2008 Chevrolet Suburban Technical Service Bulletins

1,251 technical service bulletins (TSBs) are on record for the 2008 Chevrolet Suburban. 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.

• 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.
• 10043902Feb 1, 2012Seats. Seat rattle and/or hard to latch and unlatch, power release fold and tumble not fully functioning.
• 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).
• 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.
• 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.
• 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.
• 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.
• 10038259Feb 1, 2011Seats. Gm: the third row seat is difficult to remove and install because of various floor latch situations.
• 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.
• 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.
• 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.
• 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.
• 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.
• 10036485Aug 1, 2010Engine cooling. Buick/chevrolet/gmc/pontiac/saab: excessive oil consumption and/or blue exhaust smoke-investigation update. In most cases did not start until the engine accumulated approximately 30,000 miles or more.
• 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).
• 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.
• 10025668Jun 1, 2010Electrical system, Engine cooling, Transmission and drivetrain, Latches, locks…. Loss of high speed gmlan communications, intermittent no crank, ipc gauge fluctuation, intermittent door lock cycling, transmission may not shift, dtcs u0073, u0100, u0101, u0102, u0121, u0140 set (repair backed out terminal in transmission harness connector). Vehicles with 6 speed 6l80 (rpo myc), 6l90 (rpo myd) or hybrid two mode 2m70 automatic. Including 2008 tahoe and yukon hybrid models. *pe 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.
• 10026005Aug 1, 2009Exterior lighting. Gmc: stop lamps intermittently turn off after coming to a complete stop while still having pressure on brake pedal (replace stop lamp switch). *pe updated 3/1/10.
• 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).
• 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.
• 10030092May 1, 2009Fuel system. General motors: the low fuel warning light comes on or the gauge shows empty when there is fuel in the tank. *pe updated 11/04/09.
• 10022713May 1, 2009Body and structure. General motors: power liftgate may open or close about a third of the way then reverses, dtcs b135e and/or b135f set (inspect liftgate wiring harness and repair as necessary). *nj updated 10/23/09. (dtcs b153b, b153e and/or b153f).
• 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.
• 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.
• 10026691Sep 1, 2008Tires. Gmc: tire pressure light stays on (reprogram rcdlr) even though tire pressure values are correct.
• 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.
• 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.
• 10026697Jun 1, 2008Electrical system. Gmc: intermittent no crank and/or discharged battery. Could be caused by a loose connection at the 175 amp mega fuse located on the passenger side of the cowl.
• 10026664Jun 1, 2008Transmission and drivetrain. Gmc: leak from transmission oil cooler line fitting on vehicles built in april or may, 2008.
• 10025670May 1, 2008Transmission and drivetrain. 4l60-e/4l65-e/4l70-e automatic transmission fluid leak from oil pump or bell housing area (replace torque converter hub-to-oil pump seal assembly). Attn: this bulletin applies to vehicles built prior to december 2007.

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