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HOMESERVICE MANUALSCHEVROLET2019TRAX PREMIER, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 94 (POWER SEAT SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESPOWER SEAT MALFUNCTION (WITH MEMORY AAG)COMPONENT TESTING
2019 Chevrolet Trax Premier, AWD

Component Testing

2019 Chevrolet Trax Premier, AWDSECTION Component Testing
WARNING: This page is about a different car, the 2018 Chevrolet Trax and 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

Seat Adjuster Switch Test

  1. Ignition OFF, disconnect the harness connector at the S64D Seat Adjuster Switch - Driver.
  2. Test for infinite resistance between the ground terminal D and each signal terminal with the switch in the open position.
    • If less than infinite resistance 

      Replace the S64D Seat Adjuster Switch - Driver.

    • Go to next step: If infinite resistance 
  3. Test for less than 2 Ω between the ground terminal D and each signal terminal with the appropriate switch in the closed position.
    • If 2 Ω or greater 

      Replace the S64D Seat Adjuster Switch - Driver.

    • Go to next step: If less than 2 Ω 
  4. All OK.

Seat Motor

  1. Ignition OFF, disconnect the harness connector at the appropriate seat motor listed below:
    • M50D Seat Front Vertical Motor - Driver
    • M51D Seat Horizontal Motor - Driver
    • M55D Seat Rear Vertical Motor - Driver
    2. NOTE:

    When performing the following tests, make sure that the seat is not already in the position the test is attempting to produce.

  2. Install a 30 A fused jumper wire between control terminal 1 and 12 V.
  3. Momentarily install a jumper wire between control terminal 3 and ground. The seat motor should momentarily perform the appropriate FORWARD/ REARWARD/ UP/ DOWN function.
    • If the motor does not perform the FORWARD/ REARWARD/ UP/ DOWN function 

      Replace the motor.

    • Go to next step: If the motor performs the FORWARD/ REARWARD/ UP/ DOWN function 
  4. Reverse the jumper wires; the motor should perform FORWARD/ REARWARD/ UP/ DOWN function.
    • If the motor does not perform the FORWARD/ REARWARD/ UP/ DOWN function 

      Replace the motor.

    • Go to next step: If the motor performs the FORWARD/ REARWARD/ UP/ DOWN function 
  5. All OK.
RENDER: 1.0x

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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.