2008 Chevrolet Silverado Technical Service Bulletins

247 technical service bulletins (TSBs) are on record for the 2008 Chevrolet Silverado. 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.

• 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.
• 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.
• 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.
• 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.
• 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.
• 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.
• 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
• 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…
• 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.
• 10043859Feb 1, 2012Engine cooling. Gm: see document search button for owner letter. Incorrect engine control module calibration. General motors has decided to conduct a voluntary emission recall involving certain 2008 model year vehicles equipped with a 4.8l/0.6l engine (ly2/l76).
• 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.
• 10029924Dec 1, 2011Air bags. General motors: diagnostic information for intermittent restraints, air bag (sir) indicator/lamp on with dtc(s) b0012, b0013, b0016, b0016, b0019, b0020, b0022, b0023, b0026, b0033, b0040, b0042 or b0044 set. This may be caused by a loose, missing, or broken connector position assurance (cpa) retainer at the air bag for the set dtc. Includes trailblazer ext. *pe updated 8/16/10. *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.
• 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.
• 10037184Oct 1, 2011Seat belts. Gm: service bulletin explaining when the safety belts are supposed to lock. *rm updated 12/6/11.
• 10032434Jun 1, 2011Transmission and drivetrain. Buick/chevrolet/hummer/gmc/pontiac/cadillac/saturn: technicians may find dtcs p0601, p0603, p0604, p062f or p1621 stored in the tcm as an active or a history code. Some of these dtcs can also be set in the ecm or fpcm. Make sure that you know which module (for example ecm, fpcm or tcm) has set the dtc before attempting to diagnose and repair this condition. *pe updated 8/1/11.
• 10038768May 1, 2011Electrical system. Gm: there may be multiple electrical issues such as: no start, starter stays engaged, fog lamps won't turn on, washing fluid not spraying, park and reverse lights stay on, battery goes dead, and a buzz noise underneath the dash. 2007-2011 silverado/sierra.
• 10038744May 1, 2011Engine cooling. Gm: an 'engine power is reduced' message appears and there is a stored trouble code. This is caused by wear of the internal fuel injector.
• 10038672May 1, 2011Equipment. Gm: the carpet is curling at the top front edge. The carpet was folded prior to installation and when installed it curls back up. 2007-2012 silverado/sierra.
• 10036464May 1, 2011Engine cooling. Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. Upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe updated 3/21/11. *pe updated 5/9/11. *pe updated 5/25/11. *pe updated 06/16/2011. *kb updated a second time on 06/16/2011. *kb updated 6/27/11.
• 10039024Apr 1, 2011Body and structure. Gm: the chrome outside door handle is cracked or loose at the screw where it attaches. Grease may have cause the screw to degrade or the torque was too high.
• 10038759Apr 1, 2011Electrical system. Gm: onstar is making incomplete calls without the driver knowing. When have a data connection.
• 10030766Apr 1, 2011Suspension. Chevrolet/gmc: a clunking noise coming from the rear of the vehicle. Upon further investigation, the technician may diagnose the noise coming from the rear suspension leaf spring area. *pe updated 6/30/2011.
• 10038647Mar 1, 2011Tires. Gm: there may be tearing of the edge of the tire treads. There is also vibration and wear on some tires.
• 10038624Mar 1, 2011Engine cooling. Gm: the air bag light is on with a stored trouble code.
• 10038605Mar 1, 2011Engine cooling. Gm: information on inspecting and replacing turbos.
• 10038295Feb 1, 2011Other or unknown. Gm: information on fixing multiple situations right the first time.
• 10038596Jan 1, 2011Electrical system. Gm service campaign: see document search button for owner letter. The check engine light is on with the engine running rough. The spark plug wire boots don't provide enough protection.
• 10037941Jan 1, 2011Engine cooling. Gm: service engine soon light is on with a misfire and a possible tick noise.
• 10037933Jan 1, 2011Engine cooling. Gm: the service engine soon light is on, there is also a misfire or engine noise. There are multiple possible causes.
• 10037555Jan 1, 2011Seats. Gm: the driver or passenger heated seat are inoperative. They are slow to warm or may shut off. There are trouble codes set related to the ground terminal harness.
• 10037552Jan 1, 2011Transmission and drivetrain. Gm: there may be a bump noise or clunk feel when stopping or launching. This may be caused by a slip in the transmission.
• 10037542Nov 1, 2010Brakes. Gm: there may be a pulsation or vibration in the steering wheel while going downhill. There could also be a rumbling noise. This is likely caused by the brakes.
• 10037516Nov 1, 2010Engine cooling. Gm: there is a diesel engine hard start when hot. Starts fine when cold. There will be no internal trouble codes.
• 10037499Nov 1, 2010Fuel system, Engine cooling. Gm: there may be reduced power and an internal trouble code in high temperatures or when near the towing limit.
• 10030591Nov 1, 2010Exterior lighting. General motors: bcm calibrations available to restore bulb outage detection on vehicles produced by a second state manufacturer, turn signals flash fast after factory box removed (upfitter). May need to have body control module (bcm) rear turn signal bulb outage detection capability changed. *pe updated 5/20/11.
• 10036545Oct 1, 2010Steering. Buick/cadillac/chevrolet/gmc/oldsmobile and hummer: information on pitman arm shaft seal service kit. Do not replace entire steering gear for pitman seal leak. Technicians have been replacing entire steering gears due to not being able to service just leaking pitman shaft seal. *pe updated 5/9/11.
• 10036324Sep 1, 2010Engine cooling. Pontiac/saturn/buick/gmc/chevrolet/cadillac/hummer: vehicle start and stalls after theft deterrent module replacement. Model years 2006-2011. Does not apply to vehicles with keyless access system.

← All problems reported for the 2008 Chevrolet Silverado