2012 GMC Sierra Denali Technical Service Bulletins

1,703 technical service bulletins (TSBs) are on record for the 2012 GMC Sierra Denali. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10047479Sep 1, 2012Electronic stability control, Other or unknown. Gmc/chevrolet/cadillac: instrument panel messages regarding stabilitrak message, traction control message, service brake system message, is off and gauges, in various modules low speed settings, are inoperative. Models 2007-13 all escalades; avalanche, silverado, suburban, tahoe; sierra, all yukons and denalis.
• 10055803Jul 1, 2012Transmission and drivetrain. Cadillac/chevrolet/gmc/hummer/pontiac: there is slipping or have no fourth, fifth or sixth gear and malfunction indicator lamp (mil) would be on, with diagnostic trouble code (dtc) p0796 found as active.
• 10044233Mar 1, 2012Transmission and drivetrain. Gm: tick or rattle noise from front of dash, transmission filler tube cracked or broken (inspect filler tube, replace tube as necessary). *js updated 05/3/2013

← All problems reported for the 2012 GMC Sierra Denali