Circuit/System Testing

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Yukon XL, 2015 GMC Yukon, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, and 2015 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Distance Sensing Cruise Control Service Alignment learn procedure with scan tool.
Road test the vehicle and verify the adaptive cruise control system functions normally and DTC C1002 does not set. Refer to Cruise Control Description and Operation Cruise Control Description and Operation (Adaptive Cruise Control) .
- If DTC C1002 sets
1. Align the K14 Distance Sensing Cruise Control Module. Refer to Forward Range Radar Module Alignment (Chevrolet / GMC) .
  - If alignment cannot be achieved within the limits of the available adjustment, inspect the mounting structures and brackets for damage or tampering and repair as necessary to achieve proper alignment.
  - If alignment is OK
2. Road test the vehicle and verify the adaptive cruise control system functions normally and DTC C1002 does not set.
  - If DTC C1002 sets, replace the K14 Distance Sensing Cruise Control Module.
  - If DTC C1002 does not set.
3. All OK.
- If DTC C1002 does not set
All OK.