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Engine Controls Self-Diagnostics Expand All (for easy ctrl-f) Collapse All Introduction Self-Diagnostic System Programming Drive Cycles Summary Diagnostic Trouble Code Definitions Component Locations Connector Identification System Tests Diagnostic Tests Notes DTC P0101: Mass Airflow Sensor Performance DTC P0102: MAF Sensor Circuit - Low Frequency DTC P0103: MAF Sensor Circuit - High Frequency DTC P0106: Map System Performance DTC P0107: Map Sensor Circuit - Low Voltage DTC P0108: Map Sensor Circuit - High Voltage DTC P0112: IAT Sensor Circuit - Low Voltage DTC P0113: IAT Sensor Circuit - High Voltage DTC P0116: ECT Sensor Performance DTC P0117: ECT Sensor Circuit - Low Voltage DTC P0118: ECT Sensor Circuit - High Voltage DTC P0125: Excessive Time To Enter Closed Loop Fuel Control DTC P0128: ECT Less Than Thermostat Regulating Temperature DTC P0131 & P0151: Ho2S Circuit - Low Voltage - Bank 1 & 2, Sensor 1 DTC P0132 & P0152: Ho2S Circuit - High Voltage - Bank 1 & 2, Sensor 1 DTC P0133 & P0153: Ho2S Circuit - Slow Response - Bank 1 & 2, Sensor 1 DTC P0134 & P0154: Ho2S Circuit - Insufficient Activity - Bank 1 & 2, Sensor 1 DTC P0135, P0141, P0155 & P0161: Ho2S Heater Circuit - Bank 1 & 2, Sensors 1 & 2 DTC P0137 & P0157: Ho2S Circuit - Low Voltage - Bank 1 & 2, Sensor 2 DTC P0138 & P0158: Ho2S Circuit - High Voltage - Bank 1 & 2, Sensor 2 DTC P0140 & P0160: Ho2S Circuit - Insufficient Activity - Bank 1 & 2, Sensor 2 DTC P0171 & P0174: Fuel Trim System Lean - Bank 1 & 2 DTC P0172 & P0175: Fuel Trim System Rich - Bank 1 & 2 DTC P0200: Fuel Injector Control Circuit DTC P0230: Fuel Pump Control Relay Circuit DTC P0300-P0308: Engine Misfire Detected DTC P0325: Knock Sensor Module Circuit DTC P0327 & P0332: Knock Sensor Circuit - Low Voltage DTC P0335: Crankshaft Position Sensor Circuit DTC P0336: Crankshaft Position Sensor Circuit Performance DTC P0341: Camshaft Position Sensor Circuit Performance DTC P0342: CMP Signal Low DTC P0343: CMP Signal High DTC P0351-P0358: Ignition Control Circuit DTC P0410: Secondary Air Injection System DTC P0412: Air Relay Control Circuit DTC P0418: Air Pump Relay Control Circuit DTC P0420 & P0430: TWC System - Low Efficiency - Bank 1 & 2 DTC P0440: EVAP System - Large Leak DTC P0442: EVAP System - Small Leak DTC P0443: EVAP Purge Valve Control Circuit DTC P0446: EVAP Vent Valve Performance DTC P0449: EVAP Vent Valve Performance DTC P0452: Fuel Tank Pressure Sensor - Low Voltage DTC P0453: Fuel Tank Pressure Sensor - High Voltage DTC P0500: Vehicle Speed Sensor (M/T) DTC P0502: Vehicle Speed Sensor Low Output DTC P0503: Vehicle Speed Sensor Erratic DTC P0506 Or P0507: Idle Control System DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681 & P1683: Pcm Memory DTC P0650: Mil Control Circuit DTC P0704: Clutch Pedal Switch DTC P0706: Transmission Range Switch DTC P0719: Brake Switch Circuit - Low Input DTC P0724: Brake Switch Circuit - High Input DTC P1111: IAT Sensor Circuit - Intermittent High Voltage DTC P1112: IAT Sensor Circuit - Intermittent Low Voltage DTC P1114: ECT Sensor Circuit - Intermittent Low Voltage DTC P1115: ECT Sensor Circuit - Intermittent High Voltage DTC P1120: Throttle Position Sensor 1 Voltage Out Of Range DTC P1125: Accelerator Pedal Position Sensors Out Of Range Or Disagree DTC P1133 & P1153: Ho2S Circuit - Insufficient Switching - Bank 1 & 2, Sensor 1 DTC P1134 & P1154: Ho2S Transition Time Ratio - Bank 1 & 2, Sensor 1 DTC P1220: Throttle Position Sensor 2 - Voltage Out Of Range DTC P1221: Excessive Difference Between Throttle Position Sensors DTC P1258: Engine Metal OVERTEMPERATURE Protection DTC P1275: Accelerator Pedal Position Circuit - Sensor 1 DTC P1276: Accelerator Pedal Position Sensor 1 Correlation DTC P1280: Accelerator Pedal Position Circuit - Sensor 2 DTC P1281: Accelerator Pedal Position Sensor 2 Correlation DTC P1285: Accelerator Pedal Position Circuit - Sensor 3 DTC P1286: Accelerator Pedal Position Sensor 3 Correlation DTC P1336: Crankshaft System Variation Not Learned DTC P1380: EBCM DTC Detected Rough Road Data Unstable DTC P1381: Misfire Detected - No EBCM/Pcm Serial Data DTC P1415-P1416: Air System - Bank 1 & 2 DTC P1441: EVAP System Flow During Non-Purge DTC P1514: Airflow Rate Excessive DTC P1515: Predicted Vs Actual Throttle Position Correlation Error DTC P1516: Predicted Vs Actual Throttle Position Correlation Error DTC P1517: TAC Module Memory Error DTC P1518: TAC Module Serial Data Fault DTC P1575: Extended Travel Brake Switch Circuit - High Voltage DTC P1635: 5-Volt Reference A Circuit DTC P1639: 5-Volt Reference B Circuit Wiring Diagrams