Engine Controls - Self-Diagnostics - 3.0L

• Diagnostic Trouble Code Definitions
• Circuit Tests
  • Notes
  • Intermittent DTCS
  • Scan Tool Will Not Communicate
    • Notes
    • No Communication With All Systems
    • No Communication With PCM
  • Malfunction Indicator Light (Mil)
    • MIL Does Not Come On
    • Malfunction Indicator Light (MIL) Stays On
• Diagnostic Tests
  • DTC P0100: Volume Airflow (VAF) Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0105: BARO Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0110: Intake Air Temperature (IAT) Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0115: Engine Coolant Temperature (ECT) Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0120: Throttle Position (TP) Sensor Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0125: Excessive Time To Enter Closed Loop Fuel Control
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0130: Front Heated Oxygen Sensor (Ho2S) Circuit Malfunction (Federal), Or Bank 1 Sensor 1 Heated Oxygen Sensor (Ho2S) Circuit Malfunction (CALIFORNIA)
    • Notes
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0135: Front Heated Oxygen Sensor (Ho2S) Heater Circuit Malfunction (Federal), Or Bank 1 Sensor 1 Heated Oxygen Sensor (Ho2S) Heater Circuit Malfunction (CALIFORNIA)
    • Notes
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0136: Rear Heated Oxygen Sensor (Ho2S) Circuit Malfunction (Federal), Or Bank 1 Sensor Heated Oxygen Sensor (Ho2S) Circuit Malfunction (CALIFORNIA)
    • Notes
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0141: Rear Heated Oxygen Sensor (Ho2S) Heater Circuit Malfunction (Federal), Or Bank 1 Sensor 1 Heated Oxygen Sensor (Ho2S) Heater Circuit Malfunction (CALIFORNIA)
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0150: Bank 2 Sensor 1 Heated Oxygen Sensor (Ho2S) Circuit Malfunction (CALIFORNIA)
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0155: Bank 2 Sensor 1 Heated Oxygen Sensor (Ho2S) Heater Circuit Malfunction (CALIFORNIA)
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0156: Bank 2 Sensor 2 Heated Oxygen Sensor (Ho2S) Circuit Malfunction (CALIFORNIA)
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0161: Bank 2 Sensor 2 Heated Oxygen Sensor (Ho2S) Heater Circuit Malfunction (CALIFORNIA)
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0170: Fuel Trim Malfunction (Federal)
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0170: Bank 1 Fuel Trim Malfunction (CALIFORNIA)
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0173: Bank 2 Fuel Trim Malfunction (CALIFORNIA)
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0201-P0206: Injectors No. 1-6 Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0300: Random Misfire Detected
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0301-P0306: Cylinders No. 1-6 Misfire Detected
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0325: Knock Sensor (KS) No. 1 Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0335: Crankshaft Position (CKP) Sensor Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0340: Camshaft Position (CMP) Sensor Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0400: Exhaust Gas RECIRCULATION (EGR) Flow Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0403: Exhaust Gas RECIRCULATION (EGR) Flow Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0420: Catalytic Converter Efficiency Below Threshold (Federal)
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0421 Or P0431: Bank 1 Or Bank 2 Warm-Up Catalytic Converter Efficiency Below Threshold (CALIFORNIA)
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0442: Evaporative (EVAP) Control System Small Leak Or Blockage Detected
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0443: Evaporative (EVAP) Control System Purge Control Valve Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0446: Evaporative (EVAP) Control System Vent Control Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0450: Evaporative (EVAP) Emission Control System Pressure Sensor Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0455: Evaporative (EVAP) Control System Large Leak Or Blockage Detected
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0500: Vehicle Speed Sensor (VSS) Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0505: Idle Control System Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0551: Power Steering Pressure (PSP) Sensor Circuit Range/Performance
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0705: Transmission Range Sensor Circuit Malfunction (A/T)
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0710: Transaxle Fluid Temperature Sensor Circuit Malfunctions
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0715: Input/Turbine Speed Sensor Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0720: Output Speed Sensor Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0725: Engine Speed Input Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0740: Torque Converter Clutch System Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0750: Shift Solenoid "A" Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0755: Shift Solenoid "B" Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0760: Shift Solenoid "C" Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P0765: Shift Solenoid "D" Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P1400: Manifold Differential Pressure (MDP) Sensor Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P1500: Generator Fr Terminal Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P1600: Serial Communication Link Malfunction (A/T)
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P1751: A/T Control Relay Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
  • DTC P1795: Throttle Position Input Circuit Malfunction
    • DTC Set Criteria
    • Probable Cause
    • Diagnostic Procedure
• Summary