| Cadillac Codes |
| Trouble Code |
Fault Location |
Probable Cause |
| P1011 | Intake camshaft position (CMP) actuator, bank 1 -incorrect park position | Engine oil level/pressure, mechanical fault |
| P1012 | Exhaust camshaft position (CMP) actuator, bank 1 -incorrect park position | Engine oil level/pressure, mechanical fault |
| P1013 | Intake camshaft position (CMP) actuator, bank 2 -incorrect park position | Engine oil level/pressure, mechanical fault |
| P1014 | Exhaust camshaft position (CMP) actuator, bank 2 -incorrect park position | Engine oil level/pressure, mechanical fault |
| P1031 | Heated oxygen sensor (H02S) 1, banks 1 & 2 -heater current monitor control circuit | Wiring short circuit to positive, H02S, ECM |
| P1032 | Heated oxygen sensor (H02S) 1, banks 1 & 2 -heater warm up control circuit | Wiring short circuit to positive, H02S, ECM |
| P1101 | Intake airflow -incorrect | Wiring, mechanical fault, engine coolant temperature (ECT) sensor, barometric pressure (BARO) sensor, intake air temperature (IAT) sensor, manifold absolute pressure (MAP) sensor, mass air flow (MAF) sensor, throttle position (TP) switch |
| P1105 | Secondary Vacuum Sensor Circuit | |
| P1106 | Manifold absolute pressure (MAP) sensor circuitintermittent -voltage high | Wiring open circuit/short circuit to ground/short circuit to positive |
| P1107 | Manifold absolute pressure (MAP) sensor-circuit intermittent -voltage low | Wiring short circuit to ground |
| P1108 | Barometric pressure (BARO) sensor/manifold absolute pressure (MAP) sensor -comparison too high | Wiring open circuit/short circuit to positive, MAP sensor, ECM |
| P1109 | Secondary Port Throttle System | |
| P1111 | Intake air temperature (IAT) sensor -circuit intermittent -voltage high | Wiring open circuit, ground lead defective |
| P1112 | Intake air temperature (IAT) sensor -circuitintermittent -voltage low | Wiring short circuit to ground |
| P1113 | Intake air flap control actuator -circuit malfunction | Wiring open circuit/short circuit to ground/positive, intake air valve control valve, ECM |
| P1114 | Engine coolant temperature (ECT) sensor circuit malfunction -voltage low | Wiring short circuit to ground |
| P1115 | Engine coolant temperature (ECT) sensor circuit malfunction -voltage high | Wiring open circuit, ground lead defective |
| P1116 | Engine Coolant Temperature Sensor Signal Unstable Or Intermittent | |
| P1117 | Engine Coolant Temperature Signal Out-Of-Range Low | |
| P1118 | Engine Coolant Temp Signal Out-Of Range High | |
| P1119 | Engine Coolant Temperature Signal Out Of Rage | |
| P1120 | Throttle motor position sensor 1 -circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, throttle control unit, ECM |
| P1121 | Throttle position (TP) sensor -circuit malfunction -voltage high | Wiring short circuit to positive, ground lead defective |
| P1122 | Throttle position (TP) sensor -circuit malfunction -voltage low | Wiring open circuit/short circuit to ground |
| P1125 | Accelerator pedal position (APP) sensor 1/2signal malfunction | Wiring, APP sensor, ECM |
| P1130 | HO2S Circuit Low Variance Bank 1 Sensor 1 | |
| P1131 | HO2S Circuit Low Variance Bank 1 Sensor 2 | |
| P1132 | H02S Circuit Low Variance Bank 2 Sensor 1 | |
| P1133 | Heated oxygen sensor (H02S) 1, bank 1insufficient switching | Wiring, exhaust system leaking, H02S |
| P1134 | Heated oxygen sensor (H02S) 1, bank 1 slow response | Wiring, oxygen sensor heater, exhaust system leaking, H02S |
| P1135 | HO2S Lean Average Bank 1 Sensor 1 | |
| P1136 | HO2S Rich Average Bank 1 Sensor 1 | |
| P1137 | Heated oxygen sensor (H02S) 2, bank 1 voltage low | Wiring, exhaust system leaking, H02S |
| P1138 | Heated oxygen sensor (H02S) 2, bank 1 voltage high | Wiring, H02S |
| P1139 | Heated oxygen sensor (H02S) 2, bank 1insufficient switching | Wiring, oxygen sensor heater, exhaust system leaking, H02S |
| P1140 | Heated oxygen sensor (H02S) 2, bank 1 slowresponse | Wiring, oxygen sensor heater, exhaust systemleaking, H02S |
| P1141 | Heated oxygen sensor (H02S) 2, bank 1 heater control -circuit malfunction | Fuse, wiring, H02S, ECM |
| P1143 | HO2S Bank 1 Sensor 3 Lean Or Low Voltage | |
| P1144 | HO2S Bank 1 Sensor 3 Rich Or High Voltage | |
| P1145 | HO2S Cross Counts Bank 1 Sensor 3 | |
| P1153 | Heated oxygen sensor (H02S) 1, bank 2insufficient switching | Wiring, oxygen sensor heater, exhaust system leaking, H02S |
| P1154 | Heated oxygen sensor (H02S) 1, bank 2 slowresponse | Wiring, oxygen sensor heater, exhaust system leaking, H02S |
| P1155 | HO2S Lean Average Bank 2 Sensor 1 | |
| P1156 | HO2S Rich Average Bank 2 Sensor 1 | |
| P1157 | Heatetl oxygen sensor (H02S) 2, bank 2 -not switching, fuel trim (FT) weak mixture | Wiring, exhaust system leaking, H02S |
| P1158 | Heated oxygen sensor (H02S) 2, bank 2 -not switching, fuel trim (FT) rich mixture | Wiring, exhaust system leaking, H02S |
| P1159 | HO2S Cross Counts Bank 2 Sensor 2 | |
| P1161 | Heated oxygen sensor (H02S) 2, bank 2 heater control -circuit malfunction | Fuse, wiring, H02S, ECM |
| P1163 | HO2S Bank 2 Sensor 3 Lean System Or Low Voltage | |
| P1164 | HO2S Bank 2 Sensor 3 Rich Or High Voltage | |
| P1165 | HO2S Cross Counts Bank 2 Sensor 3 | |
| P1170 | Bank To Bank Fuel Trim Offset | |
| P1171 | Fuel System Lean During Acceleration | |
| P1172 | Fuel level sensors, primary & secondary sensorno fuel level change during fuel transfer from secondary to primary tank | Wiring, secondary fuel pump/relay, fuel levelsensors |
| P1174 | Heated oxygen sensor (H02S) 1, bank 1 mixture variation between cylinders | Intake/exhaust leak/blockage, mechanical fault, ignition control, H02S |
| P1175 | Heated oxygen sensor (H02S) 2, bank 2 mixture variation between cylinders | Intake/exhaust leak/blockage, mechanical fault, ignition control, H02S |
| P1182 | Supercharger (SC) boost pressure sensormalfunction | Wiring, intake/exhaust leak/blockage, SC boost pressure sensor, SC bypass valve, BARO sensor,IAT sensor, MAP sensor, MAF sensor, ECM |
| P1183 | Supercharger (SC) boost pressure sensorvoltage low | Wiring, SC boost pressure sensor, ECM |
| P1184 | Supercharger (SC) boost pressure sensorvoltage high | Wiring, SC boost pressure sensor, ECM |
| P1185 | Engine Oil Temperature Sensor Circuit | |
| P1186 | Engine Oil Temperature Sensor Circuit Performance | |
| P1187 | Engine Oil Temperature Sensor Circuit Low Voltage | |
| P1188 | Engine Oil Temperature Sensor Circuit High Voltage | |
| P1189 | Engine oil pressure waming switch -circuit malfunction | Wiring open circuit, engine oil pressure warning switch, ECM |
| P1190 | Engine Vacuum Leak | |
| P1191 | Intake Air Duct Air Leak | |
P1200 – P1299 (Fuel and air metering – injector circuit) | | P1200 | Fuel Injector Circuit | |
| P1201 | Gas Mass Sensor Circuit Range/Performance | |
| P1202 | Gas Mass Sensor Circuit Low Frequency | |
| P1203 | Gas Mass Sensor Circuit High Frequency | |
| P1211 | Mass Air Flow Circuit Intermittent High | |
| P1212 | Mass Air Flow Circuit Intermittent Low | |
| P1214 | Injection Pump Timing Offset | |
| P1215 | Generator Driver Circuit Conditions | |
| P1216 | Fuel Solenoid Response Time Too Short Conditions | |
| P1217 | Fuel Solenoid Response Time Too Long | |
| P1218 | Injection Pump Calibration Circuit | |
| P1219 | Throttle Position Sensor Refernce Voltage | |
| P1220 | Throttle motor position sensor 2 -circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, throttle control unit, ECM |
| P1221 | Throttle motor position sensor 1/2 -signal variation | Wiring, throttle control unit, ECM |
| P1222 | Injector Control Circuit 1 Intermittent | |
| P1225 | Injector Circuit Cylinder 2 Intermittent | |
| P1228 | Injector Circuit Cylinder 3 Intermittent | |
| P1231 | Injector Circuit Cylinder 4 Intermittent | |
| P1234 | Injector Circuit Cylinder 5 Intermittent | |
| P1237 | Injector Circuit Cylinder 6 Intermittent | |
| P1240 | Injector Circuit Cylinder 7 Intermittent | |
| P1243 | Injector Circuit Cylinder 8 Intermittent | |
| P1245 | Intake Plenum Switchover Valve | |
| P1250 | Early Fuel Evaporation Heater Circuit | |
| P1251 | Fuel pump control module -malfunction | Wiring, fuel pump control module |
| P1252 | Fuel pump -diagnostic signal incorrect | Wiring, fuel pump control module |
| P1253 | Fuel pump -diagnostic signal short to ground | Wiring, fuel pump control module |
| P1254 | Fuel pump -diagnostic signal open circuit/short to voltage/short to ground | Wiring, fuel pump control module, ECM |
| P1255 | Fuel pump control module -driver over-temperature | Fuel pump control module |
| P1257 | Supercharger System Overboost | |
| P1258 | Engine overheating | Cooling system, ECT sensor |
| P1260 | Fuel Pump Speed Relay Control Circuit Conditions | |
| P1270 | Accelerator Pedal Position Sensor A/D Converter Error | |
| P1271 | Accelerator pedal position (APP) sensor 1/2signal variation | Wiring, APP sensor, ECM |
| P1272 | Accelerator Pedal Position Sensor 2-3 Correlation | |
| P1273 | Accelerator Pedal Position Sensor 1-3 Correlation | |
| P1274 | Injectors Wired Incorrectly | |
| P1275 | Accelerator pedal position (APP) sensor 1 circuitmalfunction | Wiring open circuit/short circuit to ground/short circuit to positive, APP sensor, ECM |
| P1276 | Accelerator pedal position (APP) sensor 1 rangeperformance | Wiring, APP sensor, ECM |
| P1277 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | |
| P1278 | Accelerator Pedal Position Sensor 1 Circuit High Voltage | |
| P1280 | Accelerator pedal position (APP) sensor 2 circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, APP sensor, ECM |
| P1281 | Accelerator pedal position (APP) sensor 2 rangeperformance | Wiring, APP sensor, ECM |
| P1282 | Accelerator Pedal Position Sensor 2 Circuit Low Voltage | |
| P1283 | Accelerator Pedal Position Sensor 2 Circuit High Voltage | |
| P1285 | Accelerator pedal position (APP) sensor 3 circuitmalfunction | Wiring, APP sensor, ECM |
| P1286 | Accelerator pedal position (APP) sensor 3 rangeperformance | Wiring, APP sensor, ECM |
| P1287 | Accelerator Pedal Position Sensor 3 Circuit Low Voltage | |
| P1288 | Accelerator Pedal Position Sensor 3 Circuit High Voltage | |
P1300 – P1399 (Ignition system or misfire) | | P1300 | Ignition Coil 1 Primary Feedback Circuit | |
| P1305 | Ignition Coil 2 Primary Feedback Circuit | |
| P1310 | Ignition Coil 3 Primary Feedback Circuit | |
| P1315 | Ignition Coil 4 Primary Feedback Circuit | |
| P1320 | Ignition control module (ICM) -4X reference circuit, intermittent | Wiring open circuit/short circuit to ground, ICM, ECM |
| P1321 | Electronic Ignition System Fault Line | |
| P1322 | EI System Or Ignition Control Missing | |
| P1323 | Ignition control module (ICM) -24X referencecircuit, low frequency | Wiring open circuit/short circuit to ground, ICM, ECM |
| P1324 | Crank RPM Too Low | |
| P1335 | Crankshaft Position Circuit | |
| P1336 | Crankshaft position (CKP) sensor -variation not learned | Learning procedure not performed |
| P1345 | Crankshaft position (CKP) sensor/camshaft position (CMP) sensor -signal variation | CKP sensor, distributor/camshaft alignment, mechanical fault |
| P1346 | Intake Camshaft Position Sensor System Performance | |
| P1349 | Intake Camshaft Position System Conditions | |
| P1350 | Ignition control module (ICM) -bypass line monitor circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, ICM, ECM |
| P1351 | Ignition control module (ICM) -ignition control (IC)circuit, voltage high | Wiring open circuit, ICM, ECM |
| P1352 | Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 2 | |
| P1353 | Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 3 | |
| P1354 | Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 4 | |
| P1355 | Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 5 | |
| P1356 | Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 6 | |
| P1357 | Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 7 | |
| P1358 | Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 8 | |
| P1359 | Ignition control module (ICM) bank 1 -circuit malfunction | Wiring open circuit/short circuit to positive, ICM,ECM |
| P1360 | Ignition control module (ICM) bank 2 -circuit malfunction | Wiring open circuit/short circuit to positive, ICM,ECM |
| P1361 | Ignition control module (ICM) -ignition control (IC) circuit, voltage low | Wiring short circuit to ground, ICM, ECM |
| P1362 | Ignition Control Module Bypass Circuit Low Input | |
| P1363 | Ignition Control Cylinder 3 Not Toggling After Enable | |
| P1364 | Ignition Control Cylinder 4 Not Toggling After Enable | |
| P1365 | Ignition Control Cylinder 5 Not Toggling After Enable | |
| P1366 | Ignition Control Cylinder 6 Not Toggling AFter Enable | |
| P1367 | Ignition Control Cylinder 7 Not Toggling After Enable | |
| P1368 | Ignition Control Cylinder 8 Not Toggling After Enable | |
| P1370 | Ignition control module (ICM) -4X reference circuit, too many pulses | Wiring, electromagnetic interference, ICM |
| P1371 | Ignition control module (ICM) -4X reference circuit, too few pulses | Wiring, electromagnetic interference, ICM |
| P1372 | Crankshaft pOSition (CKP) sensor | Wiring open circuit/short circuit to ground/short circuit to positive, CKP, ECM |
| P1374 | 3X Reference Circuit | |
| P1375 | Ignition control module (ICM) -24X reference circuit, voltage high | Wiring open circuit/short circuit to ground/short circuit to positive, CKP sensor(s), ICM |
| P1376 | Ignition control module (ICM) -ground circuit | Wiring open circuit/short circuit to pOSitive,ground lead defective, ICM |
| P1377 | Ignition control module (ICM) cam pulse/4X reference pulse | Wiring open circuit/short circuit to ground, electromagnetic interference, valve timing |
| P1380 | Rough road signal -signal error | ABS control module trouble code(s) stored |
| P1381 | Rough road signal -no communication from antilock brake system (ASS) CAN data bus | Wiring open circuit, ABS system |
| P1390 | Wheel Speed Sensor 1 G-Sensor Circuit | |
| P1391 | Wheel Speed Sensor 1 G-Sensor Circuit Performance | |
| P1392 | Wheel Speed Sensor 1 G-Sensor Circuit Low Voltage | |
| P1393 | Wheel Speed Sensor 1 G-Sensor Circuit High Voltage | |
| P1394 | Wheel Speed Sensor 1 G-Sensor Circuit Intermittent | |
| P1395 | Wheel Speed Sensor 2 G-Sensor Circuit | |
| P1396 | Wheel Speed Sensor Circuit | |
| P1397 | Wheel Speed Sensor 2 G-Sensor Circuit Low Voltage | |
| P1398 | Wheel Speed Sensor 2 G-Sensor Circuit High Voltage | |
| P1399 | Wheel Speed Sensor 2 G-Sensor Circuit Intermittent | |
P1400 – P1499 (Emission control) | | P1400 | Cold start emission control -malfunction | Intake/exhaust leak/blockage, mechanical fault, idle speed control (ISC) system, ignition control, engine coolant temperature (ECT) sensor, H02S |
| P1403 | Exhaust Gas Recirculation System Valve 1 | |
| P1404 | Exhaust gas recirculation (EGR) valve -stuck open | Wiring open circuit/short circuit to positive, EGR valve position sensor, EGR solenoid |
| P1405 | Exhaust Gas Recirculation System Valve 3 | |
| P1406 | Exhaust gas recirculation (EGR) valve position sensor circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, EGR valve position sensor, EGR valve |
| P1407 | EGR Air Intrusion In Exhaust Supply To EGR Valve | |
| P1408 | Intake Manifold Pressure Sensor Circuit | |
| P1409 | EGR Vacuum System Leak | |
| P1410 | Fuel Tank Pressure System | |
| P1415 | Secondary air injection (AIR) system, bank 1 | Wiring, hoses blocked/leaking, AIR valve |
| P1416 | Secondary air injection (AIR) system, bank 2 | Wiring, hoses blocked/leaking, AIR valve, AIR pump relay |
| P1418 | Secondary Air Injection System Relay 'A' Control Circuit High | |
| P1420 | Intake Air Low Pressure Switch Circuit Low Voltage | |
| P1421 | Intake Air Low Pressure Switch Circuit High Voltage | |
| P1423 | Intake Air High Pressure Switch Circuit High Voltage | |
| P1431 | Fuel Level Sensor 2 Circuit Performance | |
| P1432 | Fuel Level Sensor 2 Circuit Low Voltage | |
| P1433 | Fuel Level Sensor 2 Circuit High Voltage | |
| P1441 | Evaporative emission (EVAP) system -leak detected | Hose connection(s), EVAP canister, EVAP canister purge valve |
| P1442 | EVAP Vacuum Switch High Voltage During Ignition On | |
| P1450 | Barometric Pressure Sensor Circuit | |
| P1451 | Barometric Pressure Sensor Performance | |
| P1460 | Misfire -low fuel level | Fuel level low, misfire |
| P1480 | Cooling Fan 1 Control Circuit High | |
| P1481 | Cooling Fan Speed Signal Lost | |
| P1482 | Cooling Fan Circuit Condition | |
| P1483 | Engine cooling system -performance | Cooling system, ECT sensor, IAT sensor |
| P1484 | Cooling Fan RPM Signal Malfunction | |
P1500 – P1599 (Vehicle or idle speed control) | | P1500 | Starter Signal Circuit | |
| P1501 | Immobilizer control module -circuit malfunction | Wiring open circuit/short circuit to ground/short circuit to positive, MIL circuit |
| P1502 | Immobilizer control module -fuel enable signal | Wiring open circuit/short circuit to ground/short circuit to positive, immobilizer control module, ECM |
| P1503 | Immobilizer control module -fuel enable signal | Incorrect ignition key, wiring open circuit/short circuit to ground/short circuit to positive, immobilizer control module, ECM |
| P1504 | Vehicle Speed Output Circuit | |
| P1508 | Idle air control (lAC) valve -low rpm | Wiring open circuit/short circuit to ground/short circuit to positive, lAC valve, throttle valve tight/sticking |
| P1509 | Idle air control (lAC) valve -high rpm | Wiring open circuit/short circuit to ground/short circuit to positive, lAC valve, throttle valve tight/sticking |
| P1510 | Throttle position motor -throttle limitation active | Wiring open circuit/short circuit to ground/short circuit to positive, throttle control unit, ECM |
| P1511 | Throttle position motor -limp home system performance | Throttle valve tight/sticking, TP sensor, wiring, throttle control unit, ECM |
| P1514 | Intake air flow -excessive flow | Throttle control unit, MAP sensor, CMP sensor signal, ECM |
| P1515 | Throttle command/actual throttle position signal variation | Wiring, throttle valve sticking, throttle control unit, ECM |
| P1516 | Throttle command/actual throttle position -signal variation | Wiring, throttle valve sticking, throttle control module |
| P1517 | Throttle control module -malfunction | Throttle control module |
| P1518 | Throttle control module/engine control module (ECM) -communication malfunction | Wiring, throttle control module, ECM |
| P1519 | Throttle position motor -circuit malfunction | Wiring open circuit/short circuit to ground, throttle control unit, ECM |
| P1520 | Park/neutral position (PNP) switch/transmission range (TR) switch | Wiring short circuit to ground, incorrectly adjusted, PNP switchlTR switch, ECM |
| P1521 | Transmission Engaged At High Throttle Angle | |
| P1522 | Park/Neutral To Drive/Reverse At High RPM | |
| P1523 | Throttle position motor -closed position performance | Throttle valve tight/sticking, TP sensor, wiring open circuit/short circuit to ground, throttle control unit,ECM |
| P1524 | Throttle pOSition (TP) sensor -leamed closed throttle angle | Accelerator cable adjustment, throttle valve tight/sticking, throttle valve incorrectly adjusted |
| P1525 | Throttle Body Service Required | |
| P1526 | Minimum throttle position not leamed | Initial learn procedure not carried out |
| P1527 | Transmission range (TR) switch/transmission fluid pressure (TFP) switch -signal variation | Incorrectly adjusted TR switch, wiring open circuit/short circuit to ground, TR switch, TFP switch, ECM |
| P1528 | Governor | |
| P1529 | Heated Windshield Request Problem | |
| P1530 | Throttle position motor -circuit malfunction | Wiring open circuit/short circuit to ground, TP sensor, throttle control unit, ECM |
| P1531 | A/C Low Side Temperature Sensor Fault | |
| P1532 | A/C Evaporator Temperature Sensor Circuit Low Voltage | |
| P1533 | A/C Evaporator Temperature Sensor Circuit High Voltage | |
| P1534 | A/C High Side Temperature Sensor Low Voltage | |
| P1535 | A/C High Side Temperature Sensor Circuit | |
| P1536 | Engine Coolant Overtemperature Air Conditioning Disabled | |
| P1537 | A/C Request Circuit Low Voltage | |
| P1538 | A/C Request Circuit High Voltage | |
| P1539 | A/C Clutch Status High Input | |
| P1540 | A/C System High Pressure | |
| P1541 | A/C High Side Over Temperature | |
| P1542 | A/C System High Pressure High Temperature | |
| P1543 | A/C System Performance | |
| P1544 | A/C Refrigerant Condition Very Low | |
| P1545 | AlC compressor clutch relay -circuit malfunction | Wiring open circuit/short circuit to ground, AlC compressor clutch relay, ECM |
| P1546 | Air Conditioning Clutch Feedback Circuit Low Voltage | |
| P1547 | A/C System Performance Degraded | |
| P1548 | A/C Recirculation Circuit | |
| P1550 | Stepper Motor Cruise Control Fault | |
| P1551 | Throttle valve -rest position incorrect | Wiring, throttle body mechanical fault, throttle body, ECM |
| P1554 | Cruise control status circuit -high voltage | Wiring open circuit/short circuit to ground, cruise control module, ECM |
| P1555 | Electronic Variable Orifice Output | |
| P1558 | Cruise Control Servo Indicates Low | |
| P1559 | Cruise Control Power Management Mode | |
| P1560 | Cruise control -transmission not in drive | Driver error, TFP switch circuit |
| P1561 | Cruise Vent Solenoid | |
| P1562 | Cruise Vacuum Solenoid | |
| P1563 | Cruise Vehicle Speed/Set Speed Difference Too High | |
| P1564 | Cruise control -acceleration too high | Slippery road conditions |
| P1565 | Cruise Servo Position Sensor | |
| P1566 | Cruise control -engine speed too high | Slippery road conditions, transmission mechanical fault |
| P1567 | Cruise control -active brake control system active, cruise control disabled | Active brake control system engaged with cruise control on |
| P1568 | Cruise Servo Stroke Greater Than Commanded In Cruise | |
| P1569 | Cruise Servo Stroke High While Not In Cruise | |
| P1570 | Cruise control -traction control system (TCS) active, cruise control disabled | Slippery road surface |
| P1571 | Traction control system (TCS), torque request circuit | Wiring open circuit/short circuit to groundl short circuit to positive, ABS control module trouble code(s) stored, ECM |
| P1572 | ASR Active Circuit Low Too Long | |
| P1573 | TCS Loss Of ABS/TCS Serial Data | |
| P1574 | Brake pedal position (BPP) switch -voltage high | Wiring, ABS |
| P1575 | Brake pedal position (BPP) switch -extended travel contacts -voltage high | Wiring, ABS |
| P1576 | Brake boost vacuum sensor voltage high | Wiring open circuit/short circuit to positive, ECM |
| P1577 | Brake boost vacuum sensor -.voltage low | Wiring open circuit/short circuit to ground, ECM |
| P1578 | Brake boost vacuum sensor -vacuum low | Wiring open circuit/short circuit to ground, vacuum leak, ECM |
| P1579 | Transmission shifted from PIN to O/R at high throttle angle | Driver error, wiring, TR switch |
| P1580 | Cruise Move Circuit Low Voltage | |
| P1581 | Cruise Control Module Move Circuit High Input Conditions | |
| P1582 | Cruise Control Module Direction Low Input Conditions | |
| P1583 | Cruise Direction Circuit High Volume | |
| P1584 | Cruise Control Disabled | |
| P1585 | Cruise control system -inhibit output circuit | Wiring open circuit/short circuit to ground/short circuit to positive, supply wire, cruise control motor/actuator, ECM |
| P1586 | Cruise Control Brake Switch 2 Circuit Conditions | |
| P1587 | Cruise Control Clutch Control Circuit Low | |
| P1588 | Cruise Control Clutch Control Circuit High | |
| P1599 | Engine stall or near stall detected | ECM trouble code(s) stored, mechanical fault,transmission mechanical fault |
P1600 – P1699 (ECM – computer output circuit) | | P1600 | Engine control module (ECM) -malfunction | Engine control module (ECM) |
| P1601 | Engine control module (ECM) -temperature high | Module cooling fan, ECM |
| P1602 | CAN data bus -antilock brake system (ABS)/ traction control system (TCS) | Wiring, ABS control module trouble code(s) stored |
| P1603 | CAN data bus -sensing/diagnostic module (SOM) | Wiring |
| P1604 | CAN data bus -instrument panel | Wiring, BCM trouble code(s) stored |
| P1605 | CAN data bus –NC | Wiring, AlC system trouble code(s) stored |
| P1606 | Serial Communication Problem With Device 6 | |
| P1607 | Serial Communication Problem With Devise 7 | |
| P1608 | Serial Communication Problem With Device 8 | |
| P1609 | Loss Of TCS Serial Data | |
| P1610 | CAN data bus -body control module (BCM) | Wiring, BCM trouble code(s) stored |
| P1611 | Suspension control module | Wiring open circuit/short circuit to ground/short circuit to positive, suspension control module,ECM |
| P1612 | Instrumentation control module | Wiring open circuit/short circuit to ground/short circuit to positive, instrumentation control module,ECM |
| P1613 | Dash integration module, data bus | Wiring open circuit/short circuit to ground/short circuit to positive, dash integration module, ECM |
| P1614 | Rear integration module, data bus | Wiring open circuit/short circuit to ground/short circuit to positive, rear integration module, ECM |
| P1615 | Immol;1i1izer control module, data bus | Wiring open circuit/short circuit to ground/short circuit to positive, immobilizer control module,ECM |
| P1617 | Engine oil level switch -circuit malfunction | Wiring short circuit to ground, engine oil level, ECM |
| P1619 | Engine Oil Life Monitor Reset Circuit | |
| P1620 | Low Engine Coolant Circuit Conditions | |
| P1621 | Engine control module (ECM) -memory performance | ECM |
| P1622 | Cylinder Select | |
| P1623 | Transmission Fluid Temperature Sensor Pullup Resistor Circuit Conditions | |
| P1624 | Customer snapshot function operated | ECM trouble codes stored |
| P1625 | PCM Flash Checksum TCM Conditions | |
| P1626 | Immobilizer control module | Wiring, BCM trouble code(s) stored |
| P1627 | Engine control module (ECM) -malfunction | Engine control module (ECM) |
| P1628 | Powertrain Control Module Engine Control Temperature Pullup Resistor Conditions | |
| P1629 | Theft Deterrent Start Enable Signal Not Received | |
| P1630 | Engine control module (ECM), immobilizer code leaming mode | Immobilizer code not programmed |
| P1631 | Engine control module (ECM) -incorrect immobilizer code | Incorrect key, immobilizer code not programmed |
| P1632 | Engine control module (ECM), fuel disable signal | Fuses, BCM, immobilizer code |
| P1633 | Engine control module (ECM), ignition supply voltage | Fuse, wiring open circuit, ECM |
| P1634 | Engine control module (ECM) -ignition supply voltage -voltage low | Wiring open circuit, ECM |
| P1635 | Sensor supply voltage -circuit A malfunction | Wiring short circuit to ground/positive, ground wiring open circuit, EGR valve position sensor,MAP sensor, ECM |
| P1636 | PCM Stack Overrun | |
| P1637 | Alternator ‘L’ terminal, circuit malfunction | Wiring, alternator, ECM |
| P1638 | Alternator ‘F’ terminal -circuit malfunction | Wiring open circuit/short circuit to ground, alternator, ECM |
| P1639 | Sensor supply voltage -circuit B malfunction | Wiring short circuit to ground/positive, ground wiring open circuit, FTP sensor, TP sensor, ECM |
| P1640 | Engine control module, output driver 1 -supply voltage high | Wiring, loose alternator connection, alternator |
| P1641 | Malfunction indicator lamp (MIL) -circuit malfunction | Wiring open circuit/short circuit to ground, MIL, supply wire, ECM |
| P1642 | Vehicle speed sensor (VSS) -circuit malfunction | Wiring open circuit/short circuit to groundlshort circuit to positive, VSS, ECM |
| P1643 | Wait To Start Lamp Control Circuit Conditions | |
| P1644 | Delivered torque -circuit malfunction | Wiring open circuit/short circuit to groundlshort circuit to positive, ABS trouble codes stored, ECM |
| P1645 | Evaporative emission (EVAP) canister purge valve -circuit malfunction | Wiring open circuit/short circuit to ground, EVAP canister purge valve, ECM |
| P1646 | Evaporative emission (EVAP) canister purge valve-circuit malfunction | Wiring open circuit/short circuit to ground, EVAP canister purge valve, ECM |
| P1647 | Driver 1 Line 7 | |
| P1648 | Anti-Theft Device Wrong Security Code | |
| P1650 | Engine control module, output driver 2 -supply voltage high | Wiring, loose alternator connection, alternator |
| P1651 | Fan 1 Relay Control Circuit | |
| P1652 | Suspension control module -engine control module (ECM), accelerationlbraking signal malfunction | Wiring open circuit/short circuit to groundlshort circuit to positive, suspension control module, ECM |
| P1653 | EGR Vent Solenoid Control Circuit Conditions | |
| P1654 | Cruise control disable circuit -circuit malfunction | Wiring open circuit/short circuit to groundlshort circuit to positive, cruise control module, ECM |
| P1655 | EVAP Purge Solenoid Control Circuit | |
| P1656 | Intake Camshaft Actuator Control Circuit | |
| P1657 | Skip Shift 1 To 4 Upshift System Control Circuit | |
| P1658 | Starter Enable Relay Control Circuit | |
| P1660 | Engine coolant blower motor relay(s) -circuit malfunction | Wiring open circuit/short circuit to ground, engine coolant blower motor relay(s), ECM |
| P1661 | MIL Control Circuit Conditions | |
| P1662 | Cruise control indicator lamp -circuit malfunction | Fuse, wiring, cruise control indicator lamp, ECM |
| P1663 | Change Oil Lamp Control Circuit Conditions | |
| P1664 | Skip Shift 1-4 Upshift Lamp Control Circuit | |
| P1665 | EVAP Vent Solenoid Control Circuit Conditions | |
| P1666 | Driver 3 Line 6 | |
| P1667 | Reverse Inhibit Solenoid Control Circuit | |
| P1668 | Alternator ‘L’ terminal -circuit malfunction | Wiring, voltage regulator, alternator, ECM |
| P1669 | ABS Unit Expected | |
| P1670 | Quad Driver Module 'C' Fault Detected Conditions | |
| P1671 | Quad Driver Module 'C' Fault Detected Conditions | |
| P1672 | Low Engine Oil Level Lamp Control Circuit | |
| P1673 | EVAP Vent Solenoid Control Circuit Conditions | |
| P1674 | Tachometer Control Circuit | |
| P1675 | EVAP Vent Solenoid Control Circuit | |
| P1676 | EVAP Canister Purge Solenoid Control Circuit Fault | |
| P1677 | Immobilizer Function Deactivated | |
| P1678 | ECM -in~ernal circuit malfunction, heated oxygen sensor (H02S) 1, bank 2 | ECM |
| P1679 | Immobilizer Environment Identification Failed | |
| P167A | ECM -internal circuit malfunction, heated oxygen sensor (H02S) 1, bank 1 | ECM |
| P1680 | Engine control module (ECM) malfunction | Engine control module (ECM) |
| P1681 | Engine control module (ECM) -malfunction | Engine control module (ECM) |
| P1682 | Engine control (EC) relay/starter motor relay voltage correlation malfunction | Wiring, fuse(s), EC relay, starter motor relay, ECM |
| P1683 | Engine control module (ECM) -malfunction | Engine control module (ECM) |
| P1684 | Transmission Control Module Power Up Temperature Sensor Performance | |
| P1685 | Transmission Control Module Power Up Temperature Sensor Circuit Low Voltage | |
| P1686 | Transmission Control Module Power Up Temperature Sensor Circuit High Voltage | |
| P1687 | Driver 5 Line 7 | |
| P1689 | Traction Control Delivered Torque Output Circuit Conditions | |
| P1690 | Engine Control Module Loop Overrun | |
| P1691 | Coolant Gauge Circuit Conditions | |
| P1692 | Coolant Gauge Circuit High Voltage | |
| P1693 | Tachometer Circuit Conditions | |
| P1694 | Tachometer Circuit High Voltage | |
| P1695 | Remote Keyless Entry Circuit Low Input Conditions | |
| P1696 | Remote Keyless Entry Circuit High Input Conditions | |
P1700 – P1799 (Transmission) | | P1700 | Transmission control module (TCM) -MIL request circuit malfunction | OBO II TCM trouble codes stored |
| P1701 | Transmission control module (TCM) -MIL request circuit | Wiring open circuit/short circuit to groundlpositive, ECM |
| P1705 | Park Neutral Output Circuit Conditions | |
| P1713 | Transmission Fluid Pressure Sensor/Switch | |
| P1740 | Transmission control module (TCM) -torque control circuit | Wiring open circuit/short circuit to groundlpositive,TCM, ECM |
| P1743 | Throttle Position Invalid Signal | |
| P1760 | Transaxle Control Module Supply Voltage Interrupted | |
| P1779 | Engine Torque Delivered To TCM Signal | |
| P1780 | Park Neutral Position Switch Circuit | |
| P1781 | Engine Torque Signal Circuit | |
| P1790 | Transmission Control Module Checksum | |
| P1791 | Transmission Control Module Loop | |
| P1792 | ECM to TCM Engine Coolant Signal | |
| P1793 | Transmission Control Module Stack Overrun | |
| P1795 | Throttle Body Position | |
P1800 – P1899 (Transmission) | | P1800 | ECM to TCM Engine Coolant Signal | |
| P1801 | Performance Selector Switch Failure | |
| P1804 | Ground Control Relay | |
| P1810 | Transmission Fluid Pressure Valve Position Switch Circuit | |
| P1811 | Maximum Adaptive & Long Term Shift | |
| P1812 | Transmission Fluid Overtemperature | |
| P1813 | Torque Control Solenoid Malfunction | |
| P1814 | Torque Converter Overstressed | |
| P1815 | A/T Range Sensor Circuit Malfunction | |
| P1816 | Transmission Fluid Pressure Valve Position Switch-Park/Neutral With Drive Ratio | |
| P1817 | Transmission Neutral Safety Switch Open Circuit | |
| P1818 | Transmission Fluid Pressure Valve Position Switch-Drive Without Drive Ratio | |
| P1819 | Internal Mode Switch | |
| P1820 | Internal Mode Switch Circuit 'A' Low | |
| P1822 | Internal Mode Switch Circuit 'B' Low | |
| P1823 | Internal Mode Switch Circuit 'P' Low | |
| P1824 | Internal Mode Switch 'P' Circuit High Voltage | |
| P1825 | Internal Mode Switch Invalid Range | |
| P1826 | Internal Mode Switch Circuit 'C' High | |
| P1831 | PC Solenoid Power Circuit Low Voltage | |
| P1833 | A/T Solenoids Power Circuit Low Voltage | |
| P1835 | Kick-Down Switch Circuit | |
| P1836 | Kick-Down Switch Failed Open | |
| P1837 | Kick-Down Switch Failed Short | |
| P1838 | Internal Mode Switch 'A' Circuit High Voltage | |
| P1839 | Internal Mode Switch 'C' Circuit Low Voltage | |
| P1840 | Internal Mode Switch 'S' Circuit Low Voltage | |
| P1841 | Internal Mode Switch 'S' Circuit High Voltage | |
| P1842 | 1-2 Shift Solenoid Circuit Low Input Voltage | |
| P1843 | 1-2 Shift Solenoid Circuit High Input Voltage | |
| P1844 | Transmission Fluid Pressure Sensor/Switch 'A' Circuit Intermittent | |
| P1845 | Torque limit management | Other trouble codes stored, ECM |
| P1847 | 2-3 Shift Solenoid Circuit High Input Voltage | |
| P1850 | Brake Band Apply Solenoid Circuit | |
| P1851 | Brake Band Apply Solenoid Performance | |
| P1852 | Brake Band Apply Solenoid Low Input Voltage | |
| P1853 | Brake Band Apply Solenoid High Input Voltage | |
| P1860 | TCC PWM Solenoid Circuit Electrical | |
| P1864 | Torque Converter Clutch Enable Solenoid Electrical Fault Conditions | |
| P1868 | Transmission Fluid Life Conditions | |
| P1870 | Transmission Component Slipping | |
| P1871 | Undefined Gear Ratio | |
| P1873 | Torque Converter Clutch Stator Temperature Switch Circuit Low | |
| P1874 | Torque Converter Clutch Stator Temperature Switch Circuit High | |
| P1875 | 4WD Low Switch Circuit Electrical | |
| P1884 | TCC Enable/Shift Light Circuit | |
| P1886 | Transaxle Shift Timing Solenoid Performance | |
| P1887 | Torque Converter Clutch Release Switch Circuit | |
| P1890 | Throttle Position Signal Input | |
| P1891 | Throttle Position Sensor PWM Signal Low | |
| P1892 | Throttle Position Sensor PWM Signal High | |
| P1893 | Engine Torque Signal Low Voltage | |
| P1894 | Engine Torque Signal High Voltage | |
| P1895 | Engine Torque Delivered Circuit | |
| P1915 | Internal Mode Switch Start/Wrong Range | |
