control module (ECM) – RAM/ROM
malfunction | ECM |
| P1643 | Throttle valve actuator – implausible signal | Wiring, throttle valve actuator, ECM |
| P1644 | Throttle valve adaptation – mechanical stop not adapted | Wiring, mechanical fault, ECM |
| P164A | Engine control (EC) relay – voltage too low | Wiring, EC relay, ECM |
| P1648 | Engine control (EC) relay – voltage too high | Wiring, EC relay, ECM |
| P164C | Accelerator pedal position (APP) sensor 1 – circuit malfunction | Wiring, APP sensor, ECM |
| P1653 | Transmission torque – incorrect signal | Wiring, TCM |
| P1654 | CAN data bus signal – time out | Wiring, ECM |
| P165F | Heated oxygen sensor (H02S) 1 – signal malfunction | Wiring, H025 |
| P1663 | Immobilizer control module – incorrect coding | Ignition key not matched/damaged |
| P1670 | Transmission control – incorrect signal | Wiring, TCM |
| P1675 | Throttle valve actuator, start test – adaptation required | Throttle valve actuator adaptation |
| P1679 | Electronic throttle system (ETS), monitor level 2/3 – low engine torque detected | ETS, ECM |
| P167E | ECM – internal error, reference voltage too high | ECM |
| P167F | ECM – internal error, reference voltage too low | ECM |
| P1680 | ETC monitor – processor fault | Wiring, ETC monitor |
| P1681 | ETC monitor – engine speed calculation error | Wiring, ETC monitor |
| P1682 | Electronic throttle system (ETS), monitor level 2/3 – idle speed fault | ETS, ECM |
| P1683 | Electronic throttle system (ETS), monitor level 2/3 – idle speed fault | ETS, ECM |
| P1684 | Electronic throttle system (ETS), monitor level 2/3 – malfunction | ETS, ECM |
| P1685 | Electronic throttle system (ETS), monitor level 2/3 – malfunction | ETS, ECM |
| P1686 | ETC monitor – pedal position sensor, diagnostic error | Wiring, ETC monitor |
| P1687 | Electronic throttle system (ETS), monitor level 2/3 – throttle motor position sensor diagnostic error | Wiring, throttle motor position sensor, ECM |
| P1688 | ETC monitor – mass air flow calculation | Wiring, ETC monitor |
| P1689 | Electronic throttle system (ETS), monitor level 2/3 – incorrect engine torque | ETS, ECM |
| P168D | Throttle valve actuator – limp-home position incorrect | Wiring, throttle valve adaptation, throttle valve actuator, ECM |
| P1690 | Malfunction indicator lamp (MIL) – circuit malfunction | Wiring, MIL |
| P1691 | Electronic throttle system (ETS), monitor level
2/3 – throttle motor control malfunction | ETS, ECM |
| P1692 | Electronic throttle system (ETS), monitor level
2/3 – throttle motor control/injection cut-off | ETS, ECM |
| P1693 | Electronic throttle system {ETS), monitor level
2/3 – throttle motor control/injection cut-off | ECM |
| P1694 | Throttle valve actuator, start test – return spring test and limp-home position failed | Wiring, mechanical fault, ECM |
| P1696 | Engine control (EC) relay, control circuit- low input | Wiring short to ground, EC relay, ECM |
| P1697 | Engine control (EC) relay, control circuit- high input | Wiring short to positive, EC relay, ECM |
| P1698 | Transmission control module – control error | TCM |
| P1699 | Transmission control module – checksum error | TCM |
| P169A | Throttle valve actuator – limp-home position incorrect | Wiring, throttle valve adaptation, throttle valve actuator, ECM |
| P16AO | ECM – internal fault, checksum error | ECM |
| P16A1 | ECM – internal fault, checksum error | ECM |
| P16A2 | ECM – internal fault, checksum error | ECM |
| P16A3 | ECM – internal fault, memory error | ECM |
| P16A4 | ECM – internal fault, knock sensor (KS) bus | ECM |
| P16A5 | ECM – internal fault, output stage bus | ECM |
| P16A6 | ECM self-test – cruise control monitoring | Wiring, ECM |
| P16A7 | ECM self-test – MAF sensor monitoring | Wiring, MAF sensor, ECM |
| P16A8 | ECM self-test- throttle position monitoring | Wiring, throttle position {TP) sensor, ECM |
| P16A9 | ECM self-test – vehicle speed signal | Wiring, ECM |
| P16BO | ECM self-test – pedal position monitoring | Wiring, accelerator pedal position (APP)
sensor, ECM |
| P16B1 | ECM self-test – idle air control (lAC) system – malfunction | Wiring, lAC system, ECM |
| P16B2 | ECM self-test – idle air control (lAC) system – malfunction | Wiring, lAC system, ECM |
| P1683 | ECM self-test – engine torque monitoring | Wiring, ECM |
| P16B4 | ECM self-test – cruise control distance monitoring | Wiring, ECM |
| P16B5 | ECM self-test – sequential mechanical gearbox monitoring | Wiring, ECM |
| P16B6 | ECM self-test – ETC monitoring | Wiring, ECM |
| P16B7 | ECM self-test – torque converter clutch (TCC)
monitoring | Wiring, ECM |
| P1688 | ECM self-test -torque converter clutch (TCC)
monitoring | Wiring, ECM |
| P16B9 | ECM self-test – torque loss monitoring | Wiring, ECM |
| P16CO | ECM self-test – ESP monitoring | Wiring, ECM |
| P16C1 | ECM self-test – torque monitoring | Wiring, ECM |
| P16C2 | ECM self-test – engine speed limitation monitoring | Wiring, ECM |
| P16C3 | ECM self-test – engine speed limitation reset | Wiring, ECM |
| P16C5 | Engine control (EC) relay – circuit malfunction | Wiring, EC relay, ECM |
| P3000 | Fuel rail pressure (FRP) sensor -signal higher than expected | Wiring, FRP sensor, FRP control valve |
| P3001 | Fuel rail pressure (FRP) sensor- signal lower than expected | Wiring, FRP sensor, FRP control valve, fuel pump (FP) |
| P3002 | Fuel rail pressure (FRP), flow rate control – pressure too low | Wiring, FRP control valve, fuel pump (FP) |
| P3003 | Fuel rail pressure (FRP), flow rate control – pressure too high | Wiring, FRP control valve |
| P3004 | Fuel rail pressure (FRP), flow rate control – maximum pressure exceeded | Wiring, FRP control valve |
| P3005 | Fuel rail pressure (FRP), pressure control – pressure too low | Wiring, FRP control valve, fuel pump (FP) |
| P3006 | Fuel rail pressure (FRP), pressure control – pressure too high | Wiring, FRP control valve |
| P3007 | Fuel rail pressure (FRP), pressure control – maximum pressure exceeded | Wiring, FRP control valve |
| P3008 | Heated oxygen sensor (H02S) 1 -low input after cold start | Wiring, H02S, ECM |
| P3010 | Heated oxygen sensor (H02S) 2 – low input after cold start | Wiring, H025, ECM |
| P3012 | Heated oxygen sensor (H02S) 1 – adaptation value too high | Wiring, H025, ECM |
| P3014 | Heated oxygen sensor {H02S) 1 – voltage malfunction | Wiring, H02S, ECM |
| P3016 | Heated oxygen sensor (H02S) 1 – calibration fault | Wiring, H025, ECM |
| P3018 | Heated oxygen sensor (H02S) 1 – lambda control malfunction | Wiring, H025 |
| P3020 | Heated oxygen sensor (H02S) 1 – signal voltage malfunction | Wiring, H02S |
| P3022 | Heated oxygen sensor (H02S) 1 – communication malfunction | Wiring, H025 |
| P3024 | Heated oxygen sensor (H02S) 1 – initialization failure | Wiring, H025 |
| P3026 | Heated oxygen sensor (H02S) 1 – operating temperature malfunction | Wiring, H025, ECM |
| P3028 | Heated oxygen sensor (H02S) 1 – no activity | Wiring, H025, ECM |
| P3030 | Heated oxygen sensor (H02S) 1 – adaptation value too high | Wiring, H025, ECM |
| P3032 | Heated oxygen sensor (H02S) 1 -implausible signal | Wiring, H025, ECM |
| P3034 | Heated oxygen sensor (H02S) 1 – signal too low | Wiring, H02S, ECM |
| P3036 | Heated oxygen sensor (H02S) 1 – lean shift monitoring/rich shift monitoring · | Wiring, H025, ECM |
| P3038 | Heated oxygen sensor (H02S) 1 – lean shift monitoring/rich shift monitoring | Wiring, H025, ECM |
| P3040 | Heated oxygen sensor {H02S) 2 – lean shift monitoring/rich shift monitoring | Wiring, H02S, ECM |
| P3090 | Fuel rail pressure (FRP), flow rate control – minimum pressure incorrect | Wiring, connector(s), fuel pressure regulator control solenoid, fuel leak, fuel pump (FP), ECM |
| P3091 | Fuel rail pressure (FRP), pressure control – minimum pressure incorrect | Wiring, connector(s), fuel pressure regulator control solenoid, fuel leak, fuel pump (FP), ECM |
| P316A | Engine coolant temperature – signal malfunction | Wiring, ECT sensor, ECM |
| P316B | Engine coolant temperature – signal voltage low | Wiring, ECT sensor, ECM |
| P316C | Engine coolant temperature {ECT) sensor, radiator outlet – implausible signal | Wiring, ECT sensor, ECM |
| P3196 | Engine coolant temperature {ECT) sensor, radiator outlet – high input | Wiring, ECT sensor, ECM |
| P3197 | Engine coolant temperature (ECT) sensor, radiator outlet – malfunction | Wiring, ECT sensor, ECM |
| P3198 | Engine coolant temperature (ECT) sensor – malfunction | Wiring, ECT sensor, ECM |
| P3199 | Engine coolant temperature (ECT) sensor – signal stuck | Wiring, ECT sensor, ECM |
| P3203 | CAN data bus – malfunction | Wiring, connected control modules |
| P3204 | CAN data bus – malfunction | Wiring, connected control modules |
| P3205 | CAN data bus – malfunction | Wiring, connected control modules |
| P320D | CAN data bus monitoring – ETC timeout | Wiring, connected control modules |
| P3213 | CAN data bus monitoring – ETC self-test malfunction | Wiring, connected control modules |
| P3214 | CAN data bus monitoring – ETC self-test malfunction | Wiring, connected control modules |
| P3216 | CAN data bus – malfunction – CAN data bus signal not received in time | Wiring, connected control modules |
| P3217 | CAN data bus monitoring – implausible signal | Wiring, instrument panel, connected control modules |
| P3218 | CAN data bus monitoring – signal malfunction | Wiring, power supply |
| P321D | CAN data bus monitoring – malfunction | Wiring, connected control modules |
| P321E | Barometric pressure (BARO) sensor- maximum pressure incorrect | Wiring, BARO sensor |
| P321F | Barometric pressure (BARO) sensor- minimum pressure incorrect | Wiring, BARO sensor |
| P3229 | Load sensor monitoring – VVT plausibility | – |
| P322A | Barometric pressure (BARO) sensor- open circuit | Wiring, BARO sensor |
| P322B | Barometric pressure (BARO) sensor- signal malfunction | Wiring, BARO sensor |
| P3230 | Load sensor monitoring – pressure sensor plausibility | – |
| P3231 | Control module monitoring – error response plausibility | – |
| P3232 | Control module monitoring – ignition timing plausibility | – |
| P3233 | Control module monitoring – charging system plausibility | Wiring, alternator, ECM |
| P3234 | Control module monitoring -throttle valve stop test plausibility | Wiring, throttle valve actuator, ECM |
| P3235 | Control module monitoring – version coding plausibility | ECM |
| P3236 | Control module monitoring – injection duration/fuel quantity plausibility | – |
| P3237 | Control module monitoring – fuel trim (FT)
error | – |
| P3238 | ECM self-test – time processor unit (TPU) | Wiring, TPU, ECM |
|
malfunction |
| P323C | Barometric pressure (BARO) sensor- circuit malfunction | Wiring, BARO sensor |
| P323D | Control module monitoring – air volume plausibility | Wiring, MAF sensor, ECM |
| P323F | Control module monitoring – air volume/lambda control value, signal correlation | Wiring, MAF sensor, H02S, ECM |
| P3240 | Engine coolant thermostat control circuit – open circuit | Wiring, engine coolant thermostat |
| P3241 | Engine coolant thermostat control circuit – signal low | Wiring, engine coolant thermostat |
| P3242 | Engine coolant thermostat control circuit – signal high | Wiring, engine coolant thermostat |
| P3248 | Torque management request – signal too high | Wiring, ECM, TCM |
| P3258 | Engine control module (ECM) – internal error | ECM |
| P3259 | Control module monitoring – fuel quantity/air volume/lambda control value, signal correlation | Wiring, MAF sensor, H02S, ECM |
| P3269 | Mass air flow (MAF) sensor – high input | Wiring, connector(s), MAF sensor, ECM |
| P3270 | Mass air flow (MAF) sensor – low input | Wiring, connector(s), MAF sensor, ECM |
| P3283 | Fuel rail pressure (FRP) sensor – fuel volume signal out of range | Wiring, FRP control valve, fuel pump (FP) |
| P3284 | Fuel rail pressure (FRP) sensor- implausible signal | Wiring, FRP sensor, FRP control valve, fuel pump (FP) |
| P3337 | Lambda control – implausible signal | Wiring, H02S, ECM |
| U1101 | Outside air temperature sensor – communication error | Wiring, instrumentation control module |
| U110E | Electronic traction control (ETC) module – message monitoring, torque reduction signal – self-test malfunction | Wiring, traction control module, ECM |
| U110F | Electronic traction control (ETC) module – no communication, torque reduction signal | Wiring, traction control module, ECM |
| U1110 | Electronic traction control (ETC) module – message monitoring, torque reduction signal – checksum error | Wiring, traction control module, ECM |
| U1121 | Power management mode – battery voltage, no communication | Wiring, battery voltage low |
| U1125 | Electronic stability program (ESP) control module – message monitoring, self-test | Wiring, ESP control module |
| U1126 | Electronic stability program (ESP) control module – no communication | Wiring, ESP control module |
| U1127 | Electronic stability program (ESP) control module :- message monitoring, checksum error | Wiring, ESP control module |
| U112A | Instrumentation control module – message monitoring, self-test | Wiring, instrumentation control module |
| U112B | Instrumentation control module – no communication | Wiring, instrumentation control module |
| U112E | Accelerator pedal position (APP) sensor – no communication | Wiring, ECM |
| U1131 | Multifunction control module – no communication | Wiring, multifunction control module |
| U1136 | Idle speed control (ISC) actuator – no communication | Wiring, ECM |
| U1137 | Idle speed control (ISC) actuator – message monitoring, self-test | Wiring, ECM |
| U1138 | Idle speed control (ISC) actuator – message monitoring, internal memory failure | Wiring, ECM |
| U1139 | Idle speed control (ISC) actuator/sequential manual transmission control module – communication malfunction | Wiring, transmission control module (TCM), ECM |
| U1140 | Throttle valve – communication malfunction | Wiring, ECM |
| U1141 | Throttle valve actuator – no communication | Wiring, ECM |
| U1142 | Throttle valve actuator – message monitoring, self-test | Wiring, ECM |
| U1143 | Throttle valve actuator- message monitoring, internal memory failure | Wiring, ECM |
| U1144 | Nitrogen oxides (NOx) sensor – no communication | Wiring, ECM |
| U1149 | Multifunction control module – message monitoring, self-test | Wiring, multifunction control module |
| U114A | Engine torque control1 -message monitoring, self-test | Wiring, ECM |
| U114B | Engine torque control 1 – no communication | Wiring, ECM |
| U114C | Engine torque control 1 -message monitoring, checksum error | Wiring, ECM |
| U114D | Engine torque control 2 -message monitoring, self-test | Wiring, ECM |
| U114E | Engine torque control 2 – no communication | Wiring, ECM |
| U114F | Engine torque control 2 -message monitoring, checksum error | Wiring, ECM |
| U1150 | Multifunction control module – message monitoring, checksum error | Wiring, multifunction control module |
| U1157 | Engine torque control 1 -message monitoring, plausibility | Wiring, ECM |
| U1158 | Engine torque control 2 -message monitoring, plausibility | Wiring, ECM |
| U1159 | Engine torque control 3 -message monitoring, plausibility | Wiring, ECM |
| U115A | Engine torque control 3 -message monitoring, self-test | Wiring, ECM |
| U115B | Engine torque control 3 – no communication | Wiring, ECM |
| U115C | Engine torque control 3 -message monitoring, checksum error | Wiring, ECM |
| U115D | Engine control module (ECM) – message monitoring, self-test | Wiring, ECM |
| U115E | Engine control module (ECM) – no communication | Wiring, ECM |
| U115F | Engine control module (ECM) – message monitoring, checksum error | Wiring, ECM |
| U1163 | Engine control module (ECM) – message monitoring, self-test | Wiring, ECM |
| U1164 | Engine control module (ECM) – message monitoring, checksum error | Wiring, ECM |
| U1167 | Direct ozone reduction catalytic converter temperature sensor – message monitoring | Wiring, ECM |
| U1168 | Direct ozone reduction catalytic converter temperature sensor- message monitoring, checksum error | Wiring, ECM |
| U116A | Cruise control module – message monitoring, self-test | Wiring, cruise control module |
| U116B | Cruise control module – no communication | Wiring, cruise control module |
| U116C | Cruise control module – message monitoring, checksum error | Wiring, cruise control module |
| U116D | Wheel speed sensor – no communication | Wiring, electronic stability program (ESP)
control module, ECM |
| U116E | Electronic stability program (ESP) control module – no communication | Wiring |
