2015 GMC Sierra HD technical service bulletins

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

• Jun 28, 2016 Service bulletinThis information bulletin provide information on a new way to look at nox sensor readings and exhaust...
• Aug 24, 2015 Service bulletinGeneral motors: parts for most vehicles, clutch, master cylinder assembly are, required and requested, to...
• Aug 1, 2015 Service bulletinGeneral motors: in some vehicles and trucks, when transferring intake manifold to replace an engine long...
• Aug 1, 2015 Service bulletinGmc/chevrolet: a reprogramming service procedure is provided regarding update on new software for glow...
• Jul 1, 2015 Service bulletinGeneral motors: TSB contains an owner's notification letter
• Jul 1, 2015 Service bulletinChevrolet/gmc: on certain trucks/suvs, service procedure has been provided for replacing torque converter...
• Jun 1, 2015 Service bulletinGmc/chevrolet: service procedures on certain vehicles to inspect, retighten the torque for right rear...
• Apr 1, 2015 Service bulletinChevrolet/gmc: service procedure provided regarding two missing laser welds in lower rear corner of right...
• Apr 1, 2015 Service bulletinCadillac/chevrolet/gmc: on certain vehicles, a service procedure has been provided regarding replacing...
• Dec 1, 2014 Service bulletinGmc/chevrolet: hose connection within power steering cooler assembly is missing ferrule or ferrule crimp...
• Sep 1, 2014 Service bulletinGmc/chevrolet: the instrument panel cluster (IPC) is locked up and on restriction due to a sps programming...
• Jul 1, 2014 Service bulletinImpco: some vehicles with compressed natural gas (CNG) system were built incorrectly with the engine...
• May 30, 2014 Service bulletinSummary to be provided on a future date.
• Feb 6, 2014 Service bulletinGm: information involving the procedure to ensure that fuse block is properly retained
• Feb 1, 2014 Service bulletinTire slowly goes flat, tire air loss, low tire pressure warning light illuminated, aluminum wheel bead...