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Home >> Buick >> 2012 >> Enclave AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 153 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B2976 >> Component Testing
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Component Testing

WARNING: This page is about a different car, the 2013 GMC Acadia, 2013 Chevrolet Traverse, and 2013 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the driver door latch.
  2. Test for infinite resistance between the signal terminal 1 and the ground terminal 3 with the switch in the open position
    • If less than infinite resistance 

      Replace the driver door lock.

    • If infinite resistance 
  3. Test for less than 3 Ω between the signal terminal 1 and the ground terminal 3 with the switch in the closed position.
    • If 3 Ω or greater 

      Replace the driver door latch.

    • If less than 3 Ω 
  4. All OK