2008 GMC C Series Technical Service Bulletins

528 technical service bulletins (TSBs) are on record for the 2008 GMC C Series. 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.

• 10138220Nov 30, 2012Electrical system, Equipment. This informational bulletin provides information regarding the aftermarket device interference with onstar diagnostic service.
• 10137478Nov 30, 2012Equipment. This informational bulletin provides information regarding the aftermarket device interference with onstar diagnostic service.
• 10126163Nov 30, 2012Electrical system. This informational bulletin provides information regarding the aftermarket device interference with onstar diagnostic service.
• 10138217Nov 28, 2012Equipment. This informational bulletin provides a step by step procedure on how to properly use the GM chemicals to eliminate unwanted odors in vehicles and which products to use for each application.
• 10137475Nov 28, 2012Equipment. This informational bulletin provides a step by step procedure on how to properly use the GM chemicals to eliminate unwanted odors in vehicles and which products to use for each application.
• 10126171Nov 28, 2012Equipment. This informational bulletin provides a step by step procedure on how to properly use the GM chemicals to eliminate unwanted odors in vehicles and which products to use for each application.
• 10112607Nov 28, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
• 10138213Nov 26, 2012Equipment, Wheels. This informational bulletin provides a description of the proper wheel installation and proper wheel torque techniques used to install wheels onto vehicles
• 10137471Nov 26, 2012Wheels. This informational bulletin provides a description of the proper wheel installation and proper wheel torque techniques used to install wheels onto vehicles
• 10138201Nov 13, 2012Equipment. This informational bulletin provides information and rules for GM keycode look up applicationa dn the key code security rules and regulations for Canada only.
• 10137459Nov 13, 2012Equipment. This informational bulletin provides information and rules for GM keycode look up applicationa dn the key code security rules and regulations for Canada only.
• 10126197Nov 13, 2012Equipment. This informational bulletin provides information for requesting a new key code for customers with lost or stolen keys
• 10126196Nov 13, 2012Equipment. This informational bulletin provides information and rules for GM keycode look up applicationa dn the key code security rules and regulations for Canada only.
• 10138200Nov 12, 2012Body and structure, Equipment, Electrical system. This informational bulletin provides a list of newly released PI and Bulletins in regards to recent released vehicles so that vehicles can be fixed right the first time in for service.
• 10138197Nov 12, 2012Brakes, Engine, Transmission and drivetrain, Equipment. This informational bulletin provides a revision for 01-00-89-010I to add the 2013 model year.
• 10137457Nov 12, 2012Equipment. This informational bulletin provides a list of newly released PI and Bulletins in regards to recent released vehicles so that vehicles can be fixed right the first time in for service.
• 10137454Nov 12, 2012Equipment. This informational bulletin provides a revision for 01-00-89-010I to add the 2013 model year.
• 10126200Nov 12, 2012Equipment. This informational bulletin provides a single point reference and strategy document to aid in reducing customer comebacks, and the possibility of buyback situations by outlining specific guidelines, strategy and forms that will assist with this goal, by identifying, clarifying and documenting customer concerns accurately at each service visit.
• 10112528Nov 1, 2012Electrical system. This Preliminary Information communication provides information to the technician about vehicles that during battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the OnStar system. Technician should understand the power cycles of the various OnStar systems. All Generation 6, 7, 8, and 9 systems are powered up continuously for 48 hours from ignition…
• 10112494Oct 18, 2012Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts. Technician can check Service Information for some accessories. Technician can also contact Partech for assistance.
• 10118637Oct 15, 2012Equipment. This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels.
• 10118634Oct 15, 2012Transmission and drivetrain. This warranty administration bulletin provides information on the change in automatic transmission add conditions documentation and claim submissions
• 10084683Oct 15, 2012Equipment, Body and structure, Visibility (wipers, defrost, mirrors). This preliminary informational bulletin provides a procedure for relearning the power folding mirriors and road testin to verify they correct a condtion of the power folding mirriors glass shakes, flutters at normal driving conditions.
• 10118626Oct 10, 2012Equipment. This warranty administrational bulletin provides information on Clarification of Use - Dealer Empowerment Labor Operations and Customer Enthusiasm
• 10118623Oct 9, 2012Equipment. This warranty administrational bulletin provides information on courtesy transportation and roadside assistance programs offered through GM.
• 10046799Sep 1, 2012Engine, Engine cooling, Fuel system. Isuzu (chevrolet/gmc): trucks with diesel engine would have idle vibration, trouble starting, engine not revving up, and a lack of power due to possible operation condition of suction control valve (scv)/fuel rail pressure (frp) regulator being intermittent. Models 2004-2010 chevrolet/gmc c, t, w series and isuzu f, h, n series.
• 10037184Oct 1, 2011Seat belts. Gm: service bulletin explaining when the safety belts are supposed to lock. *rm updated 12/6/11.
• 10032462Aug 1, 2009Steering. Saab/hummer/gm: diagnostic tips/recommendations when power steering pump replacement is necessary. Analysis of returned power steering (ps) pumps that had been replaced for noise, no power assist, no or low pressure and leaking conditions has indicated a high number of no trouble found results. All 1997-2010 vehicles and light trucks; 2010 and prior hummers h2/h3 and saab 9-7x vehicles.

← All problems reported for the 2008 GMC C Series