Engine Controls Self-Diagnostics - 4.3L
- Model Identification
- Introduction
- Self-Diagnostic System
- Programming
- Inspection/Maintenance Procedures
- Drive Cycles
- Inspection/Maintenance System Check
- Inspection/Maintenance Complete System Set Procedure
- Inspection/Maintenance System DTC Table ("L" & "M" Series)
- Inspection/Maintenance System DTC Table ("S" & "T" Series)
- Inspection/Maintenance Air System Set Procedure
- Inspection/Maintenance Catalyst System Set Procedure
- Inspection/Maintenance EGR System Set Procedure
- Inspection/Maintenance EVAP System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor (Ho2S/O2S) System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor (Ho2S) System Set Procedure
- Summary
- Diagnostic Trouble Code Definitions
- System Tests
- Diagnostic Tests
- Notes
- DTC P0101: Mass Airflow System Performance
- DTC P0102: Mass Airflow Sensor Circuit - Low Frequency
- DTC P0103: Mass Airflow Sensor Circuit - High Frequency
- DTC P0106: Manifold Absolute Pressure System Performance
- DTC P0107: Manifold Absolute Pressure Sensor Circuit - Low Voltage
- DTC P0108: Manifold Absolute Pressure Sensor Circuit - High Voltage
- DTC P0112: Intake Air Temperature Sensor Circuit - Low Voltage
- DTC P0113: Intake Air Temperature Sensor Circuit - High Voltage
- DTC P0117: Engine Coolant Temperature Sensor Circuit - Low Voltage
- DTC P0118: Engine Coolant Temperature Sensor Circuit - High Voltage
- DTC P0121: Throttle Position Sensor Performance
- DTC P0122: Throttle Position Sensor Circuit - Low Voltage
- DTC P0123: Throttle Position Sensor Circuit - High Voltage
- DTC P0125: Engine Coolant Temperature Excessive Time To Enter Closed Loop Fuel Control
- DTC P0128: Engine Coolant Temperature Exceeds Length Of Time To Reach Preset Temperature
- DTC P0131 Or P0151: Heated Oxygen Sensor Voltage Low ("L" & "M" Series)
- DTC P0131 Or P0151: Heated Oxygen Sensor Voltage Low ("S" & "T" Series)
- DTC P0132 Or P0152: Heated Oxygen Sensor Voltage High ("L" & "M" Series)
- DTC P0132 Or P0152: Heated Oxygen Sensor Voltage High ("S" & "T" Series)
- DTC P0133 Or P0153: Heated Oxygen Sensor - Slow Response ("L" & "M" Series)
- DTC P0133 Or P0153: Heated Oxygen Sensor - Slow Response ("S" & "T" Series)
- DTC P0134 Or P0154: Heated Oxygen Sensor Voltage Steady Within Bias Range ("L" & "M" Series)
- DTC P0134 Or P0154: Heated Oxygen Sensor Voltage Steady Within Bias Range ("S" & "T" Series)
- DTC P0135: Heated Oxygen Sensor Remains Within 150 Millivolts Of Start-Up Voltage ("L" & "M" Series)
- DTC P0135: Heated Oxygen Sensor Remains Within 150 Millivolts Of Start-Up Voltage ("S" & "T" Series)
- DTC P0137: Heated Oxygen Sensor Voltage Remains Low ("L" & "M" Series)
- DTC P0137: Heated Oxygen Sensor Voltage Remains Low ("S" & "T" Series)
- DTC P0138: Heated Oxygen Sensor Voltage Remains High ("L" & "M" Series)
- DTC P0138: Heated Oxygen Sensor Voltage Remains High ("S" & "T" Series)
- DTC P0140: Heated Oxygen Sensor Voltage Is Within Bias Range ("L" & "M" Series)
- DTC P0140: Heated Oxygen Sensor Voltage Is Within Bias Range ("S" & "T" Series)
- DTC P0141: Heated Oxygen Sensor Remains Within 150 Millivolts Of Start-Up Voltage ("L" & "M" Series)
- DTC P0141: Heated Oxygen Sensor Remains Within 150 Millivolts Of Start-Up Voltage ("S" & "T" Series)
- DTC P0155: Heated Oxygen Sensor Remains Within 150 Millivolts Of Start-Up Voltage ("L" & "M" Series)
- DTC P0155: Heated Oxygen Sensor Remains Within 150 Millivolts Of Start-Up Voltage ("S" & "T" Series)
- DTC P0171 Or P0174: Fuel Trim System Lean
- DTC P0172 Or P0175: Fuel Trim System Rich
- DTC P0200: Incorrect Voltage For The Commanded State Of Injector Driver
- DTC P0230: Incorrect Voltage On Fuel Pump Relay Control Circuit
- DTC P0300-P0306: Engine Misfire Detected
- DTC P0325: Knock Sensor Module Circuit
- DTC P0327: Knock Sensor Circuit
- DTC P0335: Crankshaft Position Sensor Signal Not Detected
- DTC P0336: Crankshaft Position Sensor Signal Out-Of-Range
- DTC P0341: Camshaft Position Sensor Signal Not Detected While Engine Is Running
- DTC P0351: Ignition Control Voltage Not Within Specified Range
- DTC P0401: EGR System - Insufficient Flow
- DTC P0404: EGR Position Sensor & Desired EGR Position Is More Than 10 Percent
- DTC P0405: EGR Position Sensor Signal Voltage Excessively Low
- DTC P0410: Air Injection System ("S" & "T" Series)
- DTC P0418: Secondary Air Injection Pump & Air Solenoid Circuit ("S" & "T" Series)
- DTC P0420 Or P0430: Three-Way Catalytic Converter - Low Efficiency
- DTC P0440: Evaporative Emission System ("L" & "M" Series)
- DTC P0442: Evaporative System Fails To Hold A Predetermined Level Of Vacuum
- DTC P0443: Evaporative System - Incorrect Voltage For The Commanded State Of EVAP Canister Purge Solenoid Driver
- DTC P0446: Evaporative System - Vacuum Decay Rate Is More Than A Predetermined Value
- DTC P0449: Evaporative System - Incorrect Voltage For The Commanded State Of EVAP Canister Vent Solenoid Driver
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage
- DTC P0500: Vehicle Speed Sensor (M/T Only)
- DTC P0506: Idle Speed - Low
- DTC P0507: Idle Speed - High
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681 Or P1683: Control Module EEPROM
- DTC P0650: Mil Fault Detection Circuit Senses Unexpected Voltage
- DTC P0719: Pcm Detects Open Brake Switch Circuit During Accelerations
- DTC P0724: Pcm Detects Closed Brake Switch Circuit During Decelerations
- 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: Throttle Position Sensor Circuit Intermittent & Excessively High Signal Voltage
- DTC P1122: Throttle Position Sensor Circuit Intermittent Low Voltage
- DTC P1133 Or P1153: Heated Oxygen Sensor - Insufficient Switching ("L" & "M" Series)
- DTC P1133 Or P1153: Heated Oxygen Sensor - Insufficient Switching ("S" & "T" Series)
- DTC P1134 Or P1154: Heated Oxygen Sensor Transition Time Ratio Not Within Calibrated Range ("L" & "M" Series)
- DTC P1134 Or P1154: Heated Oxygen Sensor Transition Time Ratio Not Within Calibrated Range ("S" & "T" Series)
- DTC P1258: Engine OVERTEMPERATURE Condition
- DTC P1336: Crankshaft Position Sensor System Variation Not Learned
- DTC P1345: Crankshaft/Camshaft Position Sensor Correlation
- DTC P1380: Misfire Detected - Rough Road Data Not Available
- DTC P1381: Serial Data Malfunction Exists - Preventing Pcm From Receiving Rough Road Detection Data
- DTC P1404: EGR Valve Is Still Open When Pcm Is Commanding EGR Valve Closed
- DTC P1415 Or P1416: Only One Ho2S Sensor Voltage Responded During Test ("S" & "T" Series)
- DTC P1441: Evaporative System - Vacuum Is Greater Than Calibrated Value ("L" & "M" Series)
- DTC P1441: Evaporative System - Vacuum Is Greater Than Calibrated Value ("S" & "T" Series)
- DTC P1635: 5-Volt Reference 1 Circuit Out Of Tolerance
- DTC P1639: 5-Volt Reference 2 Circuit Out Of Tolerance