Diagnostic Trouble Code (DTC) Definitions
| DTC | Definitions |
|---|---|
| P0102 | Mass Air Flow (MAF) sensor circuit low input |
| P0103 | Mass Air Flow (MAF) sensor circuit high input |
| P0106 | Barometric Pressure (BP) sensor circuit performance |
| P0107 | Barometric Pressure (BP) sensor circuit low input |
| P0108 | Barometric Pressure (BP) sensor circuit high input |
| P0112 | Intake Air Temperature (IAT) sensor circuit low input |
| P0113 | Intake Air Temperature (IAT) sensor circuit high input |
| P0117 | Engine Coolant Temperature (ECT) sensor circuit low input |
| P0118 | Engine Coolant Temperature (ECT) sensor circuit high input |
| P0121 | In-range operating Throttle Position (TP) sensor circuit failure |
| P0122 | Throttle Position (TP) sensor circuit low input |
| P0123 | Throttle Position (TP) sensor circuit high input |
| P0125 | Insufficient coolant temperature to enter closed loop fuel control |
| P0131 | Upstream Heated Oxygen Sensor (HO2S 11) circuit out of range low voltage (Bank #1) |
| P0133 | Upstream Heated Oxygen Sensor (HO2S 11) circuit slow response (Bank #1) |
| P0135 | Upstream Heated Oxygen Sensor Heater (HTR 11) circuit malfunction (Bank #1) |
| P0136 | Downstream Heated Oxygen Sensor (HO2S 12) circuit malfunction (Bank #1) |
| P0141 | Downstream Heated Oxygen Sensor Heater (HTR 12) circuit malfunction (Bank #1) |
| P0151 | Upstream Heated Oxygen Sensor (HO2S 21) circuit out of range low voltage (Bank #2) |
| P0153 | Upstream Heated Oxygen Sensor (HO2S 21) circuit slow response (Bank #2) |
| P0155 | Upstream Heated Oxygen Sensor Heater (HTR 21) circuit malfunction (Bank #2) |
| P0156 | Downstream Heated Oxygen Sensor (HO2S 22) circuit malfunction (Bank #2) |
| P0161 | Downstream Heated Oxygen Sensor Heater (HTR 22) circuit malfunction (Bank #2) |
| P0171 | System (adaptive fuel) too lean (Bank #1) |
| P0172 | System (adaptive fuel) too rich (Bank #1) |
| P0174 | System (adaptive fuel) too lean (Bank #2) |
| P0175 | System (adaptive fuel) too rich (Bank #2) |
| P0176 | Fuel Composition sensor (FCS) circuit malfunction |
| P0182 | Fuel Temperature sensor A circuit low input |
| P0183 | Fuel Temperature sensor A circuit high input |
| P0187 | Fuel Temperature sensor B circuit low input |
| P0188 | Fuel Temperature sensor B circuit high input |
| P0191 | Injector Pressure sensor circuit performance |
| P0192 | Injector Pressure sensor circuit low input |
| P0193 | Injector Pressure sensor circuit high input |
| P0222 | Throttle Position Sensor B (TP-B) circuit low input |
| P0223 | Throttle Position Sensor B (TP-B) circuit high input |
| P0230 | Fuel Pump primary circuit malfunction |
| P0231 | Fuel Pump secondary circuit low |
| P0232 | Fuel Pump secondary circuit high |
| P0300 | Random Misfire detected |
| P0301 | Cylinder #1 Misfire detected |
| P0302 | Cylinder #2 Misfire detected |
| P0303 | Cylinder #3 Misfire detected |
| P0304 | Cylinder #4 Misfire detected |
| P0305 | Cylinder #5 Misfire detected |
| P0306 | Cylinder #6 Misfire detected |
| P0307 | Cylinder #7 Misfire detected |
| P0308 | Cylinder #8 Misfire detected |
| P0320 | Ignition Engine Speed (Profile Ignition Pickup (PIP)) input circuit malfunction |
| P0325 | Knock Sensor (KS) 1 circuit malfunction |
| P0326 | Knock Sensor (KS) 1 circuit performance |
| P0331 | Knock Sensor (KS) 2 circuit malfunction |
| P0331 | Knock Sensor (KS) 2 circuit performance |
| P0340 | Camshaft Position (CMP) sensor circuit malfunction (CID) |
| P0350 | Ignition Coil primary circuit malfunction |
| P0351 | Ignition Coil A primary circuit malfunction |
| P0352 | Ignition Coil B primary circuit malfunction |
| P0353 | Ignition Coil C primary circuit malfunction |
| P0354 | Ignition Coil D primary circuit malfunction |
| P0385 | Crankshaft Position (CKP) sensor malfunction |
| P0400 | Exhaust Gas Recirculation (EGR) flow malfunction |
| P0401 | Exhaust Gas Recirculation (EGR) flow insufficient detected |
| P0402 | Exhaust Gas Recirculation (EGR) flow excess detected |
| P0411 | Secondary Air Injection system incorrect upstream flow detected |
| P0412 | Secondary Air Injection system switching valve A malfunction |
| P0413 | Secondary Air Injection system switching valve A circuit open |
| P0414 | Secondary Air Injection system switching valve A circuit shorted |
| P0416 | Secondary Air Injection system switching valve B circuit open |
| P0417 | Secondary Air Injection system switching valve B circuit shorted |
| P0420 | Catalyst system efficiency below threshold (Bank #1) |
| P0430 | Catalyst system efficiency below threshold (Bank #2) |
| P0440 | Evaporative emission control system malfunction (Probe) |
| P0442 | Evaporative emission control system small leak detected |
| P0443 | Evaporative emission control system purge control solenoid or vapor management valve circuit malfunction |
| P0446 | Evaporative emission control system Canister Vent (CV) solenoid control malfunction |
| P0452 | Evaporative emission control system Fuel Tank Pressure (FTP) sensor low input |
| P0453 | Evaporative emission control system Fuel Tank Pressure (FTP) sensor high input |
| P0455 | Evaporative emission control system detected a large leak or no purge flow |
| P0500 | Vehicle Speed Sensor (VSS) malfunction |
| P0503 | Vehicle Speed Sensor (VSS) circuit intermittent |
| P0505 | Idle Air Control (IAC) system malfunction |
| P0552 | Power Steering Pressure (PSP) sensor circuit low input |
| P0553 | Power Steering Pressure (PSP) sensor circuit high input |
| P0603 | Powertrain Control Module (PCM) - Keep Alive Memory (KAM) test error |
| P0605 | Powertrain Control Module (PCM) - Read Only Memory (ROM) test error |
| P0703 | Brake On/Off (BOO) switch input malfunction |
| P0704 | Clutch Pedal Position (CPP) switch input circuit malfunction |
| P0707 | Transmission Range (TR) sensor circuit low input |
| P0708 | Transmission Range (TR) sensor circuit high input |
| P0712 | Transmission Fluid Temperature (TFT) sensor circuit low input |
| P0713 | Transmission Fluid Temperature (TFT) sensor circuit high input |
| P0715 | Turbine Shaft Speed (TSS) sensor circuit malfunction |
| P0720 | Output Shaft Speed (OSS) sensor circuit malfunction |
| P0721 | Output Shaft Speed (OSS) sensor performance (noise) |
| P0731 | Incorrect ratio for first gear |
| P0732 | Incorrect ratio for second gear |
| P0733 | Incorrect ratio for third gear |
| P0734 | Incorrect ratio for fourth gear |
| P0736 | Reverse incorrect gear ratio |
| P0741 | Torque Converter Clutch (TCC) mechanical system performance |
| P0743 | Torque Converter Clutch (TCC) electrical system malfunction |
| P0746 | Electronic Pressure Control (EPC) solenoid performance |
| P0750 | Shift Solenoid #1 (SS1) circuit malfunction |
| P0751 | Shift Solenoid #1 (SS1) performance |
| P0755 | Shift Solenoid #2 (SS2) circuit malfunction |
| P0756 | Shift Solenoid #2 (SS2) performance |
| P0760 | Shift Solenoid #3 (SS3) circuit malfunction |
| P0761 | Shift Solenoid #3 (SS3) performance |
| P0781 | 1 to 2 shift error |
| P0782 | 2 to 3 shift error |
| P0783 | 3 to 4 shift error |
| P0784 | 4 to 5 shift error |
| P1000 | OBD II Monitor Testing not complete |
| P1001 | Key On Engine Running (KOER) Self-Test not able to complete. KOER aborted |
| P1100 | Mass Air Flow (MAF) sensor intermittent |
| P1101 | Mass Air Flow (MAF) sensor out of Self-Test range |
| P1112 | Intake Air Temperature (IAT) sensor intermittent |
| P1116 | Engine Coolant Temperature (ECT) sensor out of Self-Test range |
| P1117 | Engine Coolant Temperature (ECT) sensor intermittent |
| P1120 | Throttle Position (TP) sensor out of range low |
| P1121 | Throttle Position (TP) sensor inconsistent with MAF Sensor |
| P1124 | Throttle Position (TP) sensor out of Self-Test range |
| P1125 | Throttle Position (TP) sensor circuit intermittent |
| P1127 | Exhaust not warm enough, downstream Heated Oxygen Sensors (HO2Ss) not tested |
| P1128 | Upstream Heated Oxygen Sensors (HO2Ss) swapped from bank to bank |
| P1129 | Downstream Heated Oxygen Sensors (HO2Ss) swapped from bank to bank |
| P1130 | Lack of upstream Heated Oxygen Sensor (HO2S 11) switch, adaptive fuel at limit (Bank #1) |
| P1131 | Lack of upstream Heated Oxygen Sensor (HO2S 11) switch, sensor indicates lean (Bank #1) |
| P1132 | Lack of upstream Heated Oxygen Sensor (HO2S 11) switch, sensor indicates rich (Bank #1) |
| P1137 | Lack of downstream Heated Oxygen Sensor (HO2S 12) switch, sensor indicates lean (Bank #1) |
| P1138 | Lack of downstream Heated Oxygen Sensor (HO2S 12) switch, sensor indicates rich (Bank #1) |
| P1150 | Lack of upstream Heated Oxygen Sensor (HO2S 21) switch, adaptive fuel at limit (Bank #2) |
| P1151 | Lack of upstream Heated Oxygen Sensor (HO2S 21) switch, sensor indicates lean (Bank #2) |
| P1152 | Lack of upstream Heated Oxygen Sensor (HO2S 21) switch, sensor indicates rich (Bank #2) |
| P1157 | Lack of downstream Heated Oxygen Sensor (HO2S 22) switch, sensor indicates lean (Bank #2) |
| P1158 | Lack of downstream Heated Oxygen Sensor (HO2S 22) switch, sensor indicates rich (Bank #2) |
| P1220 | Series Throttle Control system malfunction |
| P1224 | Throttle Position Sensor B (TP-B) out of Self-Test range |
| P1230 | Fuel Pump low speed malfunction |
| P1231 | Fuel Pump secondary circuit low with high speed pump on |
| P1232 | Low speed Fuel Pump primary circuit malfunction |
| P1233 | Fuel Pump Driver Module disabled or offline |
| P1234 | Fuel Pump Driver Module disabled or offline |
| P1235 | Fuel Pump control out of Self-Test range |
| P1236 | Fuel Pump control out of Self-Test range |
| P1237 | Fuel Pump secondary circuit malfunction |
| P1238 | Fuel Pump secondary circuit malfunction |
| P1260 | THEFT detected - engine disabled |
| P1270 | Engine RPM or vehicle speed limiter reached |
| P1285 | Cylinder Head over temperature sensed |
| P1288 | Cylinder Head Temperature (CHT) sensor out of Self-Test range |
| P1289 | Cylinder Head Temperature (CHT) sensor circuit low input |
| P1290 | Cylinder Head Temperature (CHT) sensor circuit high input |
| P1299 | Engine over temperature condition |
| P1351 | Ignition Diagnostic Monitor (IDM) circuit input malfunction |
| P1356 | PIPs occurred while IDM pulsewidth indicates engine not turning |
| P1357 | Ignition Diagnostic Monitor (IDM) pulsewidth not defined |
| P1358 | Ignition Diagnostic Monitor (IDM) signal out of Self-Test range |
| P1359 | Spark output circuit malfunction |
| P1390 | Octane Adjust (OCT ADJ) out of Self-Test range |
| P1400 | Differential Pressure Feedback EGR (DPFE) sensor circuit low voltage detected |
| P1401 | Differential Pressure Feedback EGR (DPFE) sensor circuit high voltage detected |
| P1405 | Differential Pressure Feedback EGR (DPFE) sensor upstream hose off or plugged |
| P1406 | Differential Pressure Feedback EGR (DPFE) sensor downstream hose off or plugged |
| P1408 | Exhaust Gas Recirculation (EGR) flow out of Self-Test range |
| P1409 | Electronic Vacuum Regulator (EVR) control circuit malfunction |
| P1411 | Secondary Air Injection system incorrect downstream flow detected |
| P1413 | Secondary Air Injection system monitor circuit low voltage |
| P1414 | Secondary Air Injection system monitor circuit high voltage |
| P1442 | Evaporative emission control system small leak detected |
| P1443 | Evaporative emission control system - vacuum system, purge control solenoid or vapor management valve malfunction |
| P1444 | Purge Flow (PF) Sensor circuit low input |
| P1445 | Purge Flow (PF) Sensor circuit high input |
| P1449 | Evaporative emission control system unable to hold vacuum (Probe) |
| P1450 | Unable to bleed up fuel tank vacuum |
| P1451 | Evaporative emission control system vent control solenoid circuit malfunction |
| P1452 | Unable to bleed up fuel tank vacuum |
| P1455 | Evaporative emission control system control leak detected (gross leak) |
| P1460 | Wide Open Throttle Air Conditioning Cut-off (WAC) circuit malfunction |
| P1461 | Air Conditioning Pressure (ACP) sensor circuit low input |
| P1462 | AIr Conditioning Pressure (ACP) sensor circuit high input |
| P1463 | Air Conditioning Pressure (ACP) sensor insufficient pressure change |
| P1464 | Air condition (A/C) demand out of Self-Test range |
| P1469 | Low air conditioning cycling period |
| P1473 | Fan secondary high with fan(s) off |
| P1474 | Low Fan Control primary circuit malfunction |
| P1479 | High Fan Control primary circuit malfunction |
| P1480 | Fan secondary low with low fan on |
| P1481 | Fan secondary low with high fan on |
| P1483 | Power to fan circuit overcurrent |
| P1484 | Open power ground to Variable Load Control Module (VLCM) |
| P1500 | Vehicle Speed Sensor (VSS) circuit intermittent |
| P1501 | Vehicle Speed Sensor (VSS) out of Self-Test range |
| P1504 | Idle Air Control (IAC) circuit malfunction |
| P1505 | Idle Air Control (IAC) system at adaptive clip |
| P1506 | Idle Air Control (IAC) overspeed error |
| P1507 | Idle Air Control (IAC) underspeed error |
| P1512 | Intake Manifold Runner Control (IMRC) malfunction (Bank #1 stuck closed) |
| P1513 | Intake Manifold Runner Control (IMRC) malfunction (Bank #2 stuck closed) |
| P1516 | Intake Manifold Runner Control (IMRC) input error (Bank #1) |
| P1517 | Intake Manifold Runner Control (IMRC) input error (Bank #2) |
| P1518 | Intake Manifold Runner Control (IMRC) malfunction (stuck open) |
| P1519 | Intake Manifold Runner Control (IMRC) malfunction (stuck closed) |
| P1520 | Intake Manifold Runner Control (IMRC) circuit malfunction |
| P1530 | Air Condition (A/C) clutch circuit malfunction |
| P1537 | Intake Manifold Runner Control (IMRC) malfunction (Bank #1 stuck open) |
| P1538 | Intake Manifold Runner Control (IMRC) malfunction (Bank #2 stuck open) |
| P1539 | Power to Air Condition (A/C) clutch circuit overcurrent |
| P1550 | Power Steering Pressure (PSP) sensor out of Self-Test range |
| P1605 | Powertrain Control Module (PCM) - Keep Alive Memory (KAM) test error |
| P1625 | B(+) supply to Variable Load Control Module (VLCM) fan circuit malfunction |
| P1626 | B(+) supply to Variable Load Control Module (VLCM) Air Condition (A/C) circuit malfunction |
| P1650 | Power Steering Pressure (PSP) switch out of Self-Test range |
| P1651 | Power Steering Pressure (PSP) switch input malfunction |
| P1701 | Reverse engagement error |
| P1703 | Brake On/Off (BOO) switch out of Self-Test range |
| P1705 | Transmission Range (TR) Sensor out of Self-Test range |
| P1709 | Park or Neutral Position (PNP) switch is not indicating neutral during KOEO Self-Test |
| P1711 | Transmission Fluid Temperature (TFT) sensor out of Self-Test range |
| P1728 | Transmission slip fault |
| P1729 | 4x4 Low switch error |
| P1741 | Torque Converter Clutch (TCC) control error |
| P1742 | Torque Converter Clutch (TCC) solenoid failed on (turns on MIL) |
| P1743 | Torque Converter Clutch (TCC) solenoid failed on (turns on TCIL) |
| P1744 | Torque Converter Clutch (TCC) system mechanically stuck in off position |
| P1746 | Electronic Pressure Control (EPC) solenoid open circuit (low input) |
| P1747 | Electronic Pressure Control (EPC) solenoid short circuit (high input) |
| P1749 | Electronic Pressure Control (EPC) solenoid failed low |
| P1751 | Shift Solenoid #1 (SS1) performance |
| P1754 | Coast Clutch Solenoid (CCS) circuit malfunction |
| P1756 | Shift Solenoid #2 (SS2) performance |
| P1761 | Shift Solenoid #3 (SS3) performance |
| P1780 | Transmission Control switch (TCS) circuit out of Self-Test range |
| P1781 | 4x4 Low switch out of Self-Test range |
| P1783 | Transmission overtemperature condition |
| P1788 | 3-2 Timing/Coast Clutch Solenoid (3-2/CCS) circuit open |
| P1789 | 3-2 Timing/Coast Clutch Solenoid (3-2/CCS) circuit shorted |
| U1021 | SCP indicating the lack of Air Condition (A/C) clutch status response |
| U1039 | SCP indicating the vehicle speed signal missing or incorrect |
| U1051 | SCP indicating the brake switch signal missing or incorrect |
| U1073 | SCP indicating the lack of engine coolant fan status response |
| U1131 | SCP indicating the lack of Fuel Pump status response |
| U1135 | SCP indicating the ignition switch signal missing or incorrect |
| U1256 | SCP indicating a communications error |
| U1451 | Lack of response from Passive Anti-Theft system (PATS) module - engine disabled |
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