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HOMESERVICE MANUALSDODGE AND RAM2005MAGNUM R/T, AWDREPAIR AND DIAGNOSISBODY & FRAMESEATSPOWER SEAT SYSTEM - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB1D72 - SEAT FRONT VERTICAL POSITION SENSOR CIRCUIT HIGHDIAGNOSTIC TEST
2005 Dodge and Ram Magnum R/T, AWD

Diagnostic Test

2005 Dodge and Ram Magnum R/T, AWDSECTION Diagnostic Test
  1. 1)  TEST FOR INTERMITTENT CONDITION 

    Turn the ignition on.

    With the scan tool, record and erase DTC's

    Move the seat switch front vertical position 3 times.

    With the scan tool, read DTC's.

    Does the scan tool display B1D72 - SEAT FRONT VERTICAL POSITION SENSOR CIRCUIT HIGH? 

    Yes 

    1. Go To step  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. 2)  CHECK THE (G404) DRIVER SEAT FRONT VERTICAL POSITION SENSE VOLTAGE 

    Disconnect the Front 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 front vertical positions 3 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 another circuit, if OK replace the Front 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 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.