Sunroof Motor/Actuator Synchronization: Notes
WARNING: This page is about a different car, the 2008 Pontiac G8. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
The sunroof actuator is timed at the factory. If there is battery voltage applied to a new sunroof actuator, the pre-timed settings within the sunroof actuator are lost and cannot be reset or used to accommodate proper installation.
There should be no battery voltage applied to a new sunroof actuator until the following conditions are satisfied:
The power sunroof actuator is installed to the sunroof control module.
There should be no battery voltage applied to a new sunroof actuator until the following conditions are satisfied:
The power sunroof actuator is installed to the sunroof control module.