| Subject: | SMU - Deleted Sunroof Diagnostic and Repair Procedures | 
| Models: | 2004 Pontiac Grand Prix | 
| With Sunroof | 
This bulletin is being issued to advise technicians of some diagnostic and repair procedures that were deleted in the Roof sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information.
The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.
The Roof sub-section originally had diagnostic and repair procedures for a sunroof model that was not used in production vehicles. The following procedures have been eliminated from SI:
| • | Power Sunroof Does Not Close  | 
| • | Power Sunroof When Closing from Vent Position Will Reverse Direction  | 
| • | Power Sunroof Will Stop at the Wrong Location  | 
| • | Power Sunroof Will Over Travel the Open Position and Stall the Motor  | 
| • | Power Sunroof Will Over Travel the Close Position and Stall the Motor  | 
| • | Sunroof Track Timing/Synchronization (MD4)  | 
| • | Sunroof Motor/Actuator Replacement (MD4)  | 
| • | Sunroof Motor/Actuator Initialization/Teach Process  | 
| • | Sunroof Module Assembly Replacement (MD4)  |