Circuit/System Testing (Object Detection System - Park Assist System)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 GMC Savana, 2013 GMC RV Cutaway, 2013 GMC Cutaway, 2013 Chevrolet RV Cutaway, and 2013 Chevrolet Express. However, it is still accessible from the selected car via links, so may be relevant.
Manual Transmission
- Engine running, transmission in REVERSE.
- Verify the scan tool Calculated Transmission Range parameter is Reverse.
- If parameter is not Reverse
Refer to Backup Lamps Malfunction .
- If parameter is Reverse
- If parameter is not Reverse
- Verify the scan tool Park Assist System Status parameter displays Enable.
- 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.
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 Enable
- If status is not Enable
- Replace the K41 Parking Assist Control Module.
Automatic Transmission
- Engine running, transmission in REVERSE.
- Verify the scan tool Park Assist System Status parameter displays Enable.
- 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.
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 Enable
- If status is not Enable
- Replace the K41 Parking Assist Control Module.