Repair Instructions
WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
- Refer to High Frequency Antenna Replacement
- Refer to Control Module References for Telematics Communication Interface Control Module replacement, programming and setup.