Circuit/System Testing
WARNING: This page is about a different car, the 2015 GMC Terrain and 2015 Chevrolet Equinox. 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 On.
- If not the specified value, refer to Backup Lamps Malfunction .
- Verify the scan tool Parking 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 K41R Rear Parking Assist Control Module.
Automatic Transmission
- Ignition ON, transmission in REVERSE, verify the scan tool Parking 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 K41R Rear Parking Assist Control Module.