- May 7: GM Transmission Lawsuit Affects Hydra-Matic 8L90 and 8L45 news | 14 days ago
- April 17: GM Shift to Park Recall Needed, Alleges Class Action Lawsuit news | 34 days ago
- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 72 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 78 days ago
- February 22: Chevy Silverado Crushed Roof Lawsuit Moves Forward news | 89 days ago
Chevrolet TSB #PIC4801F
2009 Chevrolet Tahoe
TSB Document:
Affected Component: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
- Summary
- This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Technician verifies there are no Diagnostic Trouble Codes are present in the Antilock Braking System and Vehicle Communication Interface Module of the vehicle. If no Diagnostic Trouble Codes found call OnStar using the Blue button on the OnStar key pad and ask the advisor for a turn by turn route. Also make a OnStar personal call and a call into the vehicle. If normal diagnostics do not lead to a resolution technician will need to call General Motors Technical Assistance Center for further assistance.
Click a tab for more information.