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Home >> Chevrolet >> 2010 >> Traverse LS, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 230 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B2495 (Manual Liftgate) >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2011 GMC Acadia, 2011 Chevrolet Traverse, and 2011 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the L/GATE relay.
  2. Connect a test lamp between the control circuit terminal 85 and ground.
  3. Command the liftgate latch assembly by pressing and releasing the exterior liftgate switch. The test lamp should turn ON and OFF when changing between the commanded states.
    • If the test lamp is always OFF, test the control circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the BCM.
    • If the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the BCM.
  4. If all circuits test normal, test or replace the L/GATE relay.
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