Section 18 (Engine Controls Self-Diagnostics - 4.3L)
WARNING: This page is about a different variant/trim than selected.
- Introduction
- Self-Diagnostic System
- On-Board Diagnostics
- Intermittent Conditions
- Notes
- Preliminary
- Harness or Connector Intermittents
- Electrical Connections or Wiring
- Control Module Power & Grounds, & Component Power & Grounds
- Temperature Sensitivity
- Electromagnetic Interference & Electrical Noise
- Incorrect PCM Programming
- Duplicating Failure Conditions
- Scan Tool Snapshot
- Vehicle Data Recorder
- Diagnostic Starting Point - Engine Controls
- Diagnostic System Check - Engine Controls
- Diagnostic System Check - Engine Cooling
- Retrieving Diagnostic Trouble Codes
- Clearing Diagnostic Trouble Codes
- Scan Tool Usage
- Powertrain Control Module Location
- Programming
- Drive Cycles
- Notes
- Inspection/Maintenance System Check
- Inspection/Maintenance Complete System Set Procedure
- Inspection/Maintenance Catalyst System Set Procedure
- Inspection/Maintenance Evaporative Emission System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor Heater System Set Procedure
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- System Tests
- Diagnostic Tests
- Notes
- DTC P0016: Crankshaft Position-To-Camshaft Position Correlation
- DTC P0101: Mass Air Flow 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 P0131: Ho2S Circuit - Low Voltage - Bank 1, Sensor 1 & DTC P0151: Ho2S Circuit - Low Voltage - Bank 2, Sensor 1
- DTC P0132: Ho2S Circuit - High Voltage - Bank 1, Sensor 1 & DTC P0152: Ho2S Circuit - High Voltage - Bank 2, Sensor 1
- DTC P0133: Ho2S Circuit - Slow Response - Bank 1, Sensor 1 & DTC P0153: Ho2S Circuit - Slow Response - Bank 2, Sensor 1
- DTC P0134: Ho2S Circuit - Insufficient Activity - Bank 1, Sensor 1 & DTC P0154: Ho2S Circuit - Insufficient Activity - Bank 2, Sensor 1
- DTC P0135: Ho2S Heater Circuit - Bank 1, Sensor 1, DTC P0141: Ho2S Heater Circuit - Bank 1, Sensor 2, DTC P0155: Ho2S Heater Circuit - Bank 2, Sensor 1, & DTC P0161: Ho2S Heater Circuit - Bank 2, Sensor 2
- DTC P0137: Ho2S Circuit - Low Voltage - Bank 1, Sensor 2 & DTC P0157: Ho2S Circuit - Low Voltage - Bank 2, Sensor 2
- DTC P0138: Ho2S Circuit - High Voltage - Bank 1, Sensor 2 & DTC P0158: Ho2S Circuit - High Voltage - Bank 2, Sensor 2
- DTC P0140: Ho2S Circuit - Insufficient Activity - Bank 1, Sensor 2 & DTC P0160: Ho2S Circuit - Insufficient Activity - Bank 2, Sensor 2
- DTC P0171: Fuel Trim System Lean - Bank 1 & DTC P0174: Fuel Trim System Lean - Bank 2
- DTC P0172: Fuel Trim System Rich - Bank 1 & DTC P0175: Fuel Trim System Rich - Bank 2
- DTC P0200: Fuel Injector Control Circuit
- DTC P0230: Fuel Pump Control Relay Circuit
- DTC P0300-P0306: Engine Misfire Detected
- DTC P0315: Crankshaft Position System Variation Not Learned
- DTC P0325: Knock Sensor Module Circuit
- DTC P0327: Knock Sensor Circuit - Low Voltage
- DTC P0335: Crankshaft Position Sensor Circuit
- DTC P0336: Crankshaft Position Sensor Circuit Performance
- DTC P0341: Camshaft Position Sensor Circuit Performance
- DTC P0351: Ignition Control Circuit
- DTC P0420: TWC System - Low Efficiency - Bank 1 & DTC P0430: TWC System - Low Efficiency - Bank 2
- DTC P0442: EVAP System - Small Leak
- DTC P0443: EVAP Purge Solenoid Control Circuit
- DTC P0446: EVAP Vent System Blocked Or Restricted
- DTC P0449: EVAP Canister Vent Solenoid Valve Control Circuit
- DTC P0452: Fuel Tank Pressure Sensor - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor - High Voltage
- DTC P0455: EVAP System Leak Detected (Gross Leak/No Flow)
- DTC P0496: EVAP System High Purge Flow
- 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/Programming Malfunction
- DTC P0641: 5-Volt Reference Circuit Out-Of-Range
- DTC P0650: Mil Control Circuit
- DTC P0651: Sensor Reference Voltage Circuit
- DTC P1106: Map Sensor Circuit - Intermittent High Voltage
- DTC P1107: Map Sensor Circuit - Intermittent Low Voltage
- DTC P1111: IAT Sensor Circuit - Intermittent High Signal Voltage
- DTC P1112: IAT Sensor Circuit - Intermittent Low Signal Voltage
- DTC P1114: ECT Sensor Circuit - Intermittent Low Signal Voltage
- DTC P1115: ECT Sensor Circuit - Intermittent High Signal Voltage
- DTC P1121: TP Sensor Circuit - Intermittent High Signal Voltage
- DTC P1122: TP Sensor Circuit - Intermittent Low Signal Voltage
- DTC P1133: Ho2S Circuit - Insufficient Switching - Bank 1, Sensor 1 & DTC P1153: Ho2S Circuit - Insufficient Switching - Bank 2, Sensor 1
- DTC P1258: Engine Over-Temperature Condition
- DTC P1380: EBCM DTC Detected - Rough Road Data Unstable
- DTC P1381: Misfire Detected - No EBCM/Pcm Serial Data
- Wiring Diagrams