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Home >> GMC >> 2010 >> Acadia SLT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 481 (Object Detection System And Pedestrian Protection System) >> Diagnostic Information and Procedures >> Rear Cross Traffic Alert System Malfunction >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the scan tool can communicate with the right side object sensor.
    • If the scan tool can not communicate with the right side object sensor 

      Refer to Circuit/System Testing - Right Side Object Sensor Malfunction.

    • If the scan tool can communicate with the right side object sensor 
  3. Verify the scan tool can communicate with the left side object sensor.
    • If the scan tool can not communicate with the left side object sensor 

      Refer to Circuit/System Testing - Left Side Object Sensor Malfunction.

    • If the scan tool can communicate with the left side object sensor 
  4. Verify that the rear cross traffic indicators alerts turn ON and then turn OFF when commanding the Object Detection Alert Indicators ON and OFF with a scan tool.
    • If alert indicators do not turn ON and OFF 
    1. Verify the system is enabled.
      • If disabled, refer to diagnostic aids for cause of disable.
      • If enabled, test or replace the radio.
    • If indicators turn ON and OFF 
  5. All OK.
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