Engine Control System Self Diagnostics - V6
- Introduction
- Self-Diagnostic System
- Summary
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0031: Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1) & DTC P0032: Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)
- DTC P0037: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2) & DTC P0038: Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
- DTC P0100, DTC P0102 &/Or DTC P0103
- DTC P0101: Mass Airflow Meter Circuit Range/Performance
- DTC P0110, DTC P0112 &/Or DTC P0113
- DTC P0115, DTC P0117 &/Or DTC P0118
- DTC P0116: Engine Coolant Temperature Sensor Circuit Range/Performance & P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0120, DTC P0122, DTC P0123, DTC P0220, DTC P0222, DTC P0223 &/Or DTC P2135
- DTC P0120, DTC P0122 &/Or DTC P0123
- DTC P0121: Throttle Position Sensor Circuit Range/Performance
- DTC P0128: Thermostat Malfunction
- DTC P0134: Oxygen (A/F) Sensor Circuit No Activity Detected (B1, S1)
- DTC P0136: Heated Oxygen Sensor Circuit Malfunction (B1, S2)
- DTC P0171: System Too Lean (Bank 1) Or DTC P0172: System Too Rich (Bank 1)
- DTC P0300, DTC P0301, DTC P0302, DTC P0303, DTC P0304, DTC P0305 Or DTC P0306
- DTC P0325: Knock Sensor 1 Circuit (Bank 1 Or Single Sensor) Or DTC P0330: Knock Sensor 2 Circuit (Bank 2)
- DTC P0335: Crankshaft Position Sensor "A" Circuit Or DTC P0339: Crankshaft Position Sensor "A" Circuit Intermittent
- DTC P0340: Camshaft Position Sensor "A" Circuit (Bank 1 Or Single Sensor) & DTC P0341: Camshaft Position Sensor "A" Circuit (Single Sensor)
- DTC P0351: Ignition Coil "A" Primary/Secondary Circuit
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1)
- DTC P0441: EVAP Emission Control System Incorrect Purge Flow Or DTC P0446: EVAP Emission Control System Vent Control Circuit
- DTC P0442: EVAP Emission Control System Leak Detected (Small Leak) & DTC P0456: EVAP Emission Control System Leak Detected (Very Small Leak)
- DTC P0451, DTC P0452 & DTC P0453
- DTC P0500: Vehicle Speed Sensor "A" Circuit &/Or DTC P0503: Vehicle Speed Sensor "A" Circuit Intermittent/ Erratic/ High
- DTC P0505: Idle Control System Malfunction (With ETCS)
- DTC P0505: Idle Air Control System Malfunction &/Or DTC P0511: Idle Air Control Circuit Malfunction
- DTC P0560: System Voltage Circuit
- DTC P0604, DTC P0606, DTC P0607 &/Or DTC P0657
- DTC P0617: Starter Relay Circuit High Input
- DTC P0724: Brake Switch "B" Circuit High
- DTC P1126: Magnetic Clutch Circuit
- DTC P2102: Throttle Actuator Control Motor Circuit Low & DTC P2103: Throttle Actuator Control Motor Circuit High
- DTC P2111: Throttle Actuator Control System Stuck Open & DTC P2112: Throttle Actuator Control System Stuck Closed
- DTC P2118: Throttle Actuator Control Motor Current Range/Performance
- DTC P2119: Throttle Actuator Control Throttle Body Range/Performance
- DTC P2120, DTC P2122, DTC P2123, DTC P2125, DTC P2127, DTC P2128 &/Or DTC P2138
- DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance Problem
- DTC P2195: Oxygen (A/F) Sensor Circuit Stuck Lean (Bank 1, Sensor 1) &/Or DTC P2196: Oxygen (A/F) Sensor Circuit Stuck Rich (Bank 1, Sensor 1)
- DTC P2237, DTC P2238 &/Or DTC P2239
- DTC P2A00: Air/Fuel Sensor Circuit Response Malfunction (B1, S1)