2008 GMC Sierra Denali Technical Service Bulletins

1,154 technical service bulletins (TSBs) are on record for the 2008 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.

• 10137623Nov 15, 2016Air bags, Equipment. This technical bulletin provides a procedure to complete a terminal replacement or connector re connection to correct a condition of Diagnostic Information for Supplemental Inflatable Restraint (SIR) System, Intermittent AIR BAG Indicator/Lamp Illuminated with DTC(s) B0012, B0013, B0015, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 or B0044 Set (Inspect and Replace Connector Position Assurance…
• 10114831Nov 15, 2016Equipment, Fuel system, Engine. This Preliminary Information communication provides information to the technician about engine block that have a possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, an out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
• 10137624Nov 14, 2016Equipment. This warranty administration bulletin provide policy information on the change in product field action customer reimbursement procedure.
• 10137622Nov 10, 2016Visibility (wipers, defrost, mirrors), Body and structure. This Informational bulletin describes warranty part reviews where door glass had chips or scratches.
• 10137615Nov 7, 2016Equipment, Tires. This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
• 10114824Nov 7, 2016Electrical system. 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 contact General Motors Technical Assistance Center with the scan tool data from the OnStar system.
• 10137621Nov 4, 2016Equipment, Fuel system. This informational bulletin provides information for maintenance cleaning of the fuel injectors.
• 10137620Nov 3, 2016Fuel system, Equipment. This informational bulletin provides information for maintenance cleaning of the fuel injectors.
• 10137619Nov 2, 2016Equipment, Fuel system. This Informational Bulletin provides information on availability of Diesel Fuel additives.
• 10137618Nov 2, 2016Fuel system, Equipment. This Informational Bulletin provides information on available Diesel Fuel Additives.
• 10114816Nov 2, 2016Brakes. This Preliminary Information communication provides information to the technician about vehicles that have Brake Pedal Position and or Cruise Brake Pedal parameters are showing "Applied" with the brake pedal released. Technician will need to inspect for any opens/high resistance or terminal issue in circuit 6311.
• 10135240Oct 27, 2016Fuel system. This informational bulletin provides information for maintenance cleaning of the fuel injectors.
• 10119062Oct 25, 2016Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic System 2 to review the Firmware Over-the-Air version and the OnStar Customer Identifier and contact General Motors Technical Assistance Center for further assistance.
• 10135238Oct 19, 2016Equipment. This Bulletin has been Revised to add the 2017 Colorado, Cruze, Canyon, Chevrolet & GMC Light/Medium Duty Trucks. Please discard Corporate Bulletin Number 03-06-04-071I
• 10119053Oct 19, 2016Fuel system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have an engine noise, low oil pressure, over-speed condition, or abnormal oil sludge build up in the crankcase. Technician should follow published Service Information diagnosis for the DTCs found. If an excessive amount of sludge is found in the crankcase the vehicle may be running a high percentage of Bio-fuel.
• 10135239Oct 13, 2016Equipment. This warranty administration bulletin provide policy information on required operating procedures.
• 10135237Oct 13, 2016Equipment. Battery Testing and Warranty Replacement Requirements (North America ONLY)
• 10135236Oct 13, 2016Electrical system. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10119022Oct 10, 2016Electrical system. This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Technician can update the Transmission Control Module if working on a model year 2007. On all other model years dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10135241Oct 9, 2016Fuel system. This informational bulletin provides information on the top tier fuels that are recommended in GM vehicles.
• 10135244Oct 5, 2016Equipment. This Informational Bulletin provides information for customers to report Missing or Inaccurate navigation Radio Map Disc information.
• 10118917Sep 30, 2016Equipment. This Warranty Admin bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.
• 10118916Sep 30, 2016Equipment. This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only.
• 10118913Sep 30, 2016Equipment. This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs.
• 10118912Sep 30, 2016Equipment. This informational bulletin provides information on return or reimbursement of customer owned CDs, DVDs or Navigation Discs .
• 10118907Sep 30, 2016Tires. This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
• 10118919Sep 27, 2016Equipment. This warranty administration bulletin provides information on Goodwill Tools, Customer Enthusiasm, and Policy Guidelines.
• 10118918Sep 27, 2016Equipment. This warranty nonadministrative bulletin provides information on the proper use of the labor op 0600014.
• 10118915Sep 22, 2016Equipment. This informational bulletin provides information on Inappropriate Warranty Claims Submitted for Damaged Radios and IPCs
• 10118910Sep 22, 2016Equipment. This informational bulletin provides information on new tools used for the Hem Flanges and how to repair and seal the flanges when the repairs are done.
• 10118979Sep 19, 2016Engine cooling. This preliminary informational bulletin was created to inform Service Agents or Dealers, they may be charged back for parts and labor due to the turbo-chargers are being returned to the Warranty Parts center damaged, improperly assembled or missing parts and advising to properly package the complete turbochargers. (New models and RPOs added)
• 10118908Sep 19, 2016Equipment. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
• 10118914Sep 16, 2016Electrical system. This informational bulletin explains the programming method quick reference guide for the IPC Odometer.
• 10118978Sep 14, 2016Electrical system. This preliminary bulletin provides a procedure to install adhesive back stock to the electrical connector for the steering wheel position sensor, to eleminate the excessive clearance/movement that causes the connector to loose contact and turns the Service Stabilitrak message on.
• 10099981Sep 12, 2016Body and structure, Equipment. This preliminary information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Technician should first access the rear of the inner wheelhouse area through the tail lamp cavity and the front of the wheelhouse from under the vehicle, and coat the inner hem of the…
• 10118911Sep 1, 2016Fuel system. This informational Bulletin provides Do's and Don'ts for maximizing gasoline engine fuel economy, other various tips and a list of websites for additional information.
• 10126063Jul 12, 2016Engine. This informational bulletin provides information on intake manifold inspection/replacement after severe internal engine damage.
• 10089229Jun 20, 2016Electrical system. This informational bulletin provodes information on the gm of canada onstar cellular communication upgrade.
• 10089247Jun 10, 2016Equipment. This informational bulletin provides information on the proper use of floor mats.
• 10126052May 16, 2016Equipment. 14520B Special Coverage. Some 2008-2009 model year Chevrolet Silverado and GMC Sierra light-duty vehicles registered in Canada or 2007, and 2010-2013 model year Chevrolet Silverado and GMC Sierra light duty vehicles registered in or previously registered in Maine, New Hampshire, New York, and Vermont or in the Canadian provinces New Brunswick, Newfoundland, Nova Scotia, Prince Edward Island, Ontario, and Quebec may…
• 10113973Mar 31, 2016Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will check Global Warranty Management system for customer satisfaction program 15086 status. If the status of the customer satisfaction program 15086 was not completed follow the steps to get the Telematics…
• 10112831Mar 30, 2016Wheels. This informational bulletin provides information on chemical staining, pitting, and corrosion on wheels and the proper cleaners to use to fix the conditions due to multiple causes.
• 10112829Mar 29, 2016Equipment. This preliminary informational bulletin provides information on GM is implementing a new service strategy that uses a set of universal coaxial repair kits to service vehicles. This only applies to cable used for high frequency signals, such as cellular (OnStar®), satellite radio (XM) and GPS (navigation). The kits do NOT apply to the AM/FM cables.
• 10112821Mar 24, 2016Electrical system. This preliminary informational bulletin provides information on GM Accessory Remote start not working with onstars remotelink phone applications
• 10112819Mar 23, 2016Engine. This informational bulletin provides information on Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2® or GDS 2 (U.S. and Canada)
• 10112817Mar 23, 2016Equipment. This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set
• 10113949Mar 21, 2016Suspension. This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer…
• 10113935Mar 16, 2016Engine cooling. This Preliminary Information communication provides information to the technician that some vehicles may have a Service Engine Soon lamp, engine misfire on cylinder 1, 4, 6, or 7 and/or tick noise. Technician will follow service information diagnosis first. If service information diagnosis does not isolate the cause of this concern perform a cylinder deactivation active fuel management system compression test in…
• 10112791Mar 14, 2016Equipment. This warranty administration bulletin provides information on Courtesy Transportation and Roadside Assistance Programs
• 10112789Mar 14, 2016Visibility (wipers, defrost, mirrors). This technical bulletin provides a procedure to relearn the power folding mirriors and road test to correct a conditon of power fold away mirriors glass shakes or flutters at normal driving speeds

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