Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Diagnostic Trouble Code Definitions
- Electronic Control Module Location
- Verifying Repairs
- Summary
- Intermittent Diagnostic Trouble Codes
- Terminal Identification
- Diagnostic Circuit Check
- Diagnostic Tests
- Notes
- DTC P0101: Volume Airflow (VAF) Circuit Malfunction (1.8L)
- DTC P0102: Volume Airflow (VAF) Circuit Low Input
- DTC P0103: Volume Airflow (VAF) Circuit High Input
- DTC P0106: Manifold Absolute Pressure (Map) Circuit Malfunction (1.5L), DTC P0107: Manifold Absolute Pressure (Map) Circuit Low Input (1.5L) Or DTC P0108: Manifold Absolute Pressure (Map) Circuit High Input (1.5L)
- DTC P0107: Barometric Pressure Circuit Low Input (1.8L)
- DTC P0108: Barometric Pressure Circuit High Input (1.8L)
- DTC P0111: Intake Air Temperature Circuit Malfunction
- DTC P0115: Engine Coolant Temperature (ECT) Circuit High Input, DTC P0116: Engine Coolant Temperature (ECT) Circuit Malfunction Or DTC P0117: Engine Coolant Temperature (ECT) Circuit Low Input
- DTC P0121: Throttle Position Sensor Circuit Malfunction, DTC P0122: Throttle Position Sensor Circuit Low Input Or DTC P0123: Throttle Position Sensor Circuit High Input
- DTC P0128: Coolant Thermostat Malfunction
- DTC P0130: Front Ho2S Circuit Malfunction (Sensor 1)
- DTC P0133: Ho2S Slow Response (Sensor 1)
- DTC P0134: Ho2S No Activity Detected (Sensor 1)
- DTC P0135: Ho2S Heater Circuit Malfunction (Sensor 1)
- DTC P0136: Ho2S Circuit Malfunction (Sensor 2)
- DTC P0139: Ho2S Slow Response (Sensor 2)
- DTC P0141: Ho2S Heater Circuit Malfunction (Sensor 2)
- DTC P0171: System Too Lean
- DTC P0172: System Too Rich
- DTC P0201-P0204: Fuel Injector No. 1-4 Circuit Malfunction
- DTC P0300: Random Misfire Detected
- DTC P0301-P0304: Cylinder No. 1-4 Misfire Detected
- DTC P0335: Crankshaft Position Sensor Circuit Malfunction
- DTC P0340: Camshaft Position Sensor Circuit Malfunction
- DTC P0401: Exhaust Gas RECIRCULATION (EGR) Flow Malfunction
- DTC P0403: Exhaust Gas RECIRCULATION Solenoid Malfunction
- DTC P0421: Warm-Up Catalytic Converter Efficiency Below Threshold
- DTC P0442: Evaporative Emission Control System Leak Detected
- DTC P0443: Evaporative Emission (EVAP) Control System Purge Control Valve Circuit Malfunction
- DTC P0446: Evaporative Emission (EVAP) Control System Ventilation Solenoid Circuit Malfunction
- DTC P0450: Evaporative Emission (EVAP) Control System Pressure Sensor Malfunction
- DTC P0451: Evaporative Emission (EVAP) Control System Pressure Sensor Range/Performance
- DTC P0455: Evaporative Emission (EVAP) Control System Large Leak Detected
- DTC P0500: Vehicle Speed Sensor (VSS) Malfunction
- DTC P0506: Idle Control System Rpm Lower Than Expected Or P0507 Idle Control System Rpm Higher Than Expected
- DTC P0510: Closed Throttle Position Switch Malfunction
- DTC P0551: Power Steering Pressure (PSP) Sensor Circuit Range/Performance
- DTC P0705: Transmission Range Sensor Circuit Malfunction (A/T)
- DTC P0710: Transmission Fluid Temperature Sensor Circuit Malfunction (A/T)
- DTC P0715: Transmission Input/Turbine Speed Sensor Circuit Malfunction (A/T)
- DTC P0720: Transmission Output Speed Sensor Circuit Malfunction (A/T)
- DTC P0725: Transmission Engine Speed Input Circuit Malfunction (A/T)
- DTC P0740: Transmission Torque Converter Clutch System Malfunction (A/T)
- DTC P0750: Transmission Shift Solenoid "A" Malfunction (A/T)
- DTC P0755: Transmission Shift Solenoid "B" Malfunction (A/T)
- DTC P0760: Transmission Shift Solenoid "C" Malfunction (A/T)
- DTC P0765: Transmission Shift Solenoid "D" Malfunction (A/T)
- DTC P1400: Manifold Differential Pressure (MDP) Sensor Circuit Malfunction (1.8L)
- DTC P1500: Generator Fr Terminal Circuit Malfunction
- DTC P1751: Transmission Control Relay Malfunction (A/T)