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Home >> Chevrolet >> 2009 >> Traverse LS, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (Lighting System) >> Diagnostic Information and Procedures >> DTC C0297 >> 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 harness connector at the X2 harness connector at the ECM.
  2. Connect a test lamp between the ECM signal circuit terminal 52 and ground.
  3. Ignition ON, press and release the brake pedal. The test lamp should turn ON and OFF when changing between the selected states.
    • If the test lamp is always OFF, test the signal circuit for a short to ground or an open/high resistance. If the circuit test normal, replace the TCM.
  4. If all circuit tests normal, replace the BCM.
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