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Home >> GMC >> 2014 >> Terrain SLE, 4D Utility >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Object Detection System - Park Assist System) >> Diagnostic Information and Procedures >> Parking Assist System Malfunction >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2012 GMC Terrain and 2012 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Manual Transmission

  1. Engine running, transmission in REVERSE.
  2. Verify the scan tool Calculated Transmission Range parameter is Reverse.
    • If parameter is Reverse 
  3. Verify the scan tool Park Assist System Status parameter displays Enable.
    4. NOTE:

    After completing the next step the vehicle might need to be driven in the forward direction at speed greater than 40 km/h (25 mph).

    • If status is not Enable 

      Refer to Diagnostic Aids and the scan tool Park Assist Disable History parameters to determine the cause of the inhibit.

    • If status is Enable 
  5. Replace the K41 Parking Assist Control Module.

Automatic Transmission

  1. Engine running, transmission in REVERSE.
  2. Verify the scan tool Park Assist System Status parameter displays Enable.
    3. NOTE:

    After completing the next step the vehicle might need to be driven in the forward direction at speed greater than 40 km/h (25 mph).

    • If status is not Enable 

      Refer to Diagnostic Aids above and the scan tool Park Assist Disable History parameters to determine the cause of the inhibit.

    • If status is Enable 
  4. Replace the K41 Parking Assist Control Module.
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