Engine Controls - Self-Diagnostics - 2.3L
- Introduction
- Self-Diagnostic System
- Test Equipment
- Summary
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0100: Mass Airflow Meter (MAF) Circuit Malfunction
- DTC P0105: Manifold Absolute Pressure (Map) Circuit Malfunction
- DTC P0110: Air Cleaner Intake Air Temperature (IAT) Circuit Malfunction
- DTC P0115: Engine Coolant Temperature (ECT) Circuit Malfunction
- DTC P0120: Throttle Position (TP) Circuit Malfunction
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0130: Front Right Ho2S Circuit Malfunction & DTC P0150: Front Left Ho2S Circuit Malfunction
- DTC P0134: Front Right Ho2S Circuit, No Activity Detected & P0154: Front Left Ho2S Circuit, No Activity Detected
- DTC P0135: Right Front Ho2S Heater Circuit Malfunction
- DTC P0138: Right Rear Ho2S Circuit, High Input & P0158: Left Rear Ho2S Circuit, High Input
- DTC P0140: Right Rear Ho2S Circuit, No Activity Detected & P0160: Left Rear Ho2S Circuit, No Activity Detected
- DTC P0141: Right Rear Ho2S Heater Circuit Malfunction
- DTC P0155: Left Front Ho2S Heater Circuit Malfunction
- DTC P0161: Left Rear Ho2S Heater Circuit Malfunction
- DTC P0170: Right Bank Fuel Trim System Malfunction & P0173: Right Bank Fuel Trim System Malfunction
- DTC P0300: Random Misfire Detected
- DTC P0301: Cylinder No. 1, Misfire Detection Monitor, DTC P0302: Cylinder No. 2 Misfire Detection Monitor, DTC P0303: Cylinder No. 3 Misfire Detection Monitor, DTC P0304: Cylinder No. 4 Misfire Detection Monitor, DTC P0305: Cylinder No. 5 Misfire Detection Monitor &/Or DTC P0306: Cylinder No. 6 Misfire Detection Monitor
- DTC P0325: Knock Sensor (KS) Circuit Malfunction
- DTC P0335: Crankshaft Position Sensor (CKP) Sensor Circuit Malfunction
- DTC P0400: EGR System Malfunction
- DTC P0404: EGR Circuit, Range/Performance Problem
- DTC P0421: Right Bank Catalyst System Efficiency Below Threshold & DTC P0431: Left Bank Catalyst System Efficiency Below Threshold
- DTC P0442: EVAP Control System, Small Leak Detected
- DTC P0443: EVAP Control System Purge Control Valve Circuit Malfunction
- DTC P0450: Fuel Tank Pressure Sensor Circuit Malfunction
- DTC P0451: Fuel Tank Pressure Sensor, Performance Problem
- DTC P0455: EVAP Control System, Excessive Leak Or Blockage Detected
- DTC P0464: Fuel Gauge Sending Unit Circuit, Slosh Check
- DTC P0480: Condenser Fan Relay No. 1 Control Circuit Malfunction
- DTC P0481: Cooling Fan Relay No. 1 & Condenser Fan Relay No. 2 Circuit Malfunction
- DTC P0482: Cooling Fan Relay No. 2 & No. 3 Circuit Malfunction
- DTC P0500: Vehicle Speed Sensor (VSS) Circuit Malfunction
- DTC P0505: Idle Air Control System Malfunction
- DTC P0510: Closed Throttle Position (CTP) Switch Circuit Malfunction
- DTC P0550: Power Steering Pressure Switch Circuit Malfunction
- DTC P0703: Brake Switch Input Malfunction
- DTC P1110: Air Intake Resonator Intake Air Temperature (IAT) Circuit Malfunction
- DTC P1113: LYSHOLM Compressor (L/C) IAT Circuit Malfunction
- DTC P1170: Right Front Ho2S, No Inversion & DTC P1173: Left Front Ho2S, No Inversion
- DTC P1196: Starter Signal Circuit Malfunction
- DTC P1250: Pressure Regulator Control (PRC) Solenoid Valve Circuit Malfunction
- DTC P1345: Camshaft Position (CMP) Sensor Circuit Malfunction
- DTC P1402: EGR Valve Position Sensor Circuit Malfunction
- DTC P1450: EVAP Control System Malfunction, Excessive Vacuum
- DTC P1455: Fuel Gauge Sender Unit Circuit Malfunction
- DTC P1508: By-Pass Solenoid Valve Circuit Malfunction
- DTC P1524: Charge Air Cooler By-Pass Solenoid Valve Circuit Malfunction
- DTC P1525: Air By-Pass Valve (ABV) Solenoid Valve (Vacuum) Circuit Malfunction
- DTC P1526: Air By-Pass Valve (ABV) Solenoid Valve (Vent) Circuit Malfunction
- DTC P1540: Air By-Pass Valve (ABV) Control System Malfunction
- DTC P1601: Communication Line Error (Pcm-TCM)
- DTC P1609: Pcm Internal Malfunction
- DTC P1627: Pcm - Anti-Lock Brake System (Abs)/Traction Control System (TCS) Abs Hydraulic Unit (HU)/Control Module (Cm) Line Communication Error
- DTC P1628: Pcm - Anti-Lock Brake System (Abs)/Traction Control System (TCS) Control Module Line Communication Error
- DTC P1794: Pcm +BB Voltage Low