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HOMESERVICE MANUALSGMC2020ACADIA SLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 210 (POWER SEATS)DIAGNOSTIC INFORMATION AND PROCEDURESMEMORY SEAT FEATURE MALFUNCTIONCOMPONENT TESTING
2020 GMC Acadia SL

Component Testing

2020 GMC Acadia SLSECTION Component Testing
WARNING: This page is about a different car, the 2021 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

Driver Seat Memory Switch

  1. Ignition OFF, disconnect the harness connector at the S47D Seat Memory Switch - Driver.
  2. Test for infinite resistance between each signal terminal listed below and the low reference terminal 1 with the switch in the open position.
    • Terminal 5
    • Terminal 6
    • If less than infinite resistance 

      Replace the S47D Seat Memory Switch - Driver.

    • Go to next step: If infinite resistance 
  3. Test for less than 4 Ω between the signal terminal 5 and the low reference terminal 1 while pressing the Memory SET button.
    • If 4 Ω or greater 

      Replace the S47D Seat Memory Switch - Driver.

    • Go to next step: If less than 4 Ω 
  4. Test for 573 - 701 Ω between the signal terminal 6 and the low reference terminal 1 while pressing the Memory 1 button.
    • If not between 573 - 701 Ω 

      Replace the S47D Seat Memory Switch - Driver.

    • Go to next step: If between 573 - 701 Ω 
  5. Test for 1800 - 2201 Ω between the signal terminal 6 and the low reference terminal 1 while pressing the Memory 2 button.
    • If not between 1800 - 2201 Ω 

      Replace the S47D Seat Memory Switch - Driver.

    • Go to next step: If between 1800 - 2201 Ω 
  6. Test for 5.52k - 6.73 kΩ between the signal terminal 6 and the low reference terminal 1 while pressing the Exit button.
    • If not between 5.52k - 6.73 kΩ 

      Replace the S47D Seat Memory Switch - Driver.

    • Go to next step: If between 5.52k - 6.73 kΩ 
  7. All OK.
RENDER: 1.0x

NO RELATED

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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.