GMC TSB #PIP4966B
2008 GMC Sierra 2500
Affected Component: ELECTRICAL SYSTEM
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that have a malfunction indicator light or service anti-lock brake system message displayed in the Driver Information Center. Technician may find Diagnostic Trouble Code C0055 or P2771. Technician will need to check for excess movement of the tone wheel or output shaft.