Circuit/System Testing
WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
Manual Transmission
- Ignition ON, transmission in REVERSE, verify the engine control module (ECM) scan tool Reverse Position Switch parameter is Active.
- If not the specified value, refer to Backup Lamps Malfunction (Automatic Transmission)Backup Lamps Malfunction (Manual Transmission) .
- Verify the scan tool Park Assist System Status parameter displays Enable.
- If not the specified values, refer to Diagnostic Aids and the scan tool Park Assist Disable History parameters to determine the cause of the inhibit.
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 all tests normal, replace the K41 Front and Rear Parking Assist Control Module.
Automatic Transmission
- Ignition ON, transmission in REVERSE, verify the scan tool Park Assist System Status parameter displays Enable.
- If not the specified values, refer to Diagnostic Aids and the scan tool Park Assist Disable History parameters to determine the cause of the inhibit.
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 all tests normal, replace the K41 Front and Rear Parking Assist Control Module.