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Home >> Chevrolet >> 2010 >> Traverse LS, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 366 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B2500: Driver Exterior Unlock Switch >> Component Testing
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Component Testing

WARNING: This page is about a different car, the 2015 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the A23D door latch assembly-driver.
  2. Test for infinite resistance between the signal terminal 8 and the ground terminal 9 with the switch in the open position.
    • If less than infinite resistance 

      Replace the A23D door latch assembly-driver.

    • If infinite resistance 
  3. Test for less than 2 Ω between the signal terminal 8 and the ground terminal 9 with the switch in the closed position.
    • If 2 Ω or greater 

      Replace the A23D door latch assembly-driver.

    • If less than 2 Ω 
  4. All OK
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