Engine Controls - Self-Diagnostics
- Description & Operation
- Self-Diagnostic System
- Summary
- Diagnostic Trouble Code Identification
- Notes
- DTC P0065 (V8 Engine): AAI Valve Failure
- DTC P0066 (V8 Engine): AAI Valve Failure
- DTC P0102: MAF Sensor Sense Circuit Low Voltage
- DTC P0103: AAI Valve Failure
- DTC P0112: IAT Sensor Failure
- DTC P0113: IAT Sensor Failure
- DTC P0116: ECT Or CHT Sensor Failure
- DTC P0117: ECT Sensor Failure
- DTC P0118: ECT Sensor Failure
- DTC P0122: TP Sensor Failure
- DTC P0123: TP Sensor Failure
- DTC P0124: TP Sensor Failure
- DTC P0125: Engine Cooling Fan Stuck On High Speed
- DTC P0131: Ho2S Failure
- DTC P0132: Ho2S Failure
- DTC P0133: Ho2S Failure
- DTC P0135: Ho2S Heater Failure
- DTC P0136: Ho2S Heater Failure
- DTC P0138: Ho2S Failure
- DTC P0141: Ho2S Heater Failure
- DTC P0151: Ho2S Failure
- DTC P0152: Ho2S Failure
- DTC P0153: Ho2S Failure
- DTC P0155: Ho2S Heater Failure
- DTC P0156: Ho2S Heater Failure
- DTC P0158: Ho2S Failure
- DTC P0161: Ho2S Heater Failure
- DTC P0171: Exhaust Leak (Before Catalyst)
- DTC P0172: Fuel Pressure Sensor Failure (High Fuel Pressure)
- DTC P0174: Exhaust Leak (Before Catalyst)
- DTC P0175: Fuel Pressure Sensor Failure (High Fuel Pressure)
- DTC P0180: Eft Sensor Failure
- DTC P0190: IP Sensor Failure
- DTC P0192: IP Sensor Failure
- DTC P0193: IP Sensor Failure
- DTC P0196: EOT Sensor Failure
- DTC P0201: Injector Failure
- DTC P0202: Injector Failure
- DTC P0203: Injector Failure
- DTC P0204: Injector Failure
- DTC P0205: Injector Failure
- DTC P0206: Injector Failure
- DTC P0207 (V8 Engine): Injector Failure
- DTC P0208 (V8 Engine): Injector Failure
- DTC P0222: TP Sensor Failure
- DTC P0223: TP Sensor Failure
- DTC P0224: TP Sensor Failure
- DTC P0227: TP Sensor Failure
- DTC P0228: TP Sensor Failure
- DTC P0229: TP Sensor Failure
- DTC P0300: Ignition Coil Failure
- DTC P0301: Ignition Coil Failure
- DTC P0302: Ignition Coil Failure
- DTC P0303: Ignition Coil Failure
- DTC P0304: Ignition Coil Failure
- DTC P0305: Ignition Coil Failure
- DTC P0306: Ignition Coil Failure
- DTC P0307 (V8 Engine): Ignition Coil Failure
- DTC P0308 (V8 Engine): Ignition Coil Failure
- DTC P0320: CKP Sensor Failure
- DTC P0325: Bank 1 KS Failure
- DTC P0330: Bank 2 KS Failure
- DTC P0340: Bank 1 CMP Sensor Failure
- DTC P0341: Bank 2 CMP Sensor Failure
- DTC P0350: Ignition Suppression Capacitor Failure
- DTC P0351: Ignition Suppression Capacitor Failure
- DTC P0352: Ignition Suppression Capacitor Failure
- DTC P0353: Ignition Suppression Capacitor Failure
- DTC P0354: Ignition Suppression Capacitor Failure
- DTC P0355: Ignition Suppression Capacitor Failure
- DTC P0356: Ignition Suppression Capacitor Failure
- DTC P0357 (V8 Engine): Ignition Suppression Capacitor Failure
- DTC P0358 (V8 Engine): Ignition Suppression Capacitor Failure
- DTC P0420: Ho2S (Bank 1, Upstream 1) Failure
- DTC P0430: Bank 2 Ho2 Sensor(S) Heater Failure
- DTC P0442: EVAP Canister Purge Failure
- DTC P0443: EVAP Canister Purge Failure
- DTC P0451: Ftp Sensor Failure
- DTC P0452: Ftp Sensor Failure
- DTC P0453: Ftp Sensor Failure
- DTC P0455: EVAP Canister Purge Failure
- DTC P0456: EVAP Canister Purge Failure
- DTC P0460: Fuel Level Sensor Failure
- DTC P0500: Front Wheel Speed Sensor Failure
- DTC P0503: Instrument Pack Malfunction
- DTC P0505: Throttle Actuator Control Module Failure
- DTC P0602: Pcm Failure
- DTC P0603: Pcm Failure
- DTC P0605: Pcm Failure
- DTC P0703: Brake Switch Failure
- DTC P0705: Range Sensor Failure
- DTC P0708: Range Sensor Failure
- DTC P0712: TFT Sensor Failure
- DTC P0713: TFT Sensor Failure
- DTC P0715: Turbine Speed Sensor Failure
- DTC P0717: Turbine Speed Sensor Failure
- DTC P0718: Turbine Speed Sensor Sense Circuit
- DTC P0720: Output Speed Sensor Failure
- DTC P0721: Output Speed Sensor Sense Circuit
- DTC P0722: Output Speed Sensor Failure
- DTC P0731: Transmission Mechanical Failure
- DTC P0732: Transmission Mechanical Failure
- DTC P0733: Transmission Mechanical Failure
- DTC P0734: Transmission Mechanical Failure
- DTC P0735: Transmission Mechanical Failure
- DTC P0741: Transmission Mechanical Failure
- DTC P0743: TCC Solenoid Failure
- DTC P0745: Pressure Control Solenoid 1 Failure
- DTC P0750: Shift Solenoid 1 Failure
- DTC P0755: Shift Solenoid 2 Failure
- DTC P0760: Shift Solenoid 3 Failure
- DTC P0765: Shift Solenoid 4 Failure
- DTC P0775: Pressure Control Solenoid 2 Failure
- DTC P0779: Pressure Control Solenoid 2 Drive Circuit
- DTC P0791: Intermediate Speed Sensor Failure
- DTC P0794: Intermediate Speed Sensor Failure
- DTC P0795: Pressure Control Solenoid 3 Failure
- DTC P0796: Pressure Control Solenoid 3 Failure
- DTC P0797: Pressure Control Solenoid 3 Failure
- DTC P0799: Pressure Control Solenoid 3 Drive Circuit
- DTC P0814: Pcm/"J" Gate Illumination Circuit
- DTC P0840: Pressure Switch Failure
- DTC P1000: Powertrain Control Module (Pcm)
- DTC P1001: OBD Diagnostic Monitors
- DTC P1100: MAF Sensor Failure
- DTC P1101: MAF Sensor Failure
- DTC P1112: IAT Sensor Failure
- DTC P1116: IAT Sensor Failure
- DTC P1117: ECT (V8) Or CHT (V6) Sensor Failure
- DTC P1121: MAF Sensor Failure
- DTC P1122: App Sensor Failure
- DTC P1123: App Sensor Failure
- DTC P1124: TP Sensor Failure
- DTC P1125: TP Sensor Failure
- DTC P1127: Exhaust System Leak Or Failure
- DTC P1128: Upstream Ho2 Sensors To Pcm Wiring Fault
- DTC P1129: Downstream Ho2 Sensors To Pcm Wiring Fault
- DTC P1130: Exhaust System Leak
- DTC P1131: Exhaust System Leak
- DTC P1132: Exhaust System Leak
- DTC P1133: Exhaust System Leak
- DTC P1134: Ho2 Sensors (Bank 1, Upstream 1) Failure
- DTC P1135: App Sensor Failure
- DTC P1137: Ho2 Sensor (Bank 1, Downstream 2) Failure
- DTC P1138: Ho2 Sensor (Bank 1, Downstream 2) Failure
- DTC P1150: Ho2 Sensor (Bank 1, Upstream 1) Failure
- DTC P1151: Ho2 Sensor (Bank 2, Upstream 1) Failure
- DTC P1152: Ho2 Sensor (Bank 2, Upstream 1) Failure
- DTC P1153: Ho2 Sensor (Bank 2, Upstream 1) Failure
- DTC P1154: Ho2 Sensor (Bank 2, Upstream 1) Failure
- DTC P1157: Ho2 Sensor (Bank 2, Downstream 2) Failure
- DTC P1158: Ho2 Sensor (Bank 2, Downstream 2) Failure
- DTC P0183: EOT Sensor Failure
- DTC P0184: EOT Sensor Failure
- DTC P1214: App Sensor Failure
- DTC P1215: App Sensor Failure
- DTC P1216: App Sensor Failure
- DTC P1217: App Sensor Failure
- DTC P1222: App Sensor Failure
- DTC P1223: App Sensor Failure
- DTC P1233: Fuel Pump Relay Failure
- DTC P1235: RECM To Fuel Pump Drive Circuit
- DTC P1237: Fuel Pump Relay Failure
- DTC P1246: Accessory Drive Belt Failure
- DTC P1260: Pats Standard Corporate Protocol (SCP) Message Failure
- DTC P1285 (V6 Engine): Cooling System Thermostat Defective
- DTC P1288 (V6 Engine): CHT Sensor To Pcm Circuit Fault
- DTC P1289 (V6 Engine): CHT Sensor Failure
- DTC P1290 (V6 Engine): CHT Sensor Failure
- DTC P1299: Cooling Fan Module Failure
- DTC P1309: Pcm Failure
- DTC P1380: Bank 1 VVT Solenoid Failure
- DTC P1381: Bank 1 VVT Solenoid Failure
- DTC P1383: Bank 1 VVT Actuator Oil Supply Fault
- DTC P1385: Bank 2 VVT Solenoid Failure
- DTC P1386: Bank 2 VVT Actuator Oil Supply Fault
- DTC P1388: Bank 2 VVT Actuator Oil Supply Fault
- DTC P1450: EVAP Canister Purge Valve Stuck Open
- DTC P1451: EVAP Canister Close Valve Failure
- DTC P1460: A/C Compressor Clutch Relay Failure
- DTC P1461: A/C Pressure Sensor Failure
- DTC P1462: A/C Pressure Sensor Failure
- DTC P1464: A/C Pressure Sensor Failure
- DTC P1474: Cooling Fan Module Failure
- DTC P1500: Front Wheel Speed Sensor Circuit
- DTC P1501: Anti-Lock Brake System/Traction Control (Abs/TC) System
- DTC P1506: Pcm/Throttle Actuator Control Module (TACM) Circuit Fault
- DTC P1507: Pcm/Throttle Actuator Control Module (TACM) Circuit Fault
- DTC P1532 (V6 Engine): IMT Valve (Top) Failure
- DTC P1534: RCM Fault
- DTC P1549 (V6 Engine): IMT Valve (Bottom) Failure
- DTC P1565: Speed Control Steering Wheel Switch Failure
- DTC P1566: Speed Control Steering Wheel Switch Failure
- DTC P1572: Brake Cancel Switch Failure
- DTC P1573: TP Sensor Failure
- DTC P1574: TP Sensor Failure
- DTC P1576: App Sensor Failure
- DTC P1577: App Sensor Failure
- DTC P1580: Pcm Failure
- DTC P1581: Pcm Failure
- DTC P1582: Pcm Failure
- DTC P1584: Throttle Body Failure
- DTC P1585: Throttle Body Failure
- DTC P1586: Throttle Body Failure
- DTC P1587: Throttle Body Failure
- DTC P1588: Throttle Body Failure
- DTC P1589: Throttle Body Failure
- DTC P1633: Vehicle Battery Voltage Low
- DTC P1635: Engine Management System (Ems)
- DTC P1636: Pcm Failure
- DTC P1650: PSP Switch Failure
- DTC P1700: Transmission Mechanical Failure
- DTC P1702: Range Sensor Failure
- DTC P1704: Gear Selector Mechanical Failure
- DTC P1705: Gear Selector Mechanical Failure
- DTC P1711: TFT Sensor Failure
- DTC P1713: TFT Sensor Failure
- DTC P1714: Shift Solenoid 1 Mechanical Failure
- DTC P1715: Shift Solenoid 2 Mechanical Failure
- DTC P1716: Shift Solenoid 3 Mechanical Failure
- DTC P1717: Shift Solenoid 4 Mechanical Failure
- DTC P1718: TFT Sensor Failure
- DTC P1740: TCC Solenoid Mechanical Failure
- DTC P1746: Pressure Control Solenoid 1 Failure
- DTC P1747: Pressure Control Solenoid 1 Failure
- DTC P1760: Pressure Control Solenoid 1 Drive Circuit
- DTC P1780: D-4TH Switch Failure
- DTC P1783: Transmission Fluid Cooler Failure
- DTC P1788: Pressure Control Solenoid 2 Failure
- DTC P1789: Pressure Control Solenoid 2 Drive Circuit
- Diagnostic Tests
- Notes
- DTC P0102, P0103, P01100 Or P1101: MAF Sensor Circuit
- DTC P0112, P0113 Or P1112: IAT Sensor Circuit
- DTC P0117, P0118, P1116 Or P1117: ECT Sensor Circuit (V8 Engine)
- DTC P0122, P0123, P0124 Or P1121: TP Sensor Circuit
- DTC P0125: ECT/CHT Sensor Response Insufficient For Closed Loop Fuel Metering
- DTC P0131, P0132, P0133, P0135, P0420, P1130, P1131 Or P1132: Ho2S Circuit (Bank 1, Upstream 1)
- DTC P0136, P0138, P0141, P0420, P1137 Or P1138: Ho2S Circuit (Bank 1, Downstream 2)
- DTC P0151, P0152, P0153, P0155, P0430, P1150, P1151 Or P1152: Ho2S Circuit (Bank 2, Upstream 1)
- DTC P0156, P0158, P0161, P0430, P1157 Or P1158: Ho2S Circuit (Bank 2, Downstream 2)
- DTC P0180: Eft Sensor Circuit
- DTC P0190, P0192 Or P0193: Injector Pressure Sensor Circuit
- DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208: Fuel Injector Circuit
- DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308: Random Cylinder Misfire
- DTC P0325: Knock Sensor Circuit (Bank 1)
- DTC P0330: Knock Sensor Circuit (Bank 2)
- DTC P0340: Camshaft Position Sensor Circuit (Bank 1)
- DTC P0341: Camshaft Position Sensor Circuit (Bank 2)
- DTC P0351, P0352, P0353, P0354, P0355, P0356, P0357, P0358: Ignition Coil Primary Circuit Malfunction
- DTC P0442: EVAP Control System (Small Leak)
- DTC P0443: EVAP Control System Purge Valve Circuit
- DTC P0451: Ftp Sensor Range/Performance
- DTC P0452 & P0453: Ftp Sensor Circuit
- DTC P0602: Pcm Programming Error
- DTC P0603: Pcm KAM Test Error
- DTC P0605: Pcm ROM Test Error
- DTC P1127: Exhaust Not Warm Enough (Downstream Ho2 Sensors Not Tested)
- DTC P1128 & P1129: Ho2S Swapped From Bank To Bank
- DTC P1183 & P1184: EOT Sensor Circuit
- DTC P1285: CHT Sensor (High Temperature Sensed - V6 Engine)
- DTC P1288: CHT Sensor (Self-Test Out Of Range - V6 Engine)
- DTC P1289 & P1290: CHT Sensor Circuit (V6 Engine)
- DTC P1380, P1381 Or P1383: VVT Malfunction (Bank 1)
- DTC P1385, P1386 Or P1388: VVT Malfunction (Bank 2)
- DTC P1450: System Unable To Release Fuel Tank Vacuum
- DTC P1451: EVAP Canister Close Valve Circuit
- DTC P1633: KAM Voltage Too Low