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Engine Controls - Self-Diagnostics Expand All (for easy ctrl-f) Collapse All Diagnostic Tests Notes Diagnostic Trouble Code Identification ECM Harness Connector DTC P0100: Mass Airflow (MAF) Sensor DTC P0105: Absolute Pressure (AP) Sensor DTC P0110: Intake Air Temperature (IAT) Sensor DTC P0115 Or P0125: Engine Coolant Temperature (ECT) Sensor DTC P0120: Throttle Position (TP) Sensor DTC P0130 Or P0150: Front (Right & Left) Heated Oxygen Sensor (Ho2S) DTC P0131 Or P0132: Right Side, Or DTC P0151 Or P0152: Left Side Front Heated Oxygen Sensor (Ho2S) DTC P0133 Or P0153: Front (Right & Left) Heated Oxygen Sensor (Ho2S) DTC P0134 Or P0154: Front (Right & Left) Ho2S Sensor DTC P0135 Or P0155: Front (Right Or Left) Ho2S Heater DTC P0137, P0138, P0139 Or P0140: Rear Ho2S (Except CALIFORNIA & I30) DTC P0137, P0138, P0139, P0140, P0157, P0158, P0159, Or P0160: Rear Ho2S (CALIFORNIA & I30) DTC P0141: Rear Ho2S Heater (Except CALIFORNIA & I30) DTC P0141 Or P0161: Rear Ho2S Heater (CALIFORNIA & I30) DTC P0171, P0172, P0174 Or P0175: Fuel Injection System Function (Right Or Left Bank) DTC P0180: Fuel Tank Temperature (FTT) Sensor DTC P0217: Coolant OVERTEMPERATURE Enrichment Protection, Or DTC P1217: Engine Overheat DTC P0300-P0306: Cylinder Or Multiple Cylinder Misfire DTC P0325: Knock Sensor DTC P0335 Or P1336: Crankshaft Position (CKP) Sensor (Pos) DTC P0340: Camshaft Position (CMP) Sensor DTC P0400: EGR Function DTC P0403: EGR Volume Control Valve (EGR-VCV) DTC P0420: 3-Way Catalyst Function (Except CALIFORNIA & I30) DTC P0420 Or P0430: 3-Way Catalyst Function (CALIFORNIA & I30) DTC P0440 Or P1440: EVAP Control System DTC P0443: EVAP Canister Purge Volume Control Valve (EVAP-CPVCV) DTC P0446: EVAP Canister Vent Control Valve (EVAP-CVCV) DTC P0450: EVAP Control System Pressure Sensor (EVAP-CSPS) DTC P0460: Fuel Level Sensor Function (Slosh) DTC P0461: Fuel Level Sensor Function DTC P0464: Fuel Level Sensor Circuit DTC P0500: Vehicle Speed Sensor (VSS) DTC P0505: Idle Air Control Valve-Auxiliary Air Control (IACV-AAC) Valve DTC P0510: Closed Throttle Position (TP) Switch DTC P0600: A/T Communication Line DTC P0605: ECM DTC P1126: Thermostat Function DTC P1130: Swirl Control Valve (SCV) Solenoid (CALIFORNIA & I30) DTC P1148 Or P1168: Closed Loop Control DTC P1165: Swirl Control Vacuum Check Switch (CALIFORNIA & I30) DTC P1211: VDC/TCS/Abs Control Unit DTC P1212: Abs/TCS Communication Line DTC P1217: Engine Overheat DTC P1220: Fuel Pump Control Module (FPCM) DTC P1320: Ignition Signal DTC P1335: Crankshaft Position (CKP) Sensor (Ref) DTC P1336: Crankshaft Position (CKP) Sensor (Pos) DTC P1401: EGR Temperature Sensor DTC P1402: EGR Function DTC P1440: EVAP Control System DTC P1444: EVAP Canister Purge Volume Control Valve (EVAP-CPVCV) DTC P1446: EVAP Canister Vent Control Valve (EVAP-CVCV) DTC P1447: EVAP Control System Purge Flow Monitoring DTC P1448: EVAP Canister Vent Control Valve (EVAP-CVCV) DTC P1464: Fuel Level Sensor Circuit (Ground Signal) DTC P1490: Vacuum Cut Valve By-Pass Valve DTC P1491: Vacuum Cut Valve By-Pass Valve DTC P1605: Automatic Transmission (A/T) Control DTC P1706: Park/Neutral Position (PNP) Switch