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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 246 (Power Door Lock System And Release Systems - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Power Door Dead Lock Malfunction (Sedan) >> 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.

Door Latch Test

  1. Ignition OFF, disconnect the harness connector at the appropriate A23 Door Latch Assembly.
  2. Install a 30 A fused jumper wire between one of the control terminals and 12 V. Momentarily install a jumper wire between the other control terminal and ground. Reverse the jumper wires at least two times, the A23 Door Latch Assembly should perform the LOCK and UNLOCK functions.
    • If the function does not perform the LOCK and UNLOCK function 

      Replace the A23 Door Latch Assembly.

    • If the function performs the LOCK and UNLOCK function 
  3. All OK
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