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Home >> Cadillac >> 2015 >> XTS Base >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Power Door Lock System And Release Systems >> Diagnostic Information and Procedures >> DTC B2494: Liftgate Handle Switch Circuit Malfunction >> Component Testing
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Component Testing

  1. Ignition OFF, disconnect the harness connector at the S58A Rear Compartment Lid Unlatch Switch-Exterior.
  2. Test for infinite resistance between the signal terminal 1 and the ground terminal 2 with the switch in the open position.
    • If less than infinite resistance 

      Replace the S58A Rear Compartment Lid Unlatch Switch-Exterior.

    • If infinite resistance 
  3. Test for less than 3 Ω between the signal terminal 1 and the ground terminal 2 with the switch in the closed position.
    • If 3 Ω or greater 

      Replace the S58A Rear Compartment Lid Unlatch Switch-Exterior.

    • If less than 3 Ω 
  4. All OK
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