Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Summary
- Diagnostic Trouble Code Definitions
- Scan Tool Problems
- Component Locations
- Connector Identification
- Diagnostic Tests
- Notes
- DTC P0010 & DTC P0020
- DTC P0011, DTC P0012, DTC P0021 Or DTC P0022
- DTC P0016 & DTC P0018
- DTC P0031, DTC P0032, DTC P0051 & DTC P0052
- DTC P0037, DTC P0038, DTC P0057 & DTC P0058
- DTC P0100, DTC P0102 & DTC P0103
- DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance Fault
- DTC P0110, DTC P0112 & DTC P0113
- DTC P0115, DTC P0117 & DTC P0118
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem & DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0120, DTC P0122, DTC P0123, DTC P0220, DTC P0222, DTC P0223 & DTC P2135
- DTC P0121: Throttle Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem
- DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
- DTC P0134: Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1) & DTC P0154: Oxygen Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
- DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2) & DTC P0156: Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2)
- DTC P0171, DTC P0172, DTC P0174 & DTC P0175
- 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) & DTC P0330: Knock Sensor 2 Circuit (Bank 2)
- DTC P0335: Crankshaft Position Sensor "A" Circuit Malfunction & 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 Range/Performance (Bank 1 Or Single Sensor)
- DTC P0345, DTC P0347 & DTC P0348
- DTC P0351, DTC P0352, DTC P0353, DTC P0354, DTC P0355 &/Or DTC P0356
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) & DTC P0430: Catalyst System Efficiency Below Threshold (Bank 2)
- DTC P0441: Evaporative Emission Control System Incorrect Purge Flow & DTC P0446: Evaporative Emission Control System Vent Control Circuit
- DTC P0442: Evaporative Emission Control System Leak Detected (Small Leak) & DTC P0456: Evaporative Emission Control System Leak Detected (Very Small Leak)
- DTC P0451, DTC P0452 Or DTC P0453
- DTC P0500: Vehicle Speed Sensor "A" & DTC P0503: Vehicle Speed Sensor "A" Intermittent/Erratic/High
- DTC P0504: Brake Switch "A"/"B" Correlation
- DTC P0505: Idle Air Control System
- DTC P0560: System Voltage
- DTC P0571: Brake Switch "A" Circuit
- DTC P0604, DTC P0606, DTC P0607 & DTC P0657
- DTC P0617: Starter Relay Circuit High
- DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) & P0850: Park/Neutral Switch Input Circuit
- DTC P0724: Brake Switch "B" Circuit High
- 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 & DTC P2138
- DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance
- DTC P2195, DTC P2196, DTC P2197 & DTC P2198
- DTC P2237, DTC P2238, DTC P2239, DTC P2240, DTC P2241, DTC P2242 & DTC P2251, DTC P2252, DTC P2253, DTC P2254, DTC P2255 & DTC P2256
- DTC P2A00: Air/Fuel Sensor Circuit Slow Response (Bank 1 Sensor 1) & P2A03: Air/Fuel Sensor Circuit Slow Response (Bank 2 Sensor 1)