Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Scan Tool Usage
- Programming
- Drive Cycles
- Summary
- Diagnostic Trouble Code Definitions
- Connector Identification
- Diagnostic Tests
- DTC P0011: Intake Valve Timing Control Performance (Bank 1) Or DTC P0021: Intake Valve Timing Control Performance (Bank 2)
- DTC P0031, DTC P0032, DTC P0051 Or DTC P0052
- DTC P0037, DTC P0038, DTC P0057 Or DTC P0058
- DTC P0101: Mass Airflow Sensor Circuit Range/Performance Problem
- DTC P0102: Mass Air Flow Sensor Circuit Low Input Or DTC P0103: Mass Air Flow Sensor Circuit High Input
- DTC P0112: Intake Air Temperature Sensor Circuit Low Input Or DTC P0113: Intake Air Temperature Sensor Circuit High Input
- DTC P0117: Engine Coolant Temperature Sensor Circuit Low Input Or DTC P0118: Engine Coolant Temperature Sensor Circuit High Input
- DTC P0122: Throttle Position Sensor No. 2 Circuit Low Input Or DTC P0123: Throttle Position Sensor No. 2 Circuit High Input
- DTC P0125: Insufficient Engine Coolant Temperature For Closed Loop Fuel Control
- DTC P0127: Intake Air Temperature Too High
- DTC P0128: Thermostat Function
- DTC P0132: Heated Oxygen Sensor 1 Circuit High Voltage (Bank 1) Or DTC P0152: Heated Oxygen Sensor 1 Circuit High Voltage (Bank 2)
- DTC P0133: Heated Oxygen Sensor 1 Circuit Slow Response (Bank 1) Or DTC P0153: Heated Oxygen Sensor 1 Circuit Slow Response (Bank 2)
- DTC P0134: Heated Oxygen Sensor 1 Circuit No Activity Detected (Bank 1) Or DTC: P0154: Heated Oxygen Sensor 1 Circuit No Activity Detected (Bank 2)
- DTC P0138: Heated Oxygen Sensor 2 Circuit High Voltage (Bank 1) Or DTC P0158: Heated Oxygen Sensor 2 Circuit High Voltage (Bank 2)
- DTC P0139: Heated Oxygen Sensor 2 Circuit Slow Response (Bank 1) Or DTC P0159: Heated Oxygen Sensor 2 Circuit Slow Response (Bank 2)
- DTC P0171: Fuel Injection System Too Lean (Bank 1) Or DTC P0174: Fuel Injection System Too Lean (Bank 2)
- DTC P0172: Fuel Injection System Too Rich (Bank 1) Or DTC P0175: Fuel Injection System Too Rich (Bank 2)
- DTC P0181: Fuel Tank Temperature Sensor Circuit Range/Performance
- DTC P0182: Fuel Tank Temperature Sensor Circuit Low Input Or DTC P0183: Fuel Tank Temperature Sensor Circuit High Input
- DTC P0222: Throttle Position Sensor 1 Circuit Low Input Or DTC P0223: Throttle Position Sensor 1 Circuit High Input
- DTC P0300, DTC P0301, DTC P0302, DTC P0303, DTC P0304, DTC P0305, DTC P0306, DTC P0307 Or DTC P0308
- DTC P0327, DTC P0328, DTC P0332 Or DTC P0333
- DTC P0335: Crankshaft Position Sensor (Pos) Circuit
- DTC P0340: Camshaft Position Sensor (Phase) Circuit
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) Or DTC P0430: Catalyst System Efficiency Below Threshold (Bank 2)
- DTC P0441: EVAP Control System Incorrect Purge Flow
- DTC P0442: EVAP Control System Small Leak Detected (Negative Pressure)
- DTC P0444: EVAP Canister Purge Volume Control Solenoid Valve Circuit Open Or DTC P0445: EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
- DTC P0447: EVAP Canister Vent Control Valve Circuit Open
- DTC P0451: EVAP Control System Pressure Sensor Performance
- DTC P0452: EVAP Control System Pressure Sensor Low Input
- DTC P0453: EVAP Control System Pressure Sensor High Input
- DTC P0455: EVAP Control System Gross Leak Detected
- DTC P0456: Evaporative Emission Control System Very Small Leak (Negative Pressure Check)
- DTC P0460: Fuel Level Sensor Circuit Noise
- DTC P0461: Fuel Level Sensor Circuit Range/Performance
- DTC P0462: Fuel Level Sensor Circuit Low Input Or DTC P0463: Fuel Level Sensor Circuit High Input
- DTC P0500: Vehicle Speed Sensor
- DTC P0506: Idle Speed Control System Rpm Lower Than Expected
- DTC P0507: Idle Speed Control System Rpm Higher Than Expected
- DTC P0550: Power Steering Pressure Sensor Circuit
- DTC P0605: Engine Control Module
- DTC P1065: ECM Power Supply Circuit
- DTC P1102: Mass Airflow Sensor Circuit Range/Performance Problem
- DTC P1111: Intake Valve Timing Control Solenoid Valve Circuit (Bank 1) Or DTC P1136: Intake Valve Timing Control Solenoid Valve Circuit (Bank 2)
- DTC P1121: Electric Throttle Control Actuator
- DTC P1122: Electric Throttle Control Function Performance Problem
- DTC P1124: Throttle Control Motor Relay Circuit Short Or P1126: Throttle Control Motor Relay Circuit Open
- DTC P1128: Throttle Control Motor Circuit Short
- DTC P1140: Intake Valve Timing Control Position Sensor Circuit (Bank 1) Or DTC P1145: Intake Valve Timing Control Position Sensor Circuit (Bank 2)
- DTC P1143: Heated Oxygen Sensor 1 Lean Shift Monitoring (Bank 1) Or DTC P1163: Heated Oxygen Sensor 1 Lean Shift Monitoring (Bank 2)
- DTC P1144: Heated Oxygen Sensor 1 Rich Shift Monitoring (Bank 1) Or DTC P1164: Heated Oxygen Sensor 1 Rich Shift Monitoring (Bank 2)
- DTC P1146: Heated Oxygen Sensor 2 Minimum Voltage Monitoring (Bank 1) Or DTC P1166: Heated Oxygen Sensor 2 Minimum Voltage Monitoring (Bank 2)
- DTC P1147: Heated Oxygen Sensor 2 Maximum Voltage Monitoring (Bank 1) Or DTC P1167: Heated Oxygen Sensor 2 Maximum Voltage Monitoring (Bank 2)
- DTC P1148: Closed Loop Control Function (Bank 1) Or DTC P1168: Closed Loop Control Function (Bank 2)
- DTC P1211: TCS Control Unit
- DTC P1212: TCS Communication Line
- DTC P1217: Engine Over Temperature (Overheat)
- DTC P1225: Closed Throttle Position Learning Performance Problem
- DTC P1226: Closed Throttle Position Learning Performance Problem
- DTC P1229: Sensor Power Supply Circuit Short
- DTC P1444: EVAP Canister Purge Volume Control Solenoid Valve
- DTC P1446: EVAP Canister Vent Control Valve Close
- DTC P1564: Intelligent Cruise Control (ICC) Steering Switch
- DTC P1564: Automatic Speed Control Device (ASCD) Steering Switch
- DTC P1568: ICC Function
- DTC P1572: Intelligent Cruise Control (ICC) Brake Switch
- DTC P1572: Automatic Speed Control Device (ASCD) Brake Switch
- DTC P1574: Intelligent Cruise Control (ICC) Vehicle Speed Sensor
- DTC P1574: Automatic Speed Control Device (ASCD) Vehicle Speed Sensor
- DTC P1706: Park/Neutral Position Switch
- DTC P1720: Vehicle Speed Sensor (A/T Output)
- DTC P1780: Shift Change Signal
- DTC P1805: Brake Switch
- DTC P2122, DTC P2123, DTC P2127, DTC P2128 Or DTC P2138
- DTC P2135: Throttle Position Sensor Circuit Range/Performance Problem
- DTC U1000: Can Communication Line Or DTC U1001: Can Communication Line