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Home >> Chevrolet >> 2010 >> Traverse LS, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC C0297 >> Circuit/System Testing
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Testing

WARNING: This page is about a different car, the 2009 Saturn Outlook, 2009 GMC Acadia, 2009 Chevrolet Traverse, and 2009 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 TCM and the X1 harness connector at the ECM.
  2. Connect a test lamp between the TCM signal circuit terminal 16 and ground.
  3. Ignition ON, press and release the brake pedal. The test lamp should turn ON and OFF when pressing and releasing the brake pedal.
    • If the test lamp is always ON, test the signal circuit for a short to voltage. If the circuit test normal, replace the BCM.
    • 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 BCM.
  4. Ignition OFF, connect the harness connector at the TCM.
  5. Connect a test lamp between the ECM signal circuit terminal 7 and ground.
  6. Ignition ON, press and release the brake pedal. The test lamp should turn ON and OFF when pressing and releasing the brake pedal.
    • 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.
  7. If all circuit tests normal, replace the ECM.
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