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Engine Controls - Self-Diagnostics Expand All (for easy ctrl-f) Collapse All Introduction Self-Diagnostic System Diagnostic Tests Notes DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance Malfunction DTC P0102: Mass Or Volume Air Flow Circuit Low Input & DTC P0103: Mass Or Volume Air Flow Circuit High Input DTC P0110: Intake Air Temperature Sensor Circuit Range/Performance Malfunction, DTC P0112: Intake Air Temperature Sensor Circuit Low Input & DTC P0113: Intake Air Temperature Sensor Circuit High Input DTC P0116: Engine Coolant Temperature Circuit Range/Performance Malfunction, DTC P0117: Engine Coolant Temperature Sensor Circuit Low Input, DTC P0118: Engine Coolant Temperature Sensor Circuit High Input & DTC P0128: Engine Coolant Thermostat Stuck Open DTC P0121: Throttle Position Sensor Circuit Range/Performance Malfunction, DTC P0122: Throttle Position Sensor Circuit Low Input & DTC P0123: Throttle Position Sensor Circuit High Input DTC P0130: Front Heated Oxygen Sensor Circuit Malfunction, DTC P0131: Front Heated Oxygen Sensor Circuit Low Input, DTC P0132: Front Heated Oxygen Sensor Circuit High Input & DTC P0134: Front Heated Oxygen Sensor Circuit No Activity Detected DTC P0133: Front Heated Oxygen Sensor Slow Response DTC P0030: Front Heated Oxygen Sensor Heater Circuit Malfunction, DTC P0031: Front Heated Oxygen Sensor Heater Circuit Low Input & DTC P0032: Front Heated Oxygen Sensor Heater Circuit High Input DTC P0036: Rear Heated Oxygen Sensor Heater Circuit Malfunction, DTC P0037: Rear Heated Oxygen Sensor Heater Circuit Low Input & DTC P0038: Rear Heated Oxygen Sensor Heater Circuit High Input DTC P0136: Rear Heated Oxygen Sensor Circuit Malfunction, DTC P0137: Rear Heated Oxygen Sensor Circuit Low Input, DTC P0138: Rear Heated Oxygen Sensor Circuit High Input & DTC P0140: Rear Heated Oxygen Sensor Circuit No Activity Detected DTC P0139: Rear Heated Oxygen Sensor Circuit Slow Response DTC P0170: Fuel Trim Malfunction, DTC P0171: Fuel System Too Lean & P0172: Fuel System Too Rich DTC P0261/P0262: Fuel Injector No. 1 Circuit Low/High Input, DTC P0264/P0265: Fuel Injector No. 2 Circuit Low/High Input, DTC P0267/P0268: Fuel Injector No. 3 Circuit Low/High Input & DTC P0270/P0271: Fuel Injector No. 4 Circuit Low/High Input DTC P0300: Random Misfire Detected & P0301-P0304: Cylinder No. 1-4 Misfire Detected DTC P0325: Knock Sensor Circuit Malfunction DTC P0335: Crankshaft Position Sensor Circuit Malfunction & DTC P0336: Crankshaft Position Sensor Circuit Range/Performance DTC P0340: Camshaft Position Sensor Circuit Malfunction DTC P0422: Main Catalyst Efficiency Below Threshold DTC P0441: EVAP Emission Control System Purge Control Solenoid Valve Stuck Open DTC P0442: EVAP Emission Control System Small Leak & P1401: EVAP Emission Control System Malfunction DTC P0444: EVAP Emission Control System Purge Control Solenoid Valve Circuit Low Input & DTC P0445: EVAP Emission Control System Purge Control Solenoid Valve Circuit High Input DTC P0461: Fuel Level Sensor Circuit Range/Performance Malfunction, DTC P0462: Fuel Level Sensor Circuit Low Input, DTC P0463: Fuel Level Sensor Circuit High Input DTC P0501: Vehicle Speed Sensor Circuit Malfunction DTC P0506: Idle Air Control System Idle Rpm Lower Than Expected & DTC P0507: Idle Air Control System Idle Rpm Higher Than Expected DTC P0562: Battery Backup Circuit Low Input & DTC P0563: Battery Backup Circuit High Input DTC P0605: Internal Engine Control Module Malfunction DTC P1307: Chassis Acceleration Sensor Signal Malfunction, DTC P1308: Chassis Acceleration Sensor Signal Low Input & DTC P1309: Chassis Acceleration Sensor Signal High Input DTC P01402: Leak Detection Module Pump Circuit Malfunction DTC P01403: Leak Detection Module Solenoid Valve Circuit Malfunction DTC P01404: Leak Detection Module Heater Circuit Malfunction DTC P1505: Idle Air Control Valve Opening Coil Signal Low Input & DTC P1507: Idle Air Control Valve Closing Coil Signal Low Input DTC P1506: Idle Air Control Valve Opening Coil Signal High Input & DTC P1508: Idle Air Control Valve Closing Coil Signal High Input DTC P1586: Automatic Transaxle Or Manual Transaxle Encoding Malfunction DTC P1693: Transaxle Control Module Request For Malfunction Indicator Light On