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Home >> Pontiac >> 2008 >> G6 Base, 2.4 B >> Repair and Diagnosis >> External Pages >> Different car >> Section 1114 (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 2010 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the rear parking assist display.
  2. Ignition ON, test for 10.0-12.5 V between the supply voltage circuit terminal A and ground.
    • If less than the specified range, test the supply voltage circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the rear object sensor control module.
    • If greater than the specified range, test the control circuit for a short to voltage. If the circuit tests normal, replace the rear object sensor control module.
  3. Command the appropriate LED ON with a scan tool and test for 9.5-12.5 V between the appropriate control circuit listed below and ground:
    • Amber 1 LED - terminal B
    • Amber 2 LED - terminal C
    • Red LED - terminal D
    • If less than the specified range, test the control circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the rear object sensor control module.
    • If greater than the specified range, test the control circuit for a short to voltage. If the circuit tests normal, replace the rear object sensor control module.
  4. If all circuits test normal, test or replace the rear parking assist display.
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