Powertrain Diagnostic Procedures

• Introduction
  • Notes
  • System Coverage
  • Six-Step Trouble Shooting Procedure
• Identification Of System
• System Description And Functional Operation
  • General Description
    • Powertrain
    • Transmission
  • Function Operation
    • Fuel Control (Gas)
    • On-Board Diagnostics
    • Transmission Control
      • Notes
      • Transmission Operation And Shift Scheduling At Various Oil Temperatures
    • O2 Sensor (NGC)
    • Other Controls
      • Charging System (NGC)
      • Vehicle Speed Control (NGC)
    • Non-Monitored Circuits
  • Diagnostic Trouble Codes
    • Notes
    • Diagnostic Trouble Code (DTC) Index
    • Hard Code
      • Powertrain
      • Transmission
    • One Trip Failure
    • Intermittent Code
    • Starts Since Set Counter
      • Powertrain
      • Transmission
    • Trouble Code Erasure
    • Quick Learn
    • EATX DTC Event Data
    • Clutch Volumes
    • No Start Information (Powertrain)
  • Using The DRBIII®
  • DRBIII® Error Messages And Blank Screen
    • Notes
    • DRBIII® Does Not Power Up
    • Display Is Not Visible
    • Some Display Items Read "___"
  • Transmission Simulator (Miller Tool # 8333) And Electronic Transmission Adapter Kit (Miller Tool #8333-1A)
• Disclaimers, Safety, Warnings
  • Disclaimers
  • Safety
    • Technician Safety Information
    • Vehicle Preparation For Testing
    • Servicing Sub-Assemblies
    • DRBIII® Safety Information
  • Warnings And Cautions
    • Road Test Warnings
    • Vehicle Damage Warnings
    • Road Testing A Complaint Vehicle (Transmission)
    • Electronic Pinion Factor Warnings (If Applicable)
    • Service Bulletins And Recalls
• Required Tools And Equipment
• Acronyms
  • Notes
  • Definitions
• Diagnostic Information And Procedures
  • DRIVEABILITY - NGC - Symptoms
    • Symptom: INTERMITTENT CONDITION
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *CHECKING A/C SYSTEM OPERATION WITH NO DTCS
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *CHECKING PCM POWERS AND GROUNDS
      • Possible Causes
      • Diagnostic Procedure
  • DRIVEABILITY - NGC - Diagnostic Tests
    • DTC P0016-Crankshaft/Camshaft Timing Misalignment
      • When Monitored and Set Condition:
        • P0016-Crankshaft/Camshaft Timing Misalignment
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0031-O2 Sensor 1/1 Heater Circuit Low; P0037-O2 Sensor 1/2 Heater Circuit Low; P0051-O2 Sensor 2/1 Heater Circuit Low; P0057-O2 Sensor 2/2 Heater Circuit Low
      • Notes
      • When Monitored and Set Condition:
        • P0031-O2 Sensor 1/1 Heater Circuit Low
        • P0037-O2 Sensor 1/2 Heater Circuit Low
        • P0051-O2 Sensor 2/1 Heater Circuit Low
        • P0057-O2 Sensor 2/2 Heater Circuit Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0032-O2 Sensor 1/1 Heater Circuit High; P0038-O2 Sensor 1/2 Heater Circuit High; P0052-O2 Sensor 2/1 Heater Circuit High; P0058-O2 Sensor 2/2 Heater Circuit High
      • Notes
      • When Monitored and Set Condition:
        • P0032-O2 Sensor 1/1 Heater Circuit High
        • P0038-O2 Sensor 1/2 Heater Circuit High
        • P0052-O2 Sensor 2/1 Heater Circuit High
        • P0058-O2 Sensor 2/2 Heater Circuit High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0068-Manifold Pressure/Throttle Position Correlation - Vacuum Leak Detected; P2074-Map Sensor/TP Sensor Correlation - Vacuum Leak Detected
      • Notes
      • When Monitored and Set Condition:
        • P0068-Manifold Pressure/Throttle Position Correlation - Vacuum Leak Detected
        • P2074-Map Sensor/TP Sensor Correlation - Vacuum Leak Detected
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0071-Ambient Temp Sensor Performance
      • When Monitored and Set Condition:
        • P0071-Ambient Temp Sensor Performance
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0072-Ambient Temp Sensor Circuit Low
      • When Monitored and Set Condition:
        • P0072-Ambient Temp Sensor Circuit Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0073-Ambient Temp Sensor Circuit High
      • When Monitored and Set Condition:
        • P0073-Ambient Temp Sensor Circuit High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0107-Map Sensor Circuit Low
      • When Monitored and Set Condition:
        • P0107-Map Sensor Circuit Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0108-Map Sensor Circuit High
      • When Monitored and Set Condition:
        • P0108-Map Sensor Circuit High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0111-Intake Air Temperature Sensor Performance
      • When Monitored and Set Condition:
        • P0111-Intake Air Temperature Sensor Performance
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0112-Intake Air Temperature Sensor Circuit Low
      • When Monitored and Set Condition:
        • P0112-Intake Air Temperature Sensor Circuit Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0113-Intake Air Temperature Sensor Circuit High
      • When Monitored and Set Condition:
        • P0113-Intake Air Temperature Sensor Circuit High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0116-Engine Coolant Temperature Circuit Performance
      • When Monitored and Set Condition:
        • P0116-Engine Coolant Temperature Circuit Performance
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0117-Engine Coolant Temperature Sensor Circuit Low
      • When Monitored and Set Condition:
        • P0117-Engine Coolant Temperature Sensor Circuit Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0118-Engine Coolant Temperature Sensor Circuit High
      • When Monitored and Set Condition:
        • P0118-Engine Coolant Temperature Sensor Circuit High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0122-Throttle Position Sensor No. 1 Low
      • When Monitored and Set Condition:
        • P0122-Throttle Position Sensor No. 1 Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0123-Throttle Position Sensor No. 1 High
      • When Monitored and Set Condition:
        • P0123-Throttle Position Sensor No. 1 High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0125-Insufficient Coolant Temp For Closed-Loop Fuel Control
      • When Monitored and Set Condition:
        • P0125-Insufficient Coolant Temp For Closed-Loop Fuel Control
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0128-Thermostat Rationality
      • When Monitored and Set Condition:
        • P0128-Thermostat Rationality
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0129-Barometric Pressure Out-Of-Range
      • When Monitored and Set Condition:
        • P0129-Barometric Pressure Out-Of-Range
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0131-O2 Sensor 1/1 Circuit Low Voltage; P0137-O2 Sensor 1/2 Circuit Low Voltage; P0151-O2 Sensor 2/1 Circuit Low Voltage; P0157-O2 Sensor 2/2 Circuit Low Voltage
      • Notes
      • When Monitored and Set Condition:
        • P0131-O2 Sensor 1/1 Circuit Low Voltage
        • P0137-O2 Sensor 1/2 Circuit Low Voltage
        • P0151-O2 Sensor 2/1 Circuit Low Voltage
        • P0157-O2 Sensor 2/2 Circuit Low Voltage
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0132-O2 Sensor 1/1 Circuit High Voltage; P0138-O2 Sensor 1/2 Circuit High Voltage; P0152-O2 Sensor 2/1 Circuit High Voltage; P0158-O2 Sensor 2/2 Circuit High Voltage
      • Notes
      • When Monitored and Set Condition:
        • P0132-O2 Sensor 1/1 Circuit High Voltage
        • P0138-O2 Sensor 1/2 Circuit High Voltage
        • P0152-O2 Sensor 2/1 Circuit High Voltage
        • P0158-O2 Sensor 2/2 Circuit High Voltage
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0133-O2 Sensor 1/1 Slow Response; P0139-O2 Sensor 1/2 Slow Response; P0153-O2 Sensor 2/1 Slow Response; P0159-O2 Sensor 2/2 Slow Response
      • Notes
      • When Monitored and Set Condition:
        • P0133-O2 Sensor 1/1 Slow Response
        • P0139-O2 Sensor 1/2 Slow Response
        • P0153-O2 Sensor 2/1 Slow Response
        • P0159-O2 Sensor 2/2 Slow Response
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0135-O2 Sensor 1/1 Heater Performance; P0141-O2 Sensor 1/2 Heater Performance; P0155-O2 Sensor 2/1 Heater Performance; P0161-O2 Sensor 2/2 Heater Performance
      • Notes
      • When Monitored and Set Condition:
        • P0135-O2 Sensor 1/1 Heater Performance
        • P0141-O2 Sensor 1/2 Heater Performance
        • P0155-O2 Sensor 2/1 Heater Performance
        • P0161-O2 Sensor 2/2 Heater Performance
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0171-Fuel System 1/1 Lean; P0174-Fuel System 2/1 Lean
      • Notes
      • When Monitored and Set Condition:
        • P0171-Fuel System 1/1 Lean
        • P0174-Fuel System 2/1 Lean
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0172-Fuel System 1/1 Rich; P0175-Fuel System 2/1 Rich
      • Notes
      • When Monitored and Set Condition:
        • P0172-Fuel System 1/1 Rich
        • P0175-Fuel System 2/1 Rich
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0201-Fuel Injector No. 1 Circuit; P0202-Fuel Injector No. 2 Circuit; P0203-Fuel Injector No. 3 Circuit; P0204-Fuel Injector No. 4 Circuit; P0205-Fuel Injector No. 5 Circuit; P0206-Fuel Injector No. 6 Circuit
      • Notes
      • When Monitored and Set Condition:
        • P0201-Fuel Injector No. 1 Circuit
        • P0202-Fuel Injector No. 2 Circuit
        • P0203-Fuel Injector No. 3 Circuit
        • P0204-Fuel Injector No. 4 Circuit
        • P0205-Fuel Injector No. 5 Circuit
        • P0206-Fuel Injector No. 6 Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0300-Multiple Cylinder Misfire; P0301-Cylinder No. 1 Misfire; P0302-Cylinder No. 2 Misfire; P0303-Cylinder No. 3 Misfire; P0304-Cylinder No. 4 Misfire; P0305-Cylinder No. 5 Misfire; P0306-Cylinder No. 6 Misfire
      • Notes
      • When Monitored and Set Condition:
        • P0300-Multiple Cylinder Misfire
        • P0301-Cylinder No. 1 Misfire
        • P0302-Cylinder No. 2 Misfire
        • P0303-Cylinder No. 3 Misfire
        • P0304-Cylinder No. 4 Misfire
        • P0305-Cylinder No. 5 Misfire
        • P0306-Cylinder No. 6 Misfire
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0315-No Crank Sensor Learned
      • When Monitored and Set Condition:
        • P0315-No Crank Sensor Learned
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0325-Knock Sensor No. 1 Circuit; P0330-Knock Sensor No. 2 Circuit
      • Notes
      • When Monitored and Set Condition:
        • P0325-Knock Sensor No. 1 Circuit
        • P0330-Knock Sensor No. 2 Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0335-Crankshaft Position Sensor Circuit
      • When Monitored and Set Condition:
        • P0335-Crankshaft Position Sensor Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0339-Crankshaft Position Sensor Intermittent
      • When Monitored and Set Condition:
        • P0339-Crankshaft Position Sensor Intermittent
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0340-Camshaft Position Sensor Circuit
      • When Monitored and Set Condition:
        • P0340-Camshaft Position Sensor Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0344-Camshaft Position Sensor Intermittent
      • When Monitored and Set Condition:
        • P0344-Camshaft Position Sensor Intermittent
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0420-Catalyst 1/1 Efficiency; P0421-Catalyst 1/1 Efficiency; P0430-Catalyst 2/1 Efficiency; P0431-Catalyst 2/1 Efficiency
      • Notes
      • When Monitored and Set Condition:
        • P0420-Catalyst 1/1 Efficiency
        • P0421-Catalyst 1/1 Efficiency
        • P0430-Catalyst 2/1 Efficiency
        • P0431-Catalyst 2/1 Efficiency
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0440-General EVAP System Failure
      • When Monitored and Set Condition:
        • P0440-General EVAP System Failure
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0441-EVAP Purge System Performance
      • When Monitored and Set Condition:
        • P0441-EVAP Purge System Performance
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0443-EVAP Purge Solenoid Circuit
      • When Monitored and Set Condition:
        • P0443-EVAP Purge Solenoid Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0452-NVLD Pressure Switch Stuck Closed
      • When Monitored and Set Condition:
        • P0452-NVLD Pressure Switch Stuck Closed
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0453-NVLD Pressure Switch Stuck Open
      • When Monitored and Set Condition:
        • P0453-NVLD Pressure Switch Stuck Open
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0455-EVAP System Large Leak
      • When Monitored and Set Condition:
        • P0455-EVAP System Large Leak
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0456-EVAP System Small Leak
      • When Monitored and Set Condition:
        • P0456-EVAP System Small Leak
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0457-Loose Fuel Fill Cap
      • When Monitored and Set Condition:
        • P0457-Loose Fuel Fill Cap
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0461-Fuel Level Sensor No. 1 Performance
      • When Monitored and Set Condition:
        • P0461-Fuel Level Sensor No. 1 Performance
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0462-Fuel Level Sensor No. 1 Low
      • When Monitored and Set Condition:
        • P0462-Fuel Level Sensor No. 1 Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0463-Fuel Level Sensor No. 1 High
      • When Monitored and Set Condition:
        • P0463-Fuel Level Sensor No. 1 High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0480-Cooling Fan No. 1 Control Circuit
      • When Monitored and Set Condition:
        • P0480-Cooling Fan No. 1 Control Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0481-Cooling Fan No. 2 Control Circuit
      • When Monitored and Set Condition:
        • P0481-Cooling Fan No. 2 Control Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0498-NVLD Canister Vent Valve Solenoid Circuit Low
      • When Monitored and Set Condition:
        • P0498-NVLD Canister Vent Valve Solenoid Circuit Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0499-NVLD Canister Vent Valve Solenoid Circuit High
      • When Monitored and Set Condition:
        • P0499-NVLD Canister Vent Valve Solenoid Circuit High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0501-Vehicle Speed Signal Performance
      • When Monitored and Set Condition:
        • P0501-Vehicle Speed Signal Performance
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0506-Idle Speed Performance Lower Than Expected
      • When Monitored and Set Condition:
        • P0506-Idle Speed Performance Lower Than Expected
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0507-Idle Speed Performance Higher Than Expected
      • When Monitored and Set Condition:
        • P0507-Idle Speed Performance Higher Than Expected
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0508-IAC Valve Signal Circuit Low
      • When Monitored and Set Condition:
        • P0508-IAC Valve Signal Circuit Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0509-IAC Valve Signal Circuit High
      • When Monitored and Set Condition:
        • P0509-IAC Valve Signal Circuit High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0513-Invalid Skim Key
      • When Monitored and Set Condition:
        • P0513-Invalid Skim Key
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0516-Battery Temperature Sensor Low
      • When Monitored and Set Condition:
        • P0516-Battery Temperature Sensor Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0517-Battery Temperature Sensor High
      • When Monitored and Set Condition:
        • P0517-Battery Temperature Sensor High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0522-Oil Pressure Voltage Low
      • When Monitored and Set Condition:
        • P0522-Oil Pressure Voltage Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0532-A/C Pressure Sensor Low
      • When Monitored and Set Condition:
        • P0532-A/C Pressure Sensor Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0533-A/C Pressure Sensor High
      • When Monitored and Set Condition:
        • P0533-A/C Pressure Sensor High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0551-Power Steering Switch Performance
      • When Monitored and Set Condition:
        • P0551-Power Steering Switch Performance
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0562-Battery Voltage Low
      • When Monitored and Set Condition:
        • P0562-Battery Voltage Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0563-Battery Voltage High
      • When Monitored and Set Condition:
        • P0563-Battery Voltage High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0572-Brake Switch No. 1 Circuit Low
      • When Monitored and Set Condition:
        • P0572-Brake Switch No. 1 Circuit Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0573-Brake Switch No. 1 Circuit High
      • When Monitored and Set Condition:
        • P0573-Brake Switch No. 1 Circuit High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0580-Speed Control Switch No. 1 Low
      • When Monitored and Set Condition:
        • P0580-Speed Control Switch No. 1 Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0581-Speed Control Switch No. 1 High
      • When Monitored and Set Condition:
        • P0581-Speed Control Switch No. 1 High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0582-Speed Control Vacuum Solenoid Circuit
      • When Monitored and Set Condition:
        • P0582-Speed Control Vacuum Solenoid Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0586-Speed Control Vent Solenoid Circuit
      • When Monitored and Set Condition:
        • P0586-Speed Control Vent Solenoid Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0594-Speed Control Servo Power Circuit
      • When Monitored and Set Condition:
        • P0594-Speed Control Servo Power Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0600-Serial Communication Link; P0601-Internal Memory Checksum Invalid
      • Notes
      • When Monitored and Set Condition:
        • P0600-Serial Communication Link
        • P0601-Internal Memory Checksum Invalid
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0622-Generator Field Control Circuit
      • When Monitored and Set Condition:
        • P0622-Generator Field Control Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0627-Fuel Pump Relay Circuit
      • When Monitored and Set Condition:
        • P0627-Fuel Pump Relay Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0630-VIN Not Programmed In Pcm
      • When Monitored and Set Condition:
        • P0630-VIN Not Programmed In Pcm
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0632-Odometer Not Programmed In Pcm
      • When Monitored and Set Condition:
        • P0632-Odometer Not Programmed In Pcm
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0633-Skim Key Not Programmed In Pcm
      • When Monitored and Set Condition:
        • P0633-Skim Key Not Programmed In Pcm
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0645-A/C Clutch Relay Circuit
      • When Monitored and Set Condition:
        • P0645-A/C Clutch Relay Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0685-ASD Relay Control Circuit
      • When Monitored and Set Condition:
        • P0685-ASD Relay Control Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0688-ASD Relay Sense Circuit Low
      • When Monitored and Set Condition:
        • P0688-ASD Relay Sense Circuit Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0700-Transmission Control System (Mil Request)
      • When Monitored and Set Condition:
      • Diagnostic Procedure
    • DTC P0850-Park/Neutral Switch Performance
      • When Monitored and Set Condition:
        • P0850-Park/Neutral Switch Performance
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1115-General Temperature Sensor Performance
      • When Monitored and Set Condition:
        • P1115-General Temperature Sensor Performance
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1593-Speed Control Switch No. 1 Stuck
      • When Monitored and Set Condition:
        • P1593-Speed Control Switch No. 1 Stuck
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1603-Pcm Internal Dual-Port Ram Communication; P1604-Pcm Internal Dual-Port Ram Read/Write Integrity Failure; P1607-Pcm Internal Shutdown Timer Rationality; P2610-Pcm Internal Engine Off Timer Rationality
      • Notes
      • When Monitored and Set Condition:
        • P1603-Pcm Internal Dual-Port Ram Communication
        • P1604-Pcm Internal Dual-Port Ram Read/Write Integrity Failure
        • P1607-Pcm Internal Shutdown Timer Rationality
        • P2610-Pcm Internal Engine Off Timer Rationality
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1696-Pcm Failure EEPROM Write Denied; P1697-Pcm Failure Sri Miles Not Stored
      • Notes
      • When Monitored and Set Condition:
        • P1696-Pcm Failure EEPROM Write Denied
        • P1697-Pcm Failure Sri Miles Not Stored
      • Possible Causes
      • Diagnostic Procedure
    • DTC P2096-Down Stream Fuel Trim Lean Bank 1; P2097-Down Stream Fuel Trim Rich Bank 1; P2098-Down Stream Fuel Trim Lean Bank 2; P2099-Down Stream Fuel Trim Rich Bank 2
      • Notes
      • When Monitored and Set Condition:
        • P2096-Down Stream Fuel Trim Lean Bank 1
        • P2097-Down Stream Fuel Trim Rich Bank 1
        • P2098-Down Stream Fuel Trim Lean Bank 2
        • P2099-Down Stream Fuel Trim Rich Bank 2
      • Possible Causes
      • Diagnostic Procedure
    • DTC P2302-Ignition Coil No. 1 Secondary Circuit - Insufficient Ionization; P2305-Ignition Coil No. 2 Secondary Circuit - Insufficient Ionization; P2308-Ignition Coil No. 3 Secondary Circuit - Insufficient Ionization
      • Notes
      • When Monitored and Set Condition:
        • P2302-Ignition Coil No. 1 Secondary Circuit-Insufficient Ionization
        • P2305-Ignition Coil No. 2 Secondary Circuit-Insufficient Ionization
        • P2308-Ignition Coil No. 3 Secondary Circuit-Insufficient Ionization
      • Possible Causes
      • Diagnostic Procedure
    • DTC P2503-Charging System Output Low
      • When Monitored and Set Condition:
        • P2503-Charging System Output Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC U0101-No Bus Message From Trans Control Module
      • When Monitored and Set Condition:
        • U0101-No Bus Message From Trans Control Module
      • Possible Causes
      • Diagnostic Procedure
    • DTC U0155-No Cluster Bus Message
      • When Monitored and Set Condition:
        • U0155-No Cluster Bus Message
      • Possible Causes
      • Diagnostic Procedure
    • DTC U0168-No Skim Bus Message
      • When Monitored and Set Condition:
        • U0168-No Skim Bus Message
      • Possible Causes
      • Diagnostic Procedure
  • Transmission - 42RLE - Symptoms
    • Symptom: *BACKUP LAMPS COME ON WHILE SHIFTER IS NOT IN REVERSE POSITION
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *BACKUP LAMPS INOPERATIVE
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *CHECKING PARK/NEUTRAL SWITCH OPERATION
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *INCORRECT TRANSMISSION FLUID LEVEL
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *NO SPEEDOMETER OPERATION
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *TRANSMISSION NOISY WITH NO DTC'S PRESENT
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *TRANSMISSION SHIFTS EARLY WITH NO DTC'S
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *TRANSMISSION SIMULATOR 8333 WILL NOT POWER UP
      • Diagnostic Procedure
  • Transmission - 42RLE - Diagnostic Tests
    • DTC P0122-Throttle Position Sensor/Apps Low
      • When Monitored and Set Condition:
        • P0122-Throttle Position Sensor/Apps Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0123-Throttle Position Sensor/Apps High
      • When Monitored and Set Condition:
        • P0123-Throttle Position Sensor/Apps High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0124-Throttle Position Sensor/Apps Intermittent
      • When Monitored and Set Condition:
        • P0124-Throttle Position Sensor/Apps Intermittent
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0218-High Temperature Operation Activated
      • When Monitored and Set Condition:
        • P0218-High Temperature Operation Activated
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0562-Low Battery Voltage
      • When Monitored and Set Condition:
        • P0562-Low Battery Voltage
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0604-Internal TCM
      • When Monitored and Set Condition:
        • P0604-Internal TCM
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0605-Internal TCM
      • When Monitored and Set Condition:
        • P0605-Internal TCM
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0613-Internal TCM
      • When Monitored and Set Condition:
        • P0613-Internal TCM
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0706-Check Shifter Signal
      • When Monitored and Set Condition:
        • P0706-Check Shifter Signal
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0711-Transmission Temperature Sensor Performance
      • When Monitored and Set Condition:
        • P0711-Transmission Temperature Sensor Performance
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0712-Transmission Temperature Sensor Low
      • When Monitored and Set Condition:
        • P0712-Transmission Temperature Sensor Low
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0713-Transmission Temperature Sensor High
      • When Monitored and Set Condition:
        • P0713-Transmission Temperature Sensor High
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0714-Transmission Temperature Sensor Intermittent
      • When Monitored and Set Condition:
        • P0714-Transmission Temperature Sensor Intermittent
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0715-Input Speed Sensor Error
      • When Monitored and Set Condition:
        • P0715-Input Speed Sensor Error
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0720-Output Speed Sensor Error
      • When Monitored and Set Condition:
        • P0720-Output Speed Sensor Error
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0725-Engine Speed Sensor Circuit
      • When Monitored and Set Condition:
        • P0725-Engine Speed Sensor Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0731-Gear Ratio Error In 1ST
      • When Monitored and Set Condition:
        • P0731-Gear Ratio Error In 1ST
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0732-Gear Ratio Error In 2ND
      • When Monitored and Set Condition:
        • P0732-Gear Ratio Error In 2ND
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0733-Gear Ratio Error In 3RD
      • When Monitored and Set Condition:
        • P0733-Gear Ratio Error In 3RD
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0734-Gear Ratio Error In 4TH
      • When Monitored and Set Condition:
        • P0734-Gear Ratio Error In 4TH
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0736-Gear Ratio Error In Reverse
      • When Monitored and Set Condition:
        • P0736-Gear Ratio Error In Reverse
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0740-TCC Out Of Range
      • When Monitored and Set Condition:
        • P0740-TCC Out Of Range
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0750-LR Solenoid Circuit
      • When Monitored and Set Condition:
        • P0750-LR Solenoid Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0755-2/4 Solenoid Circuit
      • When Monitored and Set Condition:
        • P0755-2/4 Solenoid Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0760-Od Solenoid Circuit
      • When Monitored and Set Condition:
        • P0760-Od Solenoid Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0765-UD Solenoid Circuit
      • When Monitored and Set Condition:
        • P0765-UD Solenoid Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0841-LR Pressure Switch Sense Circuit
      • When Monitored and Set Condition:
        • P0841-LR Pressure Switch Sense Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0845-2/4 Hydraulic Pressure Test Failure
      • When Monitored and Set Condition:
        • P0845-2/4 Hydraulic Pressure Test Failure
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0846-2/4 Pressure Switch Sense Circuit
      • When Monitored and Set Condition:
        • P0846-2/4 Pressure Switch Sense Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0870-Od Hydraulic Pressure Test Failure
      • When Monitored and Set Condition:
        • P0870-Od Hydraulic Pressure Test Failure
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0871-Od Pressure Switch Sense Circuit
      • When Monitored and Set Condition:
        • P0871-Od Pressure Switch Sense Circuit
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0882-TCM Power Input Low; P0888-Relay Output Always Off
      • Notes
      • When Monitored and Set Condition:
        • P0882-TCM Power Input Low
        • P0888-Relay Output Always Off
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0883-TCM Power Input High; P0891-Transmission Relay Always On
      • Notes
      • When Monitored and Set Condition:
        • P0883-TCM Power Input High
        • P0891-Transmission Relay Always On
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0884-Power Up At Speed
      • When Monitored and Set Condition:
        • P0884-Power Up At Speed
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0888-Relay Output Always Off
      • When Monitored and Set Condition:
        • P0888-Relay Output Always Off
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0890-Switched Battery
      • When Monitored and Set Condition:
        • P0890-Switched Battery
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0891-Transmission Relay Always On
      • When Monitored and Set Condition:
        • P0891-Transmission Relay Always On
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0897-Worn Out/Burnt Transaxle Fluid
      • When Monitored and Set Condition:
        • P0897-Worn Out/Burnt Transaxle Fluid
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0944-Loss Of Prime
      • When Monitored and Set Condition:
        • P0944-Loss Of Prime
      • Possible Causes
      • Diagnostic Procedure
    • DTC P0992- 2-4/Od Hydraulic Pressure Test Failure
      • When Monitored and Set Condition:
        • P0992- 2-4/Od Hydraulic Pressure Test Failure
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1652-Serial Communication Link Malfunction
      • When Monitored and Set Condition:
        • P1652-Serial Communication Link Malfunction
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1684-Battery Was Disconnected
      • When Monitored and Set Condition:
        • P1684-Battery Was Disconnected
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1687-No Communication With The Mic
      • When Monitored and Set Condition:
        • P1687-No Communication With The Mic
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1694-Bus Communication With Engine Module
      • When Monitored and Set Condition:
        • P1694-Bus Communication With Engine Module
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1713-Restricted Manual Valve In T2 Range
      • When Monitored and Set Condition:
        • P1713-Restricted Manual Valve In T2 Range
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1775-Solenoid Switch Valve Latched In TCC Position
      • When Monitored and Set Condition:
        • P1775-Solenoid Switch Valve Latched In TCC Position
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1776-Solenoid Switch Valve Latched In LR Position
      • When Monitored and Set Condition:
        • P1776-Solenoid Switch Valve Latched In LR Position
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1790-Fault Immediately After Shift
      • When Monitored and Set Condition:
        • P1790-Fault Immediately After Shift
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1793-TRD Link Communication Error
      • When Monitored and Set Condition:
        • P1793-TRD Link Communication Error
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1794-Speed Sensor Ground Error
      • When Monitored and Set Condition:
        • P1794-Speed Sensor Ground Error
      • Possible Causes
      • Diagnostic Procedure
    • DTC P1797-Manual Shift Overheat
      • When Monitored and Set Condition:
        • P1797-Manual Shift Overheat
      • Possible Causes
      • Diagnostic Procedure
  • Vehicle Theft/Security - Symptoms
    • Symptom List: ANTENNA FAILURE; COP FAILURE; EEPROM FAILURE; INTERNAL FAULT; RAM FAILURE; SERIAL LINK INTERNAL FAULT; STACK OVERFLOW FAILURE;
      • Notes
      • When Monitored and Set Condition:
        • Antenna Failure
        • Cop Failure
        • EEPROM Failure
        • Internal Fault
        • Ram Failure
        • Serial Link Internal Fault
        • Stack Overflow Failure
      • Possible Causes
      • Diagnostic Procedure
    • Symptom List: PCM STATUS FAILURE; SERIAL LINK EXTERNAL FAULT;
      • Notes
      • When Monitored and Set Condition:
        • Pcm Status Failure
        • Serial Link External Fault
      • Possible Causes
      • Diagnostic Procedure
    • Symptom List: ROLLING CODE FAILURE; VIN MISMATCH
      • Notes
      • When Monitored and Set Condition:
        • Rolling Code Failure
        • VIN Mismatch
      • Possible Causes
      • Diagnostic Procedure
    • Symptom List: TRANSPONDER COMMUNICATION FAILURE; TRANSPONDER CYCLIC REDUNDANCY CHECK (CRC) FAILURE; TRANSPONDER ID MISMATCH; TRANSPONDER RESPONSE MISMATCH;
      • Notes
      • When Monitored and Set Condition:
        • Transponder Communication Failure
        • Transponder Cyclic Redundancy Check (CRC) Failure
        • Transponder Id Mismatch
        • Transponder Response Mismatch
      • Possible Causes
      • Diagnostic Procedure
  • Verification Tests
    • Verification Tests
• Component Locations
  • Control Modules And PDC
    • Powertrain Control Module And Battery Location
    • Battery And Power Distribution Center Location
    • Transmission Control Module Location
  • Data Link Connector
  • Sensors And Solenoids
    • Battery Temperature Sensor Locations - 4.0L
    • Crankshaft Position Sensor Locations - 2.4L
    • Crankshaft Position Sensor Locations - 4.0L
    • Coil Rail and Camshaft Position Sensor Locations - 4.0L
    • Camshaft Position Sensor Locations - 2.4L
    • IAC, MAP & Intake Temperature Sensor Locations - 4.0L
    • Idle Air Control Motor & Throttle Position Sensor Locations - 2.4L
    • Engine Coolant Temperature Sensor Locations - 2.4L
    • Engine Coolant Temperature Sensor Locations - 4.0L
    • Oil Pressure Sensor Locations - 2.4L
    • Manifold Absolute Pressure Sensor Locations - 2.4L
    • Oxygen Sensors Locations - 2.4L
    • Fuel Injectors Locations - 4.0L
    • Speed Control Components Locations - 4.0L
    • 1/1 Federal & BUX Oxygen Sensor Location
    • 1/2 Federal & BUX Oxygen Sensor Location
    • 1/1 and 2/1 Calif & EURO III Oxygen Sensor Location
    • 1/2 and 2/2 Calif. & EURO III Oxygen Sensor Location
    • 1/2 Calif. & EURO III Oxygen Sensor Location
    • Powertrain Diagnostic Procedures
  • Fuel System
    • Fuel System Locations
    • EVAP Canister Location
    • EVAP System Locations
    • LDP & EVAP Locations
  • Switches
    • Brake Lamp Switch Locations
    • Power Steering Pressure Switch Locations
    • Speed Control Switch Locations
• Connector PINOUTS
  • A/C Compressor Clutch - Black 2 Way
  • A/C High Pressure Switch (4.0L) - Black 2 Way
  • A/C Low Pressure Switch - Green 2 Way
  • A/C Pressure Transducer (2.4L) - 4 Way
  • Ambient Temperature Sensor (Engine) - 2 Way
  • Brake Lamp Switch - Gray 6 Way
  • C102 - (Engine Side)
  • C102 - Gray (Headlamp And Dash Side)
  • C103 - Black (Engine Side)
  • C103 - Black (Headlamp And Dash Side)
  • C104 (RHD) - Black (Engine Side)
  • C104 (RHD) - Black (Headlamp And Dash Side)
  • C181 (2.4L) - Black (Engine Intake Side)
  • C181 (2.4L) - Black (Engine Side)
  • C182 (2.4L) - Black (Engine Intake Side)
  • C182 (2.4L) - Black (Engine Side)
  • Camshaft Position Sensor - Black 3 Way
  • CLOCKSPRING C1 - 4 Way
  • Coil Capacitor - 2 Way
  • Crankshaft Position Sensor - Black 3 Way
  • Engine Coolant Temperature Sensor - Black 2 Way
  • Engine Oil Pressure Switch - Black 2 Way
  • EVAP/Purge Solenoid - 2 Way
  • Fuel Injector No. 1 (2.4L) - 2 Way
  • Fuel Injector No. 1 (4.0L) - 2 Way
  • Fuel Injector No. 2 (2.4L) - 2 Way
  • Fuel Injector No. 2 (4.0L) - 2 Way
  • Fuel Injector No. 3 (2.4L) - 2 Way
  • Fuel Injector No. 3 (4.0L) - 2 Way
  • Fuel Injector No. 4 (2.4L) - 2 Way
  • Fuel Injector No. 4 (4.0L) - 2 Way
  • Fuel Injector No. 5 (4.0L) - 2 Way
  • Fuel Injector No. 6 (4.0L) - 2 Way
  • Fuel Pump Module - 4 Way
  • Generator - Black 2 Way
  • Generator (Component Side) - 3 Way
  • Idle Air Control Motor - 2 Way
  • Ignition Coil Pack (2.4L) - Black 3 Way
  • Ignition Coil Pack (4.0L) - Black 4 Way
  • Intake Air Temperature Sensor (2.4L) - 2 Way
  • Intake Air Temperature Sensor (4.0L) - Gray 2 Way
  • Left Speed Control Switch - 4 Way
  • Manifold Absolute Pressure Sensor - 3 Way
  • Natural Vacuum Leak Detection Assembly - Black 3 Way
  • Oxygen Sensor (Component Side) - 4 Way
  • Oxygen Sensor 1/1 Upstream (2.4L) - 4 Way
  • Oxygen Sensor 1/1 Upstream (4.0L) - 4 Way
  • Oxygen Sensor 1/2 Downstream - Black 4 Way
  • Oxygen Sensor 2/1 Upstream (4.0L) - 4 Way
  • Oxygen Sensor 2/2 Downstream (4.0L) - 4 Way
  • A/C Compressor Clutch Relay
  • Power Steering Pressure Switch (2.4L) - Black 2 Way
  • Powertrain Control Module C1 - Black/Black 38 Way
  • Powertrain Control Module C2 - Black/Orange 38 Way
  • Powertrain Control Module C3 - Black/Natural 38 Way
  • Radiator Fan Motor (2.4L) - 3 Way
  • Radiator Fan Motor Circuit Breaker (2.4L) - 2 Way
  • Right Speed Control Switch - 4 Way
  • Sentry Key Immobilizer Module - Black 6 Way
  • Speed Control Servo - Black 4 Way
  • Throttle Position Sensor (2.4L) - 3 Way
  • Throttle Position Sensor (4.0L) - 3 Way
  • Vehicle Speed Sensor - Black 3 Way
• Schematic Diagrams
  • Pcm Wiring Diagram (2.4L NGC)
  • Pcm Wiring Diagram (4.0L NGC)
  • Pcm Wiring Diagram (42RLE)
• Charts And Graphs
  • CMP & CKP Sensor Specifications (2.4L)
  • CMP & CKP Sensor Specifications (4.0L)
  • Pressure Switch States
  • Solenoid Application Chart
  • Shift Lever Error Codes
  • Transmission Temperature Sensor Charts