2008 Chevrolet Avalanche Technical Service Bulletins

1,220 technical service bulletins (TSBs) are on record for the 2008 Chevrolet Avalanche. 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.

• 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, 2012Vehicle speed control, Other or unknown, Electrical system. 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
• 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.
• 10247740Sep 1, 2012Equipment. Radio Button Backlighting Inoperative.
• 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
• 10247704Sep 1, 2012Suspension. Rattle Squeak Clunk Bump Noise From Front Suspension.
• 10247649Sep 1, 2012Electronic stability control. Unwanted Stability Activation And/Or C0710.
• 10247085Sep 1, 2012Equipment. Radio Button Backlighting Inoperative.
• 10247082Sep 1, 2012Body and structure. Whistle Noise From Drivers Side A Pillar Area
• 10247065Sep 1, 2012Suspension. Stabilitrak/Traction Control OFF With Red Brake Warning Lamp
• 10245343Sep 1, 2012Suspension. Rattle Squeak Clunk Bump Noise From Front Suspension.
• 10245288Sep 1, 2012Electronic stability control. Unwanted Stability Activation And/Or C0710.
• 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.
• 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).
• 10022691Feb 1, 2012Brakes. Gmc: unable to communicate with the ebcm dtc u0121. *nj vehicles equipped with jl4. Updated 9/30/08. *pe updated 6/27/11. *pe updated 4/6/12.
• 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.
• 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.
• 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.
• 10037141Apr 1, 2011Fuel system. Gm: fuel tank may be hard to fill. Malfunction light may be on. There may be four different fault codes present. *rm updated on 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.
• 10038295Feb 1, 2011Other or unknown. Gm: information on fixing multiple situations right the first time.
• 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.
• 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.
• 10037544Jan 1, 2011Transmission and drivetrain. Gm: when stopping or accelerating there may be a clunk noise and its as if the vehicle is bumped from behind. This can be caused by a slip in the rear propshaft.
• 10035804Oct 1, 2010Engine cooling. Cadillac/chevrolet/gmc/pontiac: engine oil consumption on aluminum block engines with active fuel management (afm) (install afm oil deflector and clean carbon from cylinder). Caused by an uncovered afm valve that sprays oil on the bottom of the cylinders when the vehicle is in four cylinder mode. *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 Avalanche