Engine Controls - Tests W/Codes - 3.8L

• Introduction
• Self-Diagnostic System
  • Notes
  • Type "A"
  • Type "B"
  • Type "C"
  • Type "D"
  • Hard Failures
  • Intermittent Failures
  • DTC Info Mode
  • DTC Status
  • Fail This IGN.
  • History
  • Last Test Fail
  • Mil Request
  • Not Run SCC
  • Test Fail SCC
  • Failed Since Clear
  • Not Run Since Cl.
  • Not Run This IGN.
  • Test Ran And Passed
  • Diagnostic Procedure
  • Reading Trouble Codes
  • Trouble Code Definition
  • Hard Or Intermittent Trouble Code Determination
  • Clearing Diagnostic Trouble Codes (DTC)
  • Pcm/VCM Location
  • Diagnostic Materials
    • Diagnostic Aids
  • Special Tools (Diagnostic)
  • Scan Tool Usage
  • Scan Data
• Specifications
• Summary
• Diagnostic Trouble Codes
  • Notes
  • DTC P0101 - MAF Sensor System Performance
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0102 - MAF Sensor Circuit Low Frequency
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0103 - MAF Sensor Circuit High Frequency
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0106 - Map Sensor System Performance
    • Circuit Description
    • Conditions required to test for DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0107 - Map Sensor Circuit Low Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0108 - Map Sensor Circuit High Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0112 - IAT Sensor Circuit Low Voltage
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0113 - IAT Sensor Circuit High Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0117 - ECT Sensor Circuit Low Voltage
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0118 - ECT Sensor Circuit High Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0121 - TP Sensor System Performance
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0122 - TP Sensor Circuit Low Voltage
    • Notes
    • Circuit Description
    • Condition required to test for DTC is:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0123 - TP Sensor Circuit High Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0125 - ECT Sensor Excessive Time To Reach Closed Loop
    • Notes
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0131 - Ho2S 1 Circuit Low Voltage
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0132 - Ho2S 1 Circuit High Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0133 - Ho2S 1 Slow Response
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0134 - Ho2S 1 Circuit Insufficient Activity
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0135 - Ho2S 1 Heater Circuit
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0137 - Ho2S 2 Circuit Low Voltage
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0138 - Ho2S 2 Circuit High Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0140 - Ho2S Insufficient Activity Sensor 2
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0141 - Ho2S 2 Heater Circuit
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0143 - Ho2S Circuit Low Voltage Bank 1, Sensor 3
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0144 - Ho2S Circuit High Voltage Bank 1, Sensor 3
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0146 - Ho2S Circuit Insufficient Activity Bank 1,
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0147 - Ho2S Heater Circuit Bank 1, Sensor 3
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0151 - Ho2S Circuit Low Voltage Bank 2, Sensor 1
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0152 - Ho2S Circuit High Voltage Bank 2, Sensor 1
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0153 - Ho2S Slow Response Bank 2, Sensor 1
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0154 - Ho2S Circuit Insufficient Activity
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0155 - Ho2S Heater Circuit Bank 2, Sensor 1
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0171 - Fuel Trim System Lean Bank 1
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0172 - Fuel Trim System Rich Bank 1
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0174 - Fuel Trim System Lean Bank 2
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0175 - Fuel Trim System Rich Bank 2
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0300 - Engine Misfire Detected
    • Notes
    • Circuit Description
    • Conditions required to set code are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0325 - Knock Sensor Module Circuit
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0326 - Knock Sensor Circuit High Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0327 - Knock Sensor Circuit Low Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0336 - 18X Reference Signal Circuit
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0341 - Camshaft Position Sensor Circuit Performance
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0401 - EGR System Insufficient Flow
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0420 - TWC System Low Efficiency
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0441 - EVAP System No Flow During Purge
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0500 - VSS Circuit Manual Transmission
    • Circuit Description
    • Conditions required to test for DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0506 - IAC System Rpm Low
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0507 - IAC System Rpm High
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0530 - A/C Refrigerant Pressure Sensor Circuit
    • Circuit Description
    • Conditions required to set DTC are:
    • Or
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0560 - System Voltage
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0601 - Pcm Memory
    • Circuit Description
    • Condition required to set DTC is:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0602 - Pcm Not Programmed
    • Circuit Description
    • Condition required to set DTC is:
    • Diagnostic Procedures
  • DTC P0704 - Clutch Switch Circuit
    • Circuit Description
    • Conditions required to set DTC are:
    • Or
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P0705 - Transaxle Range Switch Circuit
    • Circuit Description
    • Condition required to set DTC is:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1106 - Map Sensor Circuit Intermittent High Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1107 - Map Sensor Circuit Intermittent Low Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1111 - IAT Sensor Circuit Intermittent High Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1112 - IAT Sensor Circuit Intermittent Low Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1114 - ECT Sensor Circuit Intermittent Low Voltage
    • Notes
    • Circuit Description
    • Condition required to set DTC is:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1115 - ECT Sensor Circuit Intermittent High Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1121 - TP Sensor Circuit Intermittent High Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1122 - TP Sensor Circuit Intermittent Low Voltage
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1133 - Ho2S Insufficient Switching Sensor 1
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1134 - Ho2S Transition Time Ratio Sensor 1
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1153 - Ho2S Insufficient Switching Bank 2, Sensor 1
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1154 - Ho2S Sensor Transition Time Ratio Bank 2,
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1200 - Injector Control Circuit
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1350 - Ignition Control (Ic) Circuit
    • Notes
    • Circuit Description
    • Condition required to set DTC is:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1361 - Ignition Control (Ic) Circuit Not Toggling
    • Notes
    • Circuit Description
    • Condition required to set DTC is:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1374 - 3X Reference Circuit
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1381 - Misfire Detected No EBCM/Pcm Serial Data
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1406 - EGR Valve Pintle Position Circuit
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1441 - EVAP Emissions System Flow During Non-Purge
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1442 - EVAP Emission System Vacuum Switch Circuit
    • Notes
    • Circuit Description
    • Condition required to set DTC is:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1554 - Cruise Control Status Circuit
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1626 - Theft Deterrent System Fuel Enable Circuit
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1629 - Theft Deterrent System Fuel Enable Circuit
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1635 - 5 Volt-Reference "A" Circuit
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1639 - 5 Volt-Reference "B" Circuit
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1641 - Mil Circuit
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1651 - Fan 1 Relay Control Circuit
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1652 - Fan 2 Relay Control Circuit
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1654 - A/C Relay Control Circuit
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1655 - EVAP Emission Purge Solenoid Control Circuit
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids
  • DTC P1662 - Cruise Control Inhibit Circuit
    • Notes
    • Circuit Description
    • Conditions required to set DTC are:
    • Diagnostic Procedures
    • Diagnostic Aids