2011 GMC Sierra Technical Service Bulletins

294 technical service bulletins (TSBs) are on record for the 2011 GMC Sierra. 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.

• 10112547Nov 6, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a front passenger flooring wet, water sloshing noise, and/or mist from the dash vents. Technician will need to rotate the drain hose to clear the heat shield.
• 10112546Nov 6, 2012Brakes. This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
• 10112539Nov 5, 2012Engine cooling. This Preliminary Information communication provides information to the technician about vehicles with Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0101. Technician should follow published Service Information diagnostics for any Diagnostic Trouble Codes that are set.
• 10112537Nov 2, 2012Air bags. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B0081 in the Sensing and Diagnostic Module and Passenger Presence Sensor modules. Technician should inspect the Sensing and Diagnostic Module and Passenger Presence Sensor powers, grounds, and communication circuits at all in line connectors for fully seated, backed out terminals, and…
• 10112536Nov 2, 2012Air bags. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B0081 in the Sensing and Diagnostic Module and Passenger Presence Sensor modules. Technician should inspect the Sensing and Diagnostic Module and Passenger Presence Sensor powers, grounds, and communication circuits at all in line connectors for fully seated, backed out terminals, and…
• 10112535Nov 2, 2012Steering, Equipment, Vehicle speed control, Electrical system. This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Technician will need to contact the Techline Customer Support Center to determine if a calibration is available for the vehicle. If they are able to provide a calibration for the vehicle then order steering wheel with cruise control…
• 10112531Nov 1, 2012Brakes. This Preliminary Information communication provides information to the technician about hairline cracks may be noticed in the pad friction material, when performing a brake inspection. Technician should be advised that the hairline cracks do not affect the operation of the brake system and the pads should not be replaced if only hairline cracks are found.
• 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…
• 10112525Oct 31, 2012Body and structure, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a vibration, moan, or buzz type noise heard from either inside the passenger compartment, or from under the hood. Technician will need to replace the new design hose with the first design hose. Technician will also rotate the inlet heater hose.
• 10112527Oct 29, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicles that have the content theft alarm is inoperative. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. Technician should be advised that the vehicle must have Keyless Entry Regular Production Option Code (AU0/AU3) and Regular Production Option Code YE9 or Y91 to…
• 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.
• 10059943Oct 25, 2012Transmission and drivetrain, Equipment. Summary to be provided on a future date.
• 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.
• 10112508Oct 22, 2012Tires. This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.
• 10112491Oct 17, 2012Visibility (wipers, defrost, mirrors), Equipment. This Preliminary Information communication provides information to the technician about vehicles that have passenger window express down feature is inoperative. Technician should be advised that models equipped with either Memory Seats Regular Production Option Code (AN3) and/or Power Folding Mirrors Regular Production Option Code (DL3) will have the passenger window express down feature.
• 10112487Oct 17, 2012Electrical system, Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have a lack of power on initial acceleration from a stop when the ambient temperature is approximately 103 Fahrenheit or greater and may include engine detonation or pre-ignition type events as temperatures approach 120 Fahrenheit. Technician will need to perform published Service Information diagnosis first.
• 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.
• 10112470Oct 12, 2012Electrical system, Equipment, 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.
• 10112463Oct 11, 2012Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that have a groan, growl, or moan coming from the vehicle when operating the vehicle in four wheel drive. Driving on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for an extended period of time may cause premature wear on your vehicle's power train.
• 10112455Oct 8, 2012Equipment, Body and structure, Latches, locks and linkages. This Preliminary Information communication provides information to the technician about vehicles that unable to program the key fobs to the vehicle. Technician will need to contact Techline Customer Support Center to obtain calibrations if adding Remote Keyless entry.
• 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…
• 10112451Oct 5, 2012Visibility (wipers, defrost, mirrors). This Preliminary Information communication provides information to the technician about vehicles that have passenger window express down feature is inoperative. Technician should be advised that models equipped with either Memory Seats Regular Production Option Code (AN3) and/or Power Folding Mirrors Regular Production Option Code (DL3) will have the passenger window express down feature.
• 10112447Oct 4, 2012Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that may have a ticking noise when driving above 30 miles per hour in third and fourth gear. Technician will need to replace the Reaction Carrier and the Low and Reverse Roller Clutch.
• 10047839Oct 1, 2012Steering, Electrical system. 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.
• 10047820Oct 1, 2012Engine cooling. Gmc/chevrolet: there may be an accumulation of diesel particulate filter soot level found when a diagnostic system check is performed and may be caused by engine control module (ecm) with a reduced engine power message. Model 2011-2013 express, silverado; savana, sierra.
• 10047639Oct 1, 2012Equipment, Transmission and drivetrain. Cadillac/chevrolet/gmc: if transmission dipstick tube becomes fatigue and fracture, while in afm mode, it causes a ticking or rattling noise from front of vehicle, when engine vibrates. Models 2010-2011 all escalade, esv, ext; avalanche, silverado, suburban, tahoe; sierra, yukon, yukon xl.
• 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.
• 10047459Sep 1, 2012Vehicle speed control. Cadillac/gmc/chevrolet: information on cruise control being inoperative due to bpp circuit signal and/or tcc/cruise brake pedal parameters, when brake pedal is released but shows applied. Models 2007-2013 all escalades, avalanche, silverado, suburban, tahoe, sierra, all yukons.
• 10045940Sep 1, 2012Equipment. Gmc/cadillac/chevrolet: no air is flowing through hvac vents because of an inoperative blower motor. The situation is intermittent. Models 2011-12 cadillac-escalade, escalade esv & ext; gmc-sierra, yukon & xl, yukon denali & xl denali; chevrolet-tahoe, suburban, avalanche & silverado. *pe updated 9/26/12.
• 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.
• 10045519Jul 1, 2012Equipment, Electrical system. Gm-express/silverado/savana/sierra: due to poor connections and intermittent condition of map sensor connector wiring harness terminal crimps, trucks have a malfunction indicator lamp (mil) illumination and reduced engine power display message.
• 10042386Jun 1, 2012Brakes, Electrical system. Chevrolet/cadillac/gmc: certain vehicles experiencing erratic or inoperative speedometer or anti-lock brake system message or malfunctioning indicator light displaying in driver's information center. *pe updated 08/5/2013
• 10044242May 1, 2012Electrical system. Gm: j-35616-64b terminal test probe and replacement terminal. Also included models verano, regal, lacrosse, cts, srx, volt, sonic, malibu, impala, equinox, cruze, avalanche, tahoe suburban, silverado, sierra, yukon, and terrain for model year 2013. Model escalade model year 2012-2013. Model pontiac g3 model year 2007. Model wave model years 2005-2010. Denali models model years 2007-2013.
• 10044229Apr 1, 2012Engine cooling. Gm: diagnosis and repair- malfunction indicator lamp illuminated, reduce engine power message displayed, dtc p2135 set. Also included model sierra denali year 2010-2011
• 10037570Apr 1, 2012Body and structure. Gm: on some truck models there is some frame corrosion. *rm updated on 5/2/2012.
• 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
• 10043849Mar 1, 2012Air bags. Gm: air bag warning lamp illuminated, repeat history dtc b0083 0f- b0088 0f on vehicles operated in amarillo texas area. An updated software calibration has been released to address this condition. Also included in models years 2010-2012 model:cadillac escalade hybrid; chevrolet silverado hybrid; chevrolet tahoe hybrid;gmc sierra denali; gmc sierra hybrid;gmc yukon hybrid; gmc yukon denali hybrid.
• 10043829Mar 1, 2012Transmission and drivetrain. Gm: loss of high speed gmlan communications, intermittent no crank, ip gage fluctuation, intermittent door look cycling, intermittent chime operation, various ip warning lamps illuminated, transmission may not shift, communication dtcs u0073, u0100, u0101, u0102 u0121 or u0140 set (repair terminals in transmission harness connector, repair open or shorted gm high speed lan circuits, open or shorted data link…
• 10041435Mar 1, 2012Fuel system. Chevrolet/gmc: at high pressure pump to high pressure fuel lines there are signs of fuel leakage and/or fuel odor. *pe updated on 5/2/2012.
• 10026624Mar 1, 2012Engine cooling. Gmc: correct front axle vent hose routing. The front axle vent hose is mounted in the left side of the engine compartment, and may not be correctly routed. *pe updated on 5/1/2012.
• 10043486Feb 1, 2012Electrical system. Chevrolet/gmc: stop lamp switches has failed but not confirmed, due to possible code set by wiring/terminal issue at brake switch.
• 10043504Jan 1, 2012Electrical system. Gmc/chevrolet: see docuemtn search button for owner letter. Auxiliary battery feed may cause fusible link to melt and open circuit to prevent damage or fire in wiring harness, due to electrical over load.
• 10038294Jan 1, 2012Seat belts. Gm: there are seat belt problems: difficulty latching and unlatching buckle. Buckle release button is sticking. Seat belt warning light illuminated. Likely caused by sticky beverages that are spilled into the buckle assembly. *rm updated 4/3/12.
• 10043048Dec 1, 2011Electrical system. Cadillac/chevrolet/gm: in regards to some vehicles, there is an issue of no airflow through hvac vents due to the blower motor being inoperative. *pe updated 2/21/12.
• 10038305Dec 1, 2011Air bags. Gm: the air bag warning light is on with stored trouble codes due to an electro-magnetic interference in the amarillo, texas area. *rm updated 6/24/11. *pe updated 3/12/12.
• 10043185Nov 1, 2011Transmission and drivetrain. Cadillac/chevrolet/gmc/hummer: some suvs and trucks are exhibiting a condition where by grinding/ratcheting type noise coming from automatic transmission when shifting into park while in 4wd low (4lo) range.
• 10043014Nov 1, 2011Steering. Chevrolet/gmc: some vehicles may experience fluid leaking from front drive axle area. After inspection, problem found to be pinion seal leaking.
• 10043006Nov 1, 2011Transmission and drivetrain. Gmc/chevrolet: bulletin provides information on the seal revision and the transfer case output shaft slinger for certain model year trucks.

← All problems reported for the 2011 GMC Sierra