2008 GMC Sierra Technical Service Bulletins

317 technical service bulletins (TSBs) are on record for the 2008 GMC Sierra. 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.

• 10023413Oct 1, 2007Exterior lighting. Right front turn signal inoperative.
• 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.
• 10022796Sep 27, 2007Engine cooling. Perceived hesitation or lack of power during throttle reapply at slow speeds.
• 10022794Sep 27, 2007Transmission and drivetrain. 2-3 upshift slip or flare.
• 10022768Sep 26, 2007Electrical system. Auxiliary power to 7-way trailer connector.
• 10022697Sep 20, 2007Steering. Engineering information request during rear ring and pinion replacement.
• 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.
• 10020953Sep 1, 2007Electrical system. Information on auxiliary power wire at trailer and installation of aftermarket trailer brake controller - towing, tow *kb updated 11/02/07.
• 10022429Aug 13, 2007Transmission and drivetrain. Low power, poor performance, or busy shifting. *kb updated 09-26-07.
• 10022362Aug 3, 2007Tires. Service tire monitor message with aftermarket wheels. *kb updated on 09/20/07.
• 10022927Aug 1, 2007Electrical system. Replacement information for broken t-bolt on negative and/or positive battery cable terminal.
• 10022714Jul 1, 2007Seat belts. Front seatbelt latch plate reversed, front seatbelt twisted (perform repair to untwist seatbelt).
• 10022706Jul 1, 2007Electrical system. Information on vehicles built with or without instrument panel cluster daytime backlighting- new feature.
• 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