Engine Controls - Self-Diagnostics
- Diagnostic Trouble Code (DTC) Identification
- System Tests
- Diagnostic Tests
- DTC P0101: Mass Airflow (MAF) Performance Problem
- DTC P0102: Mass Airflow (MAF) Circuit Low Voltage
- DTC P0103: Mass Airflow (MAF) Circuit High Voltage
- DTC P0111: Intake Air Temperature (IAT) Sensor Circuit Range/Performance Problem
- DTC P0112: Intake Air Temperature (IAT) Sensor Circuit Low Input
- DTC P0113: Intake Air Temperature (IAT) Sensor Circuit High Input
- DTC P0116: Engine Coolant Temperature (ECT) Sensor Performance
- DTC P0117: Engine Coolant Temperature (ECT) Sensor Circuit Low Input
- DTC P0118: Engine Coolant Temperature (ECT) Sensor Circuit High Input
- DTC P0121: Throttle Position (TP) Sensor System Performance
- DTC P0122: Throttle Position (TP) Sensor Circuit Low Input
- DTC P0123: Throttle Position (TP) Sensor Circuit High Input
- DTC P0125: Insufficient Engine Coolant Temperature (ECT) To Enter Closed Loop
- DTC P0131: Heated Oxygen Sensor (Ho2S) Circuit Voltage Low Bank No. 1 Sensor No. 1 (B1 S1)
- DTC P0132: Heated Oxygen Sensor (Ho2S) No. 1 Circuit Voltage High Bank No. 1 Sensor No. 1 (B1 S1)
- DTC P0133: Heated Oxygen Sensor (Ho2S) Slow Response Bank No. 1 Sensor No. 1 (B1 S1)
- DTC P0134: Heated Oxygen Sensor (Ho2S) No Activity Detected Bank No. 1 Sensor No. 1 (B1 S1)
- DTC P0135: Heated Oxygen Sensor (Ho2S) No. 1 Heater Circuit Malfunction Bank No. 1 Sensor No. 1 (B1 S1)
- DTC P0136: Heated Oxygen Sensor (Ho2S) Circuit Voltage High Bank No. 1 Sensor No. 2 (B1 S2)
- DTC P0141: Heated Oxygen Sensor (Ho2S) Heater Circuit Malfunction Bank No. 1 Sensor No. 2 (B1 S2)
- DTC P0151: Heated Oxygen Sensor (Ho2S) Circuit Low Voltage Bank No. 2 Sensor No. 1 (B2 S1)
- DTC P0152: Heated Oxygen Sensor (Ho2S) Circuit High Voltage Bank No. 2 Sensor No. 1 (B2 S1)
- DTC P0153: Heated Oxygen Sensor (Ho2S) Circuit Slow Response Bank No. 2 Sensor No. 1 (B2 S1)
- DTC P0154: Heated Oxygen Sensor (Ho2S) No Activity Detected Bank No. 2 Sensor No. 1 (B2 S1)
- DTC P0155: Heated Oxygen Sensor (Ho2S) Heater Circuit Malfunction Bank No. 2 Sensor No. 1 (B2 S1)
- DTC P0156: Heated Oxygen Sensor (Ho2S) Circuit High Voltage Bank No. 2 Sensor No. 2 (B2 S2)
- DTC P0161: Heated Oxygen Sensor (Ho2S) Heater Circuit Malfunction Bank No. 2 Sensor No. 2 (B2 S2)
- DTC P0171: Fuel Trim System Lean Bank No. 1 Or DTC P0172: Fuel Trim System Rich Bank No. 1
- DTC P0174: Fuel Trim System Lean Bank No. 2 Or DTC P0175: Fuel Trim System Rich Bank No. 2
- DTC P0300: Random Misfire Or DTC P0301-P0306: Cylinders No. 1-6 Misfire
- DTC P0335: Crankshaft Position (CKP) Sensor Circuit Malfunction
- DTC P0340: Camshaft Position (CMP) Sensor Circuit Malfunction
- DTC P0400: Exhaust Gas RECIRCULATION (EGR) Flow Malfunction
- DTC P0420: Catalyst System (Bank 1) Efficiency Low Or DTC P0430: Catalyst System (Bank 2) Efficiency Low
- DTC P0440: Evaporative (EVAP) Control System Malfunction Or DTC P0455: Evaporative (EVAP) Control System Leak Detected
- DTC P0450: Evaporative (EVAP) Control System Pressure Sensor Malfunction
- DTC P0451: Evaporative (EVAP) Control System Pressure Sensor Performance
- DTC P0461: Fuel Level Sensor Circuit Performance
- DTC P0463: Fuel Level Sensor Circuit Voltage High
- DTC P0500: Vehicle Speed Sensor (VSS) Malfunction
- DTC P0505: Idle Air Control (IAC) System Malfunction
- DTC P0601: Pcm Memory Check Sum Error
- DTC P1408: Manifold Differential Pressure (MDP) Sensor Circuit Malfunction
- DTC P1410: Fuel Tank Pressure Control System Malfunction
- DTC P1450: Barometric Pressure Sensor Circuit Malfunction Or DTC P1451: Barometric Pressure Sensor Performance Problem
- DTC P1500: Engine Start Signal Circuit Malfunction
- DTC P1510: Pcm Backup Power Supply Malfunction