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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 272 (Power Seat System) >> Diagnostic Information and Procedures >> DTC B2755 or B2765: Memory Select/Set Switch Circuit >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2017 Cadillac ATS. 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.

    • 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.

    • If less than 4 Ω 
  4. Test for 570-697 Ω between the signal terminal 6 and the low reference terminal 1 while pressing the memory 1 button.
    • If not between 570-697 Ω 

      Replace the S47D Seat Memory Switch - Driver.

    • If between 570-697 Ω 
  5. Test for 1803-2204 Ω between the signal terminal 6 and the low reference terminal 1 while pressing the memory 2 button.
    • If not between 1803-2204 Ω 

      Replace the S47D Seat Memory Switch - Driver.

    • If between 1803-2204 Ω 
  6. Test for 5.52k-6.74 kΩ between the signal terminal 6 and the low reference terminal 1 while pressing the Exit button.
    • If not between 5.52k-6.74 kΩ 

      Replace the S47D Seat Memory Switch - Driver.

    • If between 5.52k-6.74 kΩ 
  7. All OK.