2009 Chevrolet Avalanche Technical Service Bulletins

1,298 technical service bulletins (TSBs) are on record for the 2009 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.

• 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.
• 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.
• 10022693Jun 1, 2011Electronic stability control. Service stability lamp dtc c0131. *nj updated 4/1/08. *nj updated 6/26/08. *nj updated 12/18/08. *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.
• 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.
• 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.
• 10037127Oct 1, 2010Engine cooling, Fuel system. Gm: on a cold start there may be a hard start, brief rough running, black exhaust color, and an engine light. The symptoms diminish after running a while.
• 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.
• 10028264Sep 1, 2010Equipment, Electronic stability control, Electrical system. General motors: during normal diagnostics and/or repair verification the abs light, traction control and/or stabilitrak indicators may be on with no dtc's displayed by the ebcm. *pe updated 11/17/10. *pe updated 3/14/11.
• 10036524Jul 1, 2010Engine cooling, Electrical system. Cadillac/chevrolet/gmc: information on inspecting top post battery cable bolts, clamps and nuts during pre-delivery inspection (pdi).
• 10036564Jun 1, 2010Electrical system. Gmc/chevrolet: check trailer wiring message in dic poor connections at 7-way). This concern could be caused by a poor connection at the 7-way trailer connector. There are several manufacturers of 7-way (trailer side) connectors and no industry standard specifications for these connectors. Models avalanche, suburban, tahoe, sierra, silverado, sierra denali, yukon, yukon xl.
• 10036550Jun 1, 2010Electrical system. Buick/cadillac/chevrolet/gmc/hummer/pontiac/saturn: additional diagnostic information for u0140 or u0073. Vehicle may exhibits some symptom(s) as door locks cycle while driving; intermittent no start; service stabilitrak dic message; speedometer and tachometer freeze while driving.
• 10036546Jun 1, 2010Electrical system. Chevrolet/gmc: service trailer brake message with dtc(s) c1115, c1116, c1117, and/or c1118 (inspect wiring near parking brake pedal). This concern may be very intermittent and can occur with or without a trailer connected to truck.
• 10024625Jun 1, 2010Electrical system. [check trailer wiring] message displayed on dic. With rpo jl1. *nj updated 3/28/11.
• 10024526Jun 1, 2010Electrical system. Service trailer brake message with dtc c1114 and/or c1112. With rpo jl1. *nj updated 3/28/11.
• 10034404Feb 1, 2010Air bags, Seat belts. Buick/cadillac/chevrolet/gmc: airbag light on, dtc b0071 and b0081 set (diagnose and replace right front seatbelt buckle, if necessary). Upon investigation, the technician may find dtc b0071 set in the passenger presence system (pps) and a dtc b0081 in the sensing and diagnostics module (sdm).
• 10030244Feb 1, 2010Electrical system, Engine cooling, Transmission and drivetrain, Latches, locks…. Cadillac/chevrolet/gmc: locations of high speed gmlan wiring concerns. Gauges inoperative, no crank, harsh transmission shifting, no transmission shifting, door locks cycling and indicators on. *pe updated 11/17/10.
• 10032457Sep 1, 2009Suspension. Cadillac/chevrolet/gmc: proper application and availability of ball studs for aluminum vs. Cast iron front lower control arms.
• 10032295Aug 1, 2009Engine cooling. Gmc/chevrolet: intermittent engine stall on deceleration during extreme high ambient temperatures (reprogram ecm).
• 10032336Jul 1, 2009Brakes, Air bags. Gmc/cadillac/chevrolet: air bag readiness light on, service air bag message, inflatable restraint sensing and diagnostic module (sdm) corrosion (replace sdm/cut and remove carpet pad).
• 10032333Jul 1, 2009Exterior lighting. Gmc/chevrolet: trailer and vehicle brake lights do not illuminate when integrated trailer brake control system (itbc) manual trailer brake apply lever is used (reprogram body control module (bcm).
• 10032867Jun 1, 2009Electrical system. Chevrolet/cadillac/gmc: sir mil with dtc b0081. Can be set in the sdm and pps. In most cases, this dtc will set due to a communication fault and does not always require a module replacement. Inspect the pps and sdm powers, grounds, and communication circuits at all: in line connectors, pps connector, sdm connector and splice packs for being fully seated, backed out terminals, and proper terminal tension using the…
• 10032866Jun 1, 2009Electrical system. Gmc/chevrolet/cadillac: sir mil on with dtc b1325 sym 03. During a low battery/voltage condition the passenger presence system may set a b1325 sym 03 along with other faults that are caused by the low batter/voltage condition.
• 10030105May 1, 2009Fuel system. General motors: malfunction indicator lamp (mil) illuminated, dtc p0461;during an extended drive, the fuel gauge indicates empty (reprogram engine control module (ecm). *pe updated 11/23/09.
• 10030122Apr 1, 2009Steering. General motors: the left and/or right steering wheel lower (spoke) cover is warped, loose, discolored or just fits poorly in the steering wheel. The paint finish seems to be peeling.
• 10030111Apr 1, 2009Engine cooling. Diagnostic information on malfunction indicator lamp (mil) illuminated with dtcs p0442,p0446, p0451, p0452, p0453, p0454, p0455 and replacement of fuel tank pressure (ftp) sensor/module.
• 10028179Nov 1, 2008Electrical system, Equipment. Buick cadillac chevrolet gmc pontiac saturn service campaign: see document search button for owner letter. Onstar system inoperative; replace onstar module. Some vehicles may have an onstar module with a component that was not manufactured to gm's specification. Can result in an open circuit and an inability to call or receive calls from onstar. Csc letter was received.
• 10026701Sep 1, 2008Exterior lighting, Latches, locks and linkages, Interior lighting, Equipment…. Gmc: bmc failure after windshield wiper operation-keywords: ajar door dome driver dimmer flasher fog haul headlight head high hazard inop inoperative lamp light lock low not on off power park radio rap repeat signal shut speed stay switch turn tow unlock unwanted window. May be due to internal bcm damage.
• 10026693Sep 1, 2008Equipment. Buick cadillac chevrolet gmc pontiac saturn service campaign: see document search button for owner letter. Onstar system inoperative - replace onstar module. This can result in an open circuit and an inability to call or receive calls from onstar. Csc letter was received.
• 10022694Sep 1, 2008Brakes. Service brakes soon message dtc c0299. *nj updated 5/13/08. *nj updated 12/5/08. No hybrids vehicles.
• 10026704Aug 1, 2008Fuel system. Gmc: fuel gauge fluctuation in park or neutral, causing the low fuel light to illuminate.
• 10026149Aug 1, 2008Transmission and drivetrain. Gmc: flare and or harsh 2-3 shifts. This condition may be caused by leaking 1-2-3-4 and 3-5-r clutch fluid seal rings (230). Models cadillacs, chevrolets, gmc, hummers, pontiacs. Equipped with 6l80 (rpo myc) or 6l90 (rpo myd) automatic transmission.
• 10023752Aug 1, 2008Electronic stability control. Unwanted stability activation and/or c0710 with lift/lower kits-different tires/wheel. With rpo jl4. *nj updated 12/18/08.
• 10026007Jul 1, 2008Engine cooling. Gmc: no start, no crank, intermittent electrical operations (check for poor connections within engine wiring harness junction block).
• 10020883Jul 1, 2008Equipment, Brakes. Service stability lamp diagnostic trouble code (dtc) c0561. *kb updated 9/30/08.

← All problems reported for the 2009 Chevrolet Avalanche