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HOMESERVICE MANUALSCHEVROLET2025SUBURBAN LS, RWDREPAIR AND DIAGNOSISBODY & FRAMESEATSPOWER SEATSDIAGNOSTIC INFORMATION AND PROCEDURESMEMORY SEAT FEATURE MALFUNCTIONCOMPONENT TESTING
2025 Chevrolet Suburban LS, RWD

Component Testing

2025 Chevrolet Suburban LS, RWDSECTION Component Testing

Driver Seat Memory Switch

  1. Ignition/Vehicle OFF, disconnect the connector at the S47D Front Seat Adjuster Memory Switch - Driver.
  2. Test for infinite resistance between each signal terminal listed below and the ground terminal 2 with the switch in the open position.
    • Terminal 3
    • Terminal 4
    • If less than infinite resistance 

      Replace the S47D Front Seat Adjuster Memory Switch - Driver.

    • Go to next step: If infinite resistance 
  3. Test for 20 - 80 Ω between the signal terminal 4 and the ground terminal 2 while pressing the Memory SET button.
    • If not between 20 - 80 Ω 

      Replace the S47D Front Seat Adjuster Memory Switch - Driver.

    • Go to next step: If between 20 - 80 Ω 
  4. Test for 820 - 1070 Ω between the signal terminal 3 and the ground terminal 2 while pressing the Memory 1 button.
    • If not between 820 - 1070 Ω 

      Replace the S47D Front Seat Adjuster Memory Switch - Driver.

    • Go to next step: If between 820 - 1070 Ω 
  5. Test for 2330 - 3170 Ω between the signal terminal 3 and the ground terminal 2 while pressing the Memory 2 button.
    • If not between 2330 - 3170 Ω 

      Replace the S47D Front Seat Adjuster Memory Switch - Driver.

    • Go to next step: If between 2330 - 31700 Ω 
  6. Test for 5085 - 7615 Ω between the signal terminal 3 and the ground terminal 2 while pressing the Exit button.
    • If not between 5085 - 7615 Ω 

      Replace the S47D Front Seat Adjuster Memory Switch - Driver.

    • Go to next step: If between 5085 - 7615 Ω 
  7. 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.