2008 GMC Sierra 2500Service bulletins
2008 GMC Sierra 2500 Technical Service Bulletins
1,122 technical service bulletins (TSBs) are on record for the 2008 GMC Sierra 2500. 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.
- 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.
- 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.
- 10032332Dec 1, 2011Electrical system. Gm/hummer/saab: intermittent illumination of mil, service lamps, service messages, or dtc set by various control modules-diagnosing and repairing fretting corrosion (disconnect affected connector and apply dielectric lubricant). *pe updated 3/26/10. *pe updated 6/6/11. *pe updated 3/12/12.
- 10037184Oct 1, 2011Seat belts. Gm: service bulletin explaining when the safety belts are supposed to lock. *rm updated 12/6/11.
- 10038984Apr 1, 2011Transmission and drivetrain. Gm: some vehicles may have transmission fluid leaking from the coolant lines in cold temperatures.
- 10022671Apr 1, 2011Steering. Gear box power steering pump, p/s performance concerns. *nj updated on 6/30/2011.
- 10036184Sep 1, 2010Engine cooling, Electrical system, Fuel system. Gmc/chevrolet: engineering information-malfunction indicator lamp (mil). Check engine light on, change fuel filter/engine power is reduced message displayed on dic, dtc p0087 set. Engineering attempting to determine root cause of the low fuel rail pressure condition.
- 10034364Jan 1, 2010Engine cooling. Chevrolet/gmc: snow or ice ingestion into air cleaner element, malfunction indicator lamp (mil) illuminated, engine power is reduced message displayed, dtc p0101 set (perform repair as outlined).
- 10030726Jun 1, 2009Suspension. Chevrolet/gmc: a whine, grind or clunk noise from the rear axle at speeds above approximately 30 mph (50kph). This condition only applies to 10.5 rear axle assemblies, which are used on 2500 and 3500 series pickups equipped with a 5.0l engine.
- 10028753Feb 1, 2009Air bags, Transmission and drivetrain. General motors: engine running with key off, continuous run; sensing diagnostic module (sdm), no communication, service air bag light illuminated (install diode to solenoid/relay).
- 10023656Feb 1, 2009Transmission and drivetrain. Chevrolet gmc service campaign: see document search button for owner letter. Transmission overheat in extreme cold ambient temperatures - reprogram tcm. Located in alaska and minnesota; canadian yukon and northwest territories only. *nj csc was received. Updated 3/13/08. *nj updated 4/24/08. *nj updated 7/8/09. Csc letter was received.
- 10025303Oct 1, 2008Engine cooling. Chevrolet service campaign: see document search button for owner letter. Ecm eeprom - reprogram ecm. All 2007 and certain 2008 cheverolet silverado and express and gmc sierra and savana equipped with 6.6l duramax va diesel (rpo lmm - vin 6) engine. Csc was received. *pe updated 5/5/09. Csc letter was received.
- 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.
- 10023654Mar 1, 2008Transmission and drivetrain. Chevrolet gmc service campaign: see document search button for owner letter. Front axle vent tube kinked - fluid leak. *nj csc was received. Updated 4/24/08.
- 10023772Dec 1, 2007Transmission and drivetrain. Dtc p0756, p0796, p2714, p2723, tcc shudder or harsh engagement, harsh shifts, water in transmission - keywords code converter fluid torque. Equipped with 6l50, 6l80 or 6l90 (rpo's myb, myc, myd) automatic transmission.
- 10023215Oct 1, 2007Fuel system. Ei07239 - 5.3l, lmg, lc9 driveability symptoms, hesitation, miss, lack of power, dtc p0300, p0301, p0302, p0303, p0304, p0305, p0306, p0307, p0308, p0171, p0172, p0174, p1174, p1175, check engine light, mil, injector. *nj updated 2/19/08.
- 10023212Oct 1, 2007Equipment. Ei07264 - manual hvac performance, temperature, mode, a/c does not cool, dtc b0228, b0413, b0423, b0433, b3779, b3782 *nj updated 2/15/08.
- 10021847Oct 1, 2007Other or unknown. Procedure for installation of an aftermarket trailer brake controller in lieu of factory installed integrated trailer brake controller. *kb updated 11/02/07. *nj updated 2/19/08.
- 10022768Sep 26, 2007Electrical system. Auxiliary power to 7-way trailer connector.
- 10023221Sep 1, 2007Electrical system. Various electrical concerns - intermittently functioning or inoperative component, ip warning light on, dic message displayed, dtc set, no crank/start (repair ip wiring harness)
- 10023211Sep 1, 2007Exterior lighting. Use of auxiliary center high mounted stop lamp (chmsl) with installation of accessories overhead rack system.
- 10021019Feb 22, 2007Transmission and drivetrain. Slip condition in 2nd, 3rd, or 4th. Damaged 2-4 or 3-4 clutch. *kb updated 10/31/07.
← All problems reported for the 2008 GMC Sierra 2500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.