Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Programming
- Drive Cycles
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- System Tests
- Diagnostic Tests
- Notes
- DTC P0030: Ho2S Heater Control Circuit Sensor 1
- DTC P0036: Ho2S Heater Control Circuit Sensor 2
- DTC P0101: MAF Sensor Performance
- DTC P0102: MAF Sensor Circuit - Low Frequency
- DTC P0103: MAF Sensor Circuit - High Frequency
- DTC P0106: Map System Performance
- DTC P0107: Map Sensor Circuit - Low Voltage
- DTC P0108: Map Sensor Circuit - High Voltage
- DTC P0112: IAT Sensor Circuit - Low Voltage
- DTC P0113: IAT Sensor Circuit - High Voltage
- DTC P0116: ECT Sensor Performance
- DTC P0117: ECT Sensor Circuit - Low Voltage
- DTC P0118: ECT Sensor Circuit - High Voltage
- DTC P0121: TP Sensor Performance
- DTC P0122: TP Sensor Circuit - Low Voltage
- DTC P0123: TP Sensor Circuit - High Voltage
- DTC P0125: Excessive Time To Enter Closed Loop Fuel Control
- DTC P0128: ECT Less Than Thermostat Regulating Temperature
- DTC P0130 & P0150: Ho2S Bank 1 & 2, Sensor 1 Circuit
- DTC P0131 & P0151: Ho2S Bank 1 & 2, Sensor 1 Circuit - Low Voltage
- DTC P0132 & P0152: Ho2S Bank 1 & 2, Sensor 1 Circuit - High Voltage
- DTC P0133 & P0153: Ho2S Bank 1, Sensor 1 Circuit - Slow Response
- DTC P0134 & P0154: Ho2S Bank 1 & 2, Sensor 1 Circuit - Insufficient Activity
- DTC P0135: Ho2S Bank 1, Sensor 1 Heater Circuit
- DTC P0137: Ho2S Bank 1, Sensor 2 Circuit - Low Voltage
- DTC P0138: Ho2S Bank 1, Sensor 2 Circuit - High Voltage
- DTC P0140: Ho2S Bank 1, Sensor 2 - Insufficient Activity
- DTC P0141: Ho2S Bank 1, Sensor 2 Heater Circuit
- DTC P0155: Ho2S Bank 2, Sensor 1 Heater Circuit
- DTC P0171 & P0174: Fuel Trim System Lean Bank 1 & 2
- DTC P0172 & P0175: Fuel Trim System Rich Bank 1 & 2
- DTC P0200-P0208: Fuel Injector Control Circuits
- DTC P0230: Fuel Pump Control Relay Circuit
- DTC P0300-P0308: Engine Misfire Detected
- DTC P0325: Knock Sensor Module Circuit
- DTC P0326: Knock Sensor Circuit Excessive Spark Retard
- DTC P0327: Knock Sensor Circuit - Low Voltage
- DTC P0335: Crankshaft Position Sensor A Circuit Performance
- DTC P0336: Crankshaft Position Sensor A Circuit Performance
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0341: Camshaft Position Sensor Circuit Performance
- DTC P0351-P0358: Ignition Coil Primary Secondary Circuit
- DTC P0385: Crankshaft Position Sensor B Circuit
- DTC P0386: Crankshaft Position Sensor B Circuit Performance
- DTC P0401: EGR System - Insufficient Flow
- DTC P0403: EGR Valve Control Circuit
- DTC P0404: EGR Valve Open Pintle Position
- DTC P0405: EGR Pintle Position Circuit - Low Voltage
- DTC P0410: Secondary Air Injection System
- DTC P0412: Secondary Air Injection Relay Control Circuit
- DTC P0418: Secondary Air Injection Pump Relay Control Circuit
- DTC P0420: TWC System - Low Efficiency
- DTC P0440: EVAP System - Large Leak
- DTC P0442: EVAP System - Small Leak
- DTC P0443: EVAP Purge Solenoid Control Circuit
- DTC P0446: EVAP Vent Valve Performance
- DTC P0449: EVAP Vent Valve Performance
- DTC P0452: Fuel Tank Pressure Sensor - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor - High Voltage
- DTC P0502: Vehicle Speed Sensor Low Output
- DTC P0503: Vehicle Speed Sensor Erratic
- DTC P0506: Idle Control System - Low Rpm
- DTC P0507: Idle Control System - High Rpm
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 & P2610: Pcm Memory
- DTC P0650: Mil Control Circuit
- DTC P0719: Brake Switch Circuit - Low Input
- DTC P0724: Brake Switch Circuit - High Input
- DTC P1031: Ho2S Heater Current Monitor Control Circuit Sensors 1 & DTC P1032: Ho2S Heater Warm Up Control Circuit Sensors 1
- DTC P1106: Map System Performance
- DTC P1107: Map Sensor Circuit Low Voltage
- DTC P1111: IAT Sensor Circuit - Intermittent High Voltage
- DTC P1112: IAT Sensor Circuit - Intermittent Low Voltage
- DTC P1114: ECT Sensor Circuit - Intermittent Low Voltage
- DTC P1115: ECT Sensor Circuit - Intermittent High Voltage
- DTC P1121: TP Sensor Circuit - Intermittent High Voltage
- DTC P1122: TP Sensor Circuit - Intermittent Low Voltage
- DTC P1133 & P1153: Ho2S Bank 1 & 2, Sensor 1 - Insufficient Switching
- DTC P1134 & P1154: Ho2S Bank 1 & 2, Sensor 1 - Transition Time Ratio
- DTC P1336: Crankshaft System Variation Not Learned
- DTC P1359: Ignition Control Circuit Group A
- DTC P1360: Ignition Control Circuit Group B
- DTC P1372: Crankshaft Position Sensor Circuits Performance
- DTC P1380: EBCM DTC Detected Rough Road Data Unstable
- DTC P1381: Misfire Detected - No EBCM/Pcm Serial Data
- DTC P1404: EGR Valve Closed Pintle Position
- DTC P1415 & P1416: Air System - Bank 1 & 2
- DTC P1441: EVAP System Flow During Non-Purge
- DTC P1624: Customer Snapshot Data Available
- DTC P1633: Ignition 0 Power Circuit - Low Voltage
- DTC P1634: Ignition 1 Power Circuit - Low Voltage
- DTC P1635: 5-Volt Reference 1 Circuit
- DTC P1639: 5-Volt Reference 2 Circuit
- Wiring Diagrams