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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 910 (Object Detection System) >> Diagnostic Information and Procedures >> DTC B0968 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the telltale assembly information center.
  2. Ignition ON, place the transmission in reverse. Verify a test lamp illuminates when connected between the supply voltage circuit terminal A and ground.
    • If the test lamp does not illuminate, test the supply voltage circuit for a short to ground or an open/high resistance.
  3. Ignition ON, scan tool installed, place the transmission in reverse. Verify that a test lamp illuminates when connected between the supply voltage circuit terminal A and each indicator control circuit terminals B, C, and D while performing the scan tool special functions LED test.
    • If the test lamp does not illuminate for one or more indicator control circuits, test the suspect indicator control circuit for a short to ground or an open/high resistance. If all the circuit(s) test normal, replace the telltale assembly information center.
  4. If all circuits test normal, test or replace the object alarm module.
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