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Engine Controls - Self-Diagnostics Expand All (for easy ctrl-f) Collapse All Identification Diagnostic Tests Symptom Diagnosis Trouble Code Diagnosis Diagnostic Trouble Codes Notes DTC P0106: Manifold Absolute Pressure Rationality DTC P0107: Manifold Absolute Pressure Low Voltage DTC P0108: Manifold Absolute Pressure High Voltage DTC P0112: Intake Air Temperature Low Voltage DTC P0113: Intake Air Temperature High Voltage DTC P0117: Engine Coolant Temperature Low Voltage DTC P0118: Engine Coolant Temperature High Voltage DTC P0121: Throttle Position Sensor Rationality DTC P0122: Throttle Position Sensor Low Voltage DTC P0123: Throttle Position Sensor High Voltage DTC P0125: Engine Coolant Temperature Insufficient For Closed Loop Fuel Control DTC P0128: Stuck Open Thermostat DTC P0131: O2 Bank No. 1, Sensor No. 1, Low Voltage DTC P0132: O2 Bank No. 1, Sensor No. 1, High Voltage DTC P0133: O2 Bank No. 1, Sensor No. 1, Slow Response DTC P0134: O2 Bank No. 1, Sensor No. 1, No Activity DTC P0137: O2 Bank No. 1, Sensor No. 2, Low Voltage DTC P0138: O2 Bank No. 1, Sensor No. 2, High Voltage DTC P0140: O2 Bank No. 1, Sensor No. 2, No Activity DTC P0141: O2 Bank No. 1, Sensor No. 2, Heater DTC P0171: Bank No. 1, System Too Lean DTC P0172: Bank No. 1, System Too Rich DTC P0201: Injector No. 1, Circuit Fault DTC P0202: Injector No. 2, Circuit Fault DTC P0203: Injector No. 3 Circuit Fault DTC P0204: Injector No. 4, Circuit Fault DTC P0300: Multiple Cylinder Misfire DTC P0301: Cylinder No. 1, Misfire DTC P0302: Cylinder No. 2 Misfire DTC P0303: Cylinder No. 3 Misfire DTC P0304: Cylinder No. 4 Misfire DTC P0325: Knock Sensor DSNEF Internal Malfunction DTC P0327: Knock Sensor Circuit Fault DTC P0336: 58X Crank Position Extra/Missing Pulses DTC P0337: 58X Crank Position No Signal DTC P0341: Camshaft Position Sensor Rationality DTC P0342: Camshaft Position Sensor No Signal DTC P0351: Ignition Control Circuit A Fault DTC P0352: Ignition Control Circuit B Fault DTC P0401: Exhaust Gas RECIRCULATION Insufficient Flow DTC P0402: Exhaust Gas RECIRCULATION Excessive Flow DTC P0404: Exhaust Gas RECIRCULATION Open Valve Position Error DTC P0405: Exhaust Gas RECIRCULATION Pintle Position Low Voltage DTC P0406: Exhaust Gas RECIRCULATION Pintle Position High Voltage DTC P0420: Catalyst Bank No. 1, Low Efficiency DTC P0440: Evaporative Emission System Large Leak/Low Tank Vacuum DTC P0442: Evaporative Emission System Small Leak DTC P0443: Evaporative Emission System Purge Control Circuit DTC P0446: Evaporative Emission System Vent Control Malfunction DTC P0449: Evaporative Emission System Vent Solenoid Circuit Fault DTC P0452: Fuel Tank Pressure Sensor Low Voltage DTC P0453: Fuel Tank Pressure Sensor - High Voltage DTC P0461: Fuel Level - Stuck DTC P0462: Fuel Level - Low Voltage DTC P0463: Fuel Level - High Voltage DTC P0464: Fuel Level Rationality DTC P0480: Low Speed Cooling Fan Control Circuit Fault DTC P0502: Vehicle Speed Sensor (Engine Side) No Signal DTC P0506: Idle Speed Rpm Lower Than Desired Idle Speed DTC P0507: Idle Speed Higher Than Desired Idle Speed DTC P0532: A/C Pressure Sensor Low DTC P0533: A/C Pressure Sensor High DTC P0562: System Voltage (Engine Side) Too Low DTC P0563: System Voltage (Engine Side) Too High DTC P0601: ECM (Engine Side) Checksum Fault DTC P0700: Transmission Control System Malfunction DTC P1106: Map Sensor - Intermittent High Voltage DTC P1107: Map Sensor - Intermittent Low Voltage DTC P1111: Intake Air Temperature Sensor - Intermittent High Voltage DTC P1112: Intake Air Temperature Sensor - Intermittent Low Voltage DTC P1114: Engine Coolant Temperature Sensor - Intermittent Low Voltage DTC P1115: Engine Coolant Temperature Sensor - Intermittent High Voltage DTC P1121: Throttle Position Sensor - Intermittent High Voltage DTC P1122: Throttle Position Sensor - Intermittent Low Voltage DTC P1130: O2 Bank No. 1, Sensor No. 1, Low Signal Variance DTC P1133: O2 Bank No. 1, Sensor No. 1, Too Few Transitions DTC P1134: O2 Bank No. 1, Sensor No. 1, Transition Ratio DTC P1171: Fuel Supply System Lean During Power Enrichment DTC P1336: 58X Crank Position Tooth Error Not Learned DTC P1391: G Sensor Rough Road Rationality DTC P1392: G Sensor Rough Road Low Voltage DTC P1393: G Sensor Rough Road High Voltage DTC P1404: Exhaust Gas RECIRCULATION Closed Valve Pintle Error DTC P1441: Evaporative Emission Continuous Purge Flow DTC P1508: Idle Air Control Counts Too Low DTC P1509: Idle Air Control Counts Too High DTC P1520: Park/Neutral Discrete Fault DTC P1546: A/C Clutch Output Circuit Fault DTC P1618: ECM Internal SPI Communication DTC P1625: ECM Internal System Reset DTC P1627: ECM A/D Conversion Error DTC P1635: ECM 5-Volt Reference Line Low DTC P1640: ODM Internal SPI Communication DTC P1781: TCM Mil Request Control Circuit Fault DTC P1782: TCM Mil Request Data Invalid DTC P1895: TCM-To-ECM Torque Reduction Signal Fault System Specifications Wiring Diagrams Torque Specifications