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HOMESERVICE MANUALSJEEP2008COMMANDER OVERLAND, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMESEATSPOWER SEAT SYSTEM - ELECTRICAL DIAGNOSTICSPOWER SEATS - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB1D76-SEAT REAR VERTICAL POSITION SENSOR CIRCUIT HIGHDIAGNOSTIC TEST
2008 Jeep Commander Overland, RWD

Diagnostic Test

2008 Jeep Commander Overland, RWDSECTION Diagnostic Test
  1. TEST FOR INTERMITTENT CONDITION 

    Turn the ignition on.

    With the scan tool, record and erase DTC's

    Move the seat switch rear vertical position three times.

    With the scan tool, read DTC's.

    Does the scan tool display B1D76-SEAT REAR VERTICAL POSITION SENSOR CIRCUIT HIGH? 

    Yes 

    1. Go To  2.

    No 

    1. The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
    2. Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1 .
  2. CHECK THE (G402) DRIVER SEAT REAR VERTICAL POSITION SENSE VOLTAGE 

    Disconnect the Rear Driver Vertical Seat Adjuster Motor.

    NOTE: Check connectors - Clean and repair as necessary.

    With the scan tool erase DTC's

    Move the seat switch in the both rear vertical positions three times.

    With the scan tool, read DTC's.

    Does the same DTC reset? 

    No 

    1. Inspect the position sense wire for a possible intermittent short to voltage from another circuit, if OK replace the Rear Driver Vertical Seat Adjuster Motor assembly.
    2. Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1 .

    Yes 

    1. Inspect the position sense wire for a possible short to voltage from another circuit, if OK replace the Memory Seat Module.
    2. Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1 .
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.