2008 GMC Yukon Denali Technical Service Bulletins

1,145 technical service bulletins (TSBs) are on record for the 2008 GMC Yukon 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.

• 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.
• 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.
• 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.
• 10126198Nov 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.
• 10112560Nov 9, 2012Brakes. This Preliminary Information communication provides information to the technician about brake rotors on new vehicles and replacement parts from General Motors Service Parts Operations. Technician should be advised the costing should not be removed from the brake rotor it will wear off with normal brake usage. Dealer should communicate to the customer this condition is a normal operating characteristic of their…
• 10126203Nov 8, 2012Equipment. This warranty administration bulletin provides information on what should be considerd warranty damage or damage that was at fault of the cutomer and how to properly claim them on the warranty paperwork
• 10126202Nov 8, 2012Electrical system. This technical bulletin provides a procedure for replacing the throttle position sensor cover for concerns regarding a indicator lamp illuminated reduced power message displayed and DTC P2135 set.
• 10112558Nov 8, 2012Electrical system. This Preliminary Information communication provides information to the technician with additional vehicle speed sensor diagnostic information. Technician may encounter multiple issues when diagnosing a Vehicle Speed Sensor. Technician will find it difficult to follow the speed signal path between the components. To test connect the Fluke meter leads between circuits 821 and 822 and set the meter to Alternating…
• 10138189Nov 7, 2012Tires, Wheels. This informational bulletin provides information on how to properly mount and balance wheels and tires on heavy duty truck models only
• 10137446Nov 7, 2012Tires, Wheels. This informational bulletin provides information on how to properly mount and balance wheels and tires on heavy duty truck models only
• 10126167Nov 7, 2012Equipment. This preliminary informational bulletin provides a procedure to replace the first junction block terminal and other terminals to correct a condition of poor HVAC performance.
• 10112551Nov 6, 2012Brakes. This Preliminary Information communication provides information to the technician about vehicles that have an Antilock Braking System lamp followed by a Service Stability message in the Drivers Information Center. Technician my find Diagnostic Trouble Code C0710 set in the Electronic Brake Control Module. Technician may or may not find Diagnostic Trouble Code C0455. Technician will need to ensure the steering wheel…
• 10112548Nov 6, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicles that only have audio from the front left speaker after replacing the amplifier. Technician should program the amplifier using Tis-2-Web using Service Programming System with the latest calibrations.
• 10112544Nov 6, 2012Steering, Brakes. This Preliminary Information communication provides information to the technician about vehicles that may have a power steering pump whine noise. Technician will need to flush and refill the power steering system with Lucas Power Steering Fluid with Conditioners. Technician will replace the power steering pump with the latest design if the fluid is not available.
• 10112541Nov 5, 2012Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have a buzz or rattle type noise during light acceleration around 1200-2000 Revolutions per minute. Technician will need to reposition the fuel line and bracket down away from the floor pan.
• 10112529Nov 1, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down, remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle.
• 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…
• 10043892Nov 1, 2012Visibility (wipers, defrost, mirrors). Gm: diagnose and repair hvac blower function. May not be any air flow from the hvac vents. One possible of this condition may be the contacts in the hvac junction block(s) located at the right side of the instrumental panel. *js updated 1/24/13.
• 10112526Oct 31, 2012Brakes, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a "Service Stability Message" appears on the Drivers Information Center. Technician will find Diagnostic Trouble Code C0561 set in the Electronic Brake Control Module. Technician will need to address any other Diagnostic Trouble Codes that are set in the vehicle first before working on Diagnostic Trouble Code…
• 10112519Oct 29, 2012Suspension, Wheels. This Preliminary Information communication provides information to the technician about vehicles that have grease leaking from front hub bearings. Technician should not replace the bearing for grease purge. Technician should be advised to not clean the purged grease from the area immediately on or adjacent to the seals because this grease provides additional protection.
• 10112515Oct 23, 2012Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicle that has a squawk or grunt type noise when shifting from 2nd to 3rd gear. Technician should replace the 3-4 clutch Friction and Steel Clutch Plates along with the Apply Plate and Selective Backing Plate.
• 10112512Oct 22, 2012Seats, Equipment. This Preliminary Information communication provides information to the technician about vehicles that are unable to set a personalized easy exit seat and/or power tilt column position and they will only move a predetermined amount. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 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.
• 10118638Oct 15, 2012Engine cooling. This informational bulletin provides information on Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2
• 10118637Oct 15, 2012Equipment. This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels.
• 10118635Oct 15, 2012Visibility (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.
• 10118634Oct 15, 2012Transmission and drivetrain. This warranty administration bulletin provides information on the change in automatic transmission add conditions documentation and claim submissions
• 10112472Oct 15, 2012Electrical system. This Preliminary Information communication provides information to the technician about vehicles that if the ignition key is turned to the start position, and then released when the engine begins cranking, the engine will continue cranking for a few seconds or until the vehicle starts. Some customers may state that this feature is inoperative.
• 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.
• 10112470Oct 12, 2012Equipment, Electrical system, Vehicle speed control. This Preliminary Information communication provides information to the technician about vehicles that have an instrument panel backlighting flashes, flickers or inoperative, unwanted horn activation, radio controls inoperative or unwanted activation, OnStar unwanted activation, and cruise control inoperative.
• 10112468Oct 12, 2012Visibility (wipers, defrost, mirrors). This Preliminary Information communication provides information to the technician about the percentage of Ultraviolet protection or tint offered by the windshield or side glass. Technician should be advised Windshield reduces Ultraviolet rays down to 4% or less. Front side door glass reduces Ultraviolet rays down to 35% or less. Windshields are SOLAR glass with a light transmittance of >/=70%. Front door glass are…
• 10112465Oct 11, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio "maximum number of phones are currently paired to the vehicle". Dealer should advise the customer this is normal operation of the vehicle due to the maximum number of five phones can be paired to a vehicle.
• 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.
• 10118619Oct 5, 2012Equipment. This informational bulletin provides information on newly release bulletins used to fi the vehicles in the field the first time.
• 10112452Oct 5, 2012Electrical system. This Preliminary Information communication provides information to the technician about vehicles that the cruise control being inoperative. Technician may find Diagnostic Trouble Code B3894 set in the Trailer Brake Control Module. Technician should follow published Service Information diagnostics first. Technician should check the "Master Cylinder Pressure" sensor parameter listed in the Trailer Brake Control…
• 10247742Oct 1, 2012Electrical system. Computer-Controlled Cranking System (Bump Start) Inoperative.
• 10247741Oct 1, 2012Vehicle speed control, Steering. Various Concerns Related To The IP Backlighting Cruise Control Steering Wheel Controls Horn.
• 10247656Oct 1, 2012Other or unknown, Electrical system, Vehicle speed control. Cruise Control Inoperative.
• 10247087Oct 1, 2012Engine cooling. Computer-Controlled Cranking System (Bump Start) Inoperative.
• 10247086Oct 1, 2012Steering, Vehicle speed control. Various Concerns Related To The IP Backlighting Cruise Control Steering Wheel Controls Horn.
• 10246951Oct 1, 2012Equipment. Programming And Activation Of Replacement OnStar Modules.
• 10245295Oct 1, 2012Vehicle speed control. Cruise Control Inoperative.
• 10118610Oct 1, 2012Engine cooling. This technical bulletin provides a procedure to replace the AFM oil deflector, rocker arm cover and clean the carbon deposits for conditons related to Engine Oil Consumption on Aluminum Block/Iron Block Engines with Active Fuel Management
• 10062524Oct 1, 2012Engine. Summary to be provided on a future date.
• 10047839Oct 1, 2012Electrical system, Steering. Cadillac/chevrolet/gmc: will have inoperative cruise control; inoperative or unwanted activation of radio controls; backlighting flashes, flickers or inoperative due to possible short to ground on steering wheel coil connector x2. Models 2007-2013 escalades models, avalanche, silverado, suburban, tahoe, sierra, yukon models.
• 10247737Sep 1, 2012Body and structure. Whistle Noise From Drivers Side A Pillar Area
• 10247720Sep 1, 2012Brakes. Stabilitrak/Traction Control OFF With Red Brake Warning Lamp
• 10247649Sep 1, 2012Electronic stability control. Unwanted Stability Activation And/Or C0710.

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