GMC TSB #PI-0339
2011 GMC Sierra 2500
Affected Component: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- Summary
- GM: MULTIPLE WARNING LIGHTS MAY BE ILLUMINATED AND MULTIPLE TROUBLE CODES. THE TRANSMISSION MIGHT NOT SHIFT. *RM UPDATED 8/1/11. *PE MODELS 2011-2013 SILVERADO 2500HD, 3500HD; SIERRA 2500HD, 3500HD. UPDATED 12/5/12. *PE