Headlamp Control Module Replacement
WARNING: This page is about a different car, the 2010 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.
If the headlamp control module needs to be replaced, the following procedures must be performed:
- Connect a scan tool to the vehicle and access SPS. Refer to Service Programming System (SPS)
- Perform the SPS function Headlamp Control Module - Programming and follow the on-screen instructions.
- Perform the SPS function Headlamp Control Module - Configuration & Setup and follow the on-screen instructions. On the screen Control Module - Configuration and Setup Function(s), select both control module Configuration/Reconfiguration and the appropriate control module Setup.
- Clear DTCs after completing the programming procedure.