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Diagnostic Trouble Codes - OBDII Expand All (for easy ctrl-f) Collapse All Key To Column Headings Cylinder Numbering OBD System Readiness - Engine Management OBD System Readiness - Transmission OBD "Trips" OBD Diagnostic Monitors Diagnostic Monitors Drive Cycles Heated Oxygen Sensors Monitor Drive Cycle Adaptive Fuel Monitor Drive Cycle Misfire Monitor Drive Cycle Catalyst Efficiency Monitor Drive Cycle Evaporative System Monitor Drive Cycle (OBD II Only) Exhaust Gas RECIRCULATION Monitor Drive Cycle Comprehensive Component Monitor Engine Management Drive Cycle Comprehensive Component Monitor Transmission Drive Cycle Powertrain Control Acronyms Diagnostic Trouble Code Index Diagnostic Trouble Codes DTC P0010: VVT circuit malfunction - bank 1 DTC P0020: VVT circuit malfunction - bank 2 DTC P0031: HO2 Sensor heater control circuit low current - bank 1, upstream (1/1) DTC P0032: HO2 Sensor heater control circuit high current - bank 1, upstream (1/1) DTC P0037: HO2 Sensor heater control circuit low resistance - bank 1, downstream (1/2) DTC P0038: HO2 Sensor heater control circuit high resistance - bank 1, downstream (1/2) DTC P0051: HO2 Sensor heater control circuit low current - bank 2, upstream (2/1) DTC P0052: HO2 Sensor heater control circuit high current - bank 2, upstream (2/1) DTC P0057: HO2 Sensor heater control circuit low resistance - bank 2, downstream (2/2) DTC P0058: HO2 Sensor heater control circuit high resistance - bank 2, downstream (2/2) DTC P0096: IAT Sensor 2 circuit range/performance DTC P0097: IAT Sensor 2 circuit high voltage (low air temperature) DTC P0098: IAT Sensor 2 circuit low voltage (high air temperature) DTC P0101: MAF Sensor circuit range/performance DTC P0102: MAF Sensor circuit low voltage DTC P0103: MAF Sensor circuit high voltage DTC P0105: MAP Sensor circuit malfunction DTC P0106: BARO Sensor circuit range/performance DTC P0107: BARO Sensor circuit low voltage DTC P0108: BARO Sensor circuit high voltage DTC P0111: IAT Sensor circuit range/performance DTC P0112: IAT Sensor circuit high voltage (low air temperature) DTC P0113: IAT Sensor circuit low voltage (high air temperature) DTC P0116: ECT Sensor circuit range/performance DTC P0117: ECT Sensor circuit high voltage (low coolant temperature) DTC P0118: ECT Sensor circuit low voltage (high coolant temperature) DTC P0121: TP Sensor range/performance (TP1 compared to TP2) DTC P0122: TP Sensor circuit 1 low voltage DTC P0123: TP Sensor circuit 1 high voltage DTC P0125: ECT Sensor response (for closed loop fuel control); (Coolant thermostat monitor) DTC P0128: Coolant thermostat range/performance DTC P0131: HO2 Sensor sense circuit low current - bank 1, upstream (1/1); (Universal oxygen sensor: lean condition at ECM - high current at sensor) DTC P0132: HO2 Sensor sense circuit high current - bank 1, upstream (1/1); (Universal oxygen sensor: rich condition at ECM - low current at sensor) DTC P0133: HO2 Sensor sense circuit slow response - bank 1, upstream (1/1) DTC P0137: HO2 Sensor sense circuit low voltage - bank 1, downstream (1/2) DTC P0138: HO2 Sensor sense circuit high voltage - bank 1, downstream (1/2) DTC P0140: HO2 Sensor sense circuit no activity - bank 1, downstream (1/2) DTC P0151: HO2 Sensor sense circuit low current - bank 2, upstream (2/1); (Universal oxygen sensor: lean condition at ECM - high current at sensor) DTC P0152: HO2 Sensor sense circuit high current - bank 2, upstream (2/1); (Universal oxygen sensor: rich condition at ECM - low current at sensor) DTC P0153: HO2 Sensor sense circuit slow response - bank 2, upstream (2/1) DTC P0157: HO2 Sensor sense circuit low voltage - bank 2, downstream (2/2) DTC P0158: HO2 Sensor sense circuit high voltage - bank 2, downstream (2/2) DTC P0160: HO2 Sensor sense circuit no activity - bank 2, downstream (2/2) DTC P0171: Bank 1 combustion too lean DTC P0172: Bank 1 combustion too rich DTC P0174: Bank 2 combustion too lean DTC P0175: Bank 2 combustion too rich DTC P0181: EFT Sensor range/performance DTC P0182: EFT Sensor circuit low voltage (high temperature) DTC P0183: EFT Sensor circuit high voltage (low temperature) DTC P0191: IP Sensor circuit range/performance DTC P0192: IP Sensor sensor circuit low voltage (low pressure) DTC P0193: IP Sensor sensor circuit high voltage (high pressure) DTC P0196: EOT Sensor range/performance DTC P0197: EOT Sensor low voltage (high temperature) DTC P0198: EOT Sensor high voltage (low temperature) DTC P0201: Fuel injector 1 circuit malfunction DTC P0202: Fuel injector 2 circuit malfunction DTC P0203: Fuel injector 3 circuit malfunction DTC P0204: Fuel injector 4 circuit malfunction DTC P0205: Fuel injector 5 circuit malfunction DTC P0206: Fuel injector 6 circuit malfunction DTC P0207: Fuel injector 7 circuit malfunction DTC P0208: Fuel injector 8 circuit malfunction DTC P0222: TP Sensor sense circuit 2 (TP2) low voltage DTC P0223: TP Sensor sense circuit 2 (TP2) high voltage DTC P0300: Random misfire detected DTC P0301: Misfire detected - cylinder 1 DTC P0302: Misfire detected - cylinder 2 DTC P0303: Misfire detected - cylinder 3 DTC P0304: Misfire detected - cylinder 4 DTC P0305: Misfire detected - cylinder 5 DTC P0306: Misfire detected - cylinder 6 DTC P0307: Misfire detected - cylinder 7 DTC P0308: Misfire detected - cylinder 8 DTC P0327: Bank 1 KS sense circuit out of range - low voltage DTC P0328: Bank 1 KS sense circuit out of range - high voltage DTC P0332: Bank 2 KS sense circuit out of range - low voltage DTC P0333: Bank 2 KS sense circuit out of range - high voltage DTC P0335: CKP Sensor circuit malfunction DTC P0336: CKP Sensor circuit range/performance DTC P0340: CMP Sensor 1 circuit malfunction - bank 1 DTC P0341: CMP Sensor 1 circuit range/performance - bank 1 DTC P0345: CMP Sensor 2 circuit malfunction - bank 2; P0345 Early production vehicles; P1340 later production vehicles DTC P0346: CMP Sensor 2 circuit range/performance - bank 2; P0346 Early production vehicles; P1341 later production vehicles DTC P0351: Ignition module primary circuit malfunction - cylinder 1 DTC P0352: Ignition module primary circuit malfunction - cylinder 2 DTC P0353: Ignition module primary circuit malfunction - cylinder 3 DTC P0354: Ignition module primary circuit malfunction - cylinder 4 DTC P0355: Ignition module primary circuit malfunction - cylinder 5 DTC P0356: Ignition module primary circuit malfunction - cylinder 6 DTC P0357: Ignition module primary circuit malfunction - cylinder 7 DTC P0358: Ignition module primary circuit malfunction - cylinder 8 DTC P0400: EGR flow malfunction EGR DTC P0405: EGR valve drive circuits low voltage DTC P0406: EGR valve drive circuits high voltage DTC P0420: Catalytic converter system efficiency below threshold - bank 1 DTC P0430: Catalytic converter system efficiency below threshold - bank 2 DTC P0442: EVAP system leak detected - small (0.040 in.) DTC P0443: EVAP canister purge valve circuit malfunction DTC P0444: EVAP canister purge valve circuit open circuit DTC P0445: EVAP canister purge valve circuit short circuit DTC P0446: EVAP canister close valve circuit malfunction DTC P0447: EVAP canister close valve circuit open circuit DTC P0448: EVAP canister close valve circuit short circuit DTC P0450: FTP Sensor circuit malfunction DTC P0452: FTP Sensor circuit low voltage (low pressure) DTC P0453: FTP Sensor circuit high voltage (high pressure) DTC P0455: EVAP system leak detected - large DTC P0456: EVAP system leak detected - very small (0.020 in.) DTC P0460: Fuel level sensor(s) circuit range/performance DTC P0480: Radiator cooling fan module drive circuit malfunction DTC P0506: Idle RPM lower than expected DTC P0507: Idle RPM higher than expected DTC P0532: Air conditioning pressure sensor circuit low voltage (high pressure) DTC P0533: Air conditioning pressure sensor circuit high voltage (low pressure) DTC P0560: Battery power supply voltage malfunction DTC P0566: Speed control CANCEL switch ON fault DTC P0567: Speed control RESUME switch ON fault DTC P0568: Speed control input signal low/high resistance DTC P0569: Speed control SET/- switch ON fault DTC P0570: Speed control SET/+ switch ON fault DTC P0603: ECM Keep alive memory error DTC P0605: TCM Self test error DTC P0606: TCM "Watch dog" circuit malfunction DTC P0610: TCM Configuration error DTC P0617: Starter relay drive circuit high voltage/starter relay request on (ignition switch position III START) DTC P0641: Sensor supply voltage circuit malfunction DTC P0646: A/C Compressor clutch relay drive circuit low voltage (CAN A/C compressor clutch request OFF) DTC P0647: A/C Compressor clutch relay drive circuit high voltage (CAN A/C compressor clutch request ON) DTC P0651: Pressure regulator and shift solenoid supply circuit malfunction DTC P0666: Substrate temperature sensor circuit malfunction DTC P0701: TCM control errors DTC P0702: TCM Battery power supply low voltage (short time) DTC P0705: Gear position switch circuit malfunction DTC P0706: J Gate selector position plausibility fault DTC P0709: J Gate selector Intermediate position fault DTC P0710: Transmission fluid temperature sensor circuit malfunction DTC P0711: Engine fluid temperature range fault DTC P0715: Turbine speed sensor circuit failure DTC P0720: Output speed sensor circuit failure DTC P0721: Output speed sensor signal gradient fault DTC P0725: Engine over-speed range fault DTC P0729: Sixth gear ratio fault DTC P0730: Gear ratio fault DTC P0731: First gear ratio fault DTC P0732: Second gear ratio fault DTC P0733: Third gear ratio fault DTC P0734: Fourth gear ratio fault DTC P0735: Fifth gear ratio fault DTC P0736: Reverse gear ratio fault DTC P0740: Torque converter clutch pressure regulator solenoid circuit malfunction DTC P0741: Torque converter clutch pressure regulator solenoid stuck open DTC P0743: Torque converter clutch pressure regulator solenoid circuit plausibility error DTC P0750: Pressure regulator solenoid 1 circuit malfunction DTC P0753: Pressure regulator solenoid 1 circuit plausibility error DTC P0755: Pressure regulator solenoid 2 circuit malfunction DTC P0758: Pressure regulator solenoid 2 circuit plausibility error DTC P0760: Pressure regulator solenoid 3 circuit malfunction DTC P0763: Pressure regulator solenoid 3 circuit plausibility error DTC P0765: Pressure regulator solenoid 4 circuit malfunction DTC P0768: Pressure regulator solenoid 4 circuit plausibility error DTC P0770: Pressure regulator solenoid 5 circuit malfunction DTC P0773: Pressure regulator solenoid 5 circuit plausibility error DTC P0780: Gear load fault DTC P0781: 1-2/2-1 Gear load fault DTC P0782: 2-3/3-2 Gear load fault DTC P0783: 3-4/4-3 Gear load fault DTC P0784: 4-5/5-4 Gear load fault DTC P0787: Shift solenoid circuit malfunction DTC P0788: Shift solenoid circuit plausibility error DTC P0825: J Gate positions R, D plausibility error DTC P0829: 5-6 Gear load fault DTC P0831: Clutch cancel switch low voltage (switch normally closed); Manual transmission input to ECM DTC P0832: Clutch cancel switch high voltage (switch normally closed); Manual transmission input to ECM DTC P0834: Clutch pedal safety switch low voltage (switch normally open); Manual transmission input to ECM DTC P0835: Clutch pedal safety switch high voltage (switch normally open); Manual transmission input to ECM DTC P0860: J Gate CAN network malfunction; J Gate/CAN monitored by ECM DTC P1000: System (OBD) check not complete since last memory clear DTC P1104: MAF Sensor ground malfunction DTC P1107: MAP Sensor sense circuit low voltage DTC P1108: MAP Sensor sense circuit high voltage DTC P1111: System (OBD) checks complete since last memory clear DTC P1122: APP Sensor sense circuit low voltage - APP1 DTC P1123: APP Sensor sense circuit high voltage - APP1; This DTC could be flagged by both sensor element sensing circuit having faults DTC P1146: Generator "CHARGE" circuit low voltage/request high DTC P1215: APP Sensor sense circuit low voltage - APP2 DTC P1216: APP Sensor sense circuit high voltage - APP2; This DTC could be flagged by both sensor element sensing circuit having faults DTC P1224: Throttle control position error DTC P1229: Throttle motor control circuit malfunction DTC P1233: Fuel pump 2 drive circuit fault DTC P1234: No fuel pump (1 SC) commands received by ECM DTC P1236: Fuel pump (1 SC) not activated when requested by ECM DTC P1240: Sensor power supply circuit malfunction DTC P1241: Sensor power supply circuit low voltage DTC P1242: Sensor power supply circuit high voltage DTC P1243: Sensor ground circuits open circuit DTC P1244: Generator "CHARGE" circuit high voltage/request low DTC P1245: Engine crank signal low voltage DTC P1246: Engine crank signal high voltage DTC P1250: Throttle valve return spring malfunction DTC P1251: Throttle motor relay OFF failure DTC P1254: Throttle "limp home" spring malfunction DTC P1260: Security input malfunction DTC P1313: Misfire rate catalyst damage - bank 1; This DTC will flag only when accompanied by an individual cylinder misfire DTC: P0300 - P0308 DTC P1314: Misfire rate catalyst damage - bank 2; This DTC will flag only when accompanied by an individual cylinder misfire DTC: P0300 - P0308 DTC P1316: Misfire excess emission; This DTC will flag only when accompanied by an individual cylinder misfire DTC: P0300 - P0308 DTC P1338: Fuel pump (1 SC) drive circuit low/high voltage DTC P1339: Fuel pump 2 drive circuit low voltage/high voltage fault DTC P1340: CMP Sensor 2 circuit malfunction - bank 2 DTC P1341: CMP Sensor 2 circuit range/performance - bank 2 DTC P1344: APP Sensor sense circuits APP1 and APP2 range/performance DTC P1367: Ignition amplifier bank 1 fault DTC P1368: Ignition amplifier bank 2 fault DTC P1384: VVT solenoid malfunction - bank 1 DTC P1396: VVT solenoid malfunction - bank 2 DTC P1410: Air cleaner solenoid valve drive circuit malfunction DTC P1474: Intercooler coolant pump malfunction DTC P1516: Gear change P/N driving malfunction DTC P1517: Gear change P/N starting malfunction DTC P1532: IMT valve 2 (bottom) circuit malfunction DTC P1549: IMT valve 1 (top) circuit malfunction DTC P1571: Brake ON/OFF switch; brake cancel switch malfunction; (Brake ON/OFF switch - normally open; brake cancel switch - normally closed) DTC P1582: "Flight recorder" data is stored if any one of five conditions occur DTC P1603: TCM Internal communications error DTC P1605: TCM RAM error DTC P1606: EMS control relay malfunction DTC P1609: ECM microprocessor to microprocessor communication failure DTC P1611: ECM sub CPU failure DTC P1629: Generator "FIELD" circuit failure DTC P1631: Throttle motor relay coil drive circuit OFF failure DTC P1632: Generator charge system failure/generator "LOAD" feedback circuit failure DTC P1633: ECM main CPU failure DTC P1634: Throttle "watch dog" circuit malfunction DTC P1637: CAN ECM to DSCCM network malfunction DTC P1638: CAN ECM/IC network malfunction DTC P1642: CAN circuit malfunction DTC P1643: CAN ECM/TCM network malfunction DTC P1646: ECM HO2 Sensor control malfunction - bank 1 upstream (1/1) DTC P1647: ECM HO2 Sensor control malfunction - bank 2 upstream (2/1) DTC P1648: ECM internal Knock Sensor CPU self test failure DTC P1656: TP Sensor amplifier circuit malfunction DTC P1657: Throttle motor relay coil drive circuit ON failure DTC P1658: Throttle motor relay ON failure DTC P1696: CAN ECM/ASCCM network malfunction DTC P1697: Adaptive speed control HEADWAY switch(es) circuit malfunction DTC P1699: CAN ECM/A/CCM network malfunction DTC P1749: PARK/NEUTRAL circuit malfunction DTC P1774: CAN TCM/J Gate Module network malfunction DTC P1783: Transmission over-temperature shut-down DTC P1794: TCM ignition switched power supply circuit malfunction DTC P1796: CAN network fault DTC P1797: CAN TCM/ECM network malfunction DTC P1798: CAN TCM/IC network malfunction DTC P1799: CAN TCM/DSCCM network malfunction