2007 GMC Sierra Classic Technical Service Bulletins

66 technical service bulletins (TSBs) are on record for the 2007 GMC Sierra Classic. 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.

• 10037184Oct 1, 2011Seat belts. Gm: service bulletin explaining when the safety belts are supposed to lock. *rm updated 12/6/11.
• 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.
• 10022671Apr 1, 2011Steering. Gear box power steering pump, p/s performance concerns. *nj updated on 6/30/2011.
• 10035764Sep 1, 2010Fuel system, Engine cooling. Chevrolet/gmc: check engine light on, fuel tank hard to fill, dtcs p0442, p0446, p0455 or p0449 set (replace evaporative emission (evap) vent valve solenoid assembly and add/relocate fileter box using service kit).
• 10019434Aug 1, 2009Engine cooling. Diesel engine glow plug trouble codes. *tt updated 3/15/10.
• 10030123Jul 1, 2009Engine cooling. General motors: lbz, lly, lmm mil/ses light n dtc p0087-fuel rail pressure (frp) too low, lack of performance, no power, engine runs rough, no start (diagnose fuel system components). *pe updated 3/1/10.
• 10030207Apr 1, 2009Engine cooling. Chevrolet/gmc: diesel engine turbo dtc p2563 or p003a. May encounter a concern of ses light, reduced power, low power.
• 10026744Jun 1, 2008Seats, Electrical system. Gmc: sir mil dtc b0084 and/or b0085. This concern could be caused by broken seat position sensor circuits under the driver or passenger front seats. Over time, from repeated seat movement, the wiring could break.
• 10024785Mar 1, 2008Brakes. Diagnostic information on mil/ses with dtc p0171 (fuel trim system lean bank 1) and/or p0174 (fuel trim system lean bank 2) after brake master cylinder replacement.
• 10024601Mar 1, 2008Transmission and drivetrain. Dtc u0101, no engine crank and no tech ii communication with tcm. Equipped with allison lct1000 (rpo-mw7) automatic transmission.
• 10024345Feb 1, 2008Transmission and drivetrain, Suspension. Eaton locking differential chatter shudder noise on turns, equipped with a locking rear differential rpo g80. *nj updated 7/17/2008.
• 10017464Jan 1, 2008Transmission and drivetrain. Service 4wd light illuminated, diagnostic trouble code (dtc) c0374 set. *tt updated 10/05/07. *nj inspect wiring harness to transfer case speed sensors, replace wiring harness. Updated 7/18/08
• 10023744Dec 1, 2007Transmission and drivetrain. 4 wheel drive inoperative front axle will not engage - keywords clunk grind growl k2 k3 equipped with a 9.25 front differential. *nj updated 2/27/08.
• 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.
• 10023217Sep 1, 2007Exterior lighting. Turn signal in camper style outside rearview mirror (rpo dpn) does not illuminate turn signal flash (replace upper mirror glass)
• 10023211Sep 1, 2007Exterior lighting. Use of auxiliary center high mounted stop lamp (chmsl) with installation of accessories overhead rack system.

← All problems reported for the 2007 GMC Sierra Classic