2006 GMC Sierra Technical Service Bulletins

202 technical service bulletins (TSBs) are on record for the 2006 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.

• 10023740Apr 1, 2008Engine cooling. Ses light on due to dtc p0101 and/or p0106 - inspect air filter and/or map sensor . With 6.6l diesel engine (rpo, lbz, lly, or lmm). *nj updated 5/13/08.
• 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, 2008Suspension, Transmission and drivetrain. Eaton locking differential chatter shudder noise on turns, equipped with a locking rear differential rpo g80. *nj updated 7/17/2008.
• 10024344Feb 1, 2008Engine cooling. Possible engine oil leak due to pcv freeze-up, equipped with the 4.8, 5.3, 6.0, and 6.2 v-8 engines.
• 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
• 10023773Dec 1, 2007Transmission and drivetrain. Dtc c0327 with or without additional dtc's setting. With four wheel drive (4wd) only.
• 10022914Oct 4, 2007Electrical system. One of the following concerns when programming the mileage or the hours into an exchange instrument panel cluster that is received from an electronic service center (esc).
• 10022769Sep 26, 2007Transmission and drivetrain. Transmission slips, will not shift, ses light may be illuminated.
• 10022766Sep 26, 2007Electrical system. Blown mbec 1 or lbec 1 fuse.
• 10023217Sep 1, 2007Exterior lighting. Turn signal in camper style outside rearview mirror (rpo dpn) does not illuminate turn signal flash (replace upper mirror glass)
• 10022360Aug 3, 2007Transmission and drivetrain. Allison lct1000 harsh 3-2, 2-1 downshift, and abs may activate.
• 10012694Aug 1, 2007Steering. Release of steering gear stub shaft bearing kit for service. *tt updated 08-15-07. *kb updated 10/09/07.
• 10020808Jul 1, 2007Fuel system. Information on 3.5l, 3.9l, and 5.3l e85 fuel compatible vehicles, with alcohol content, switching between gasoline and e85 fuel. *kb updated on 09/19/07.
• 10021676Jun 15, 2007Transmission and drivetrain. New design front axle side bearing adjusters.
• 10021673Jun 15, 2007Interior lighting. Ipc backlighting inoperative tbc 2a fuse open.
• 10022470Jun 1, 2007Brakes. Abs light on, dtc's c0265, c0201, u1041 set and/or loss of communication with brake module. (reground ebcm ground).
• 10022369Jun 1, 2007Fuel system. Service update for inventory and customer vehicles e85 virtual flex fuel sensor (vffs) update- reprogram ecm.
• 10021133Mar 13, 2007Brakes. Service brake booster message.
• 10021106Mar 1, 2007Engine cooling. Lbz, lly, engine with rough idle, poor performance, black/white exhaust smoke, mil/ses light on and one or more of the following dtc's p003a, p060b, p0230, p0403, p0401, p0606, p2146, p2149, p2152, p2155. (reprogram ecm and replace egr motor or egr valve. *kb updated 04-27-07. *kb updated.
• 10021076Mar 1, 2007Engine cooling. Loss of power when driving in extreme winter weather.
• 10021075Mar 1, 2007Tires. Unable to program tire size in ebcm/vses.
• 10021023Feb 22, 2007Engine cooling. Whine howl noise from the rear differential on vehicles equipped with an 8.6 rear axle.
• 10021021Feb 22, 2007Engine cooling. Service vme. Supplement to 00-02-35-003l. Update on new I-shaft.
• 10021020Feb 22, 2007Tires. Bridgestone duravis tire chip and tear issue.
• 10021019Feb 22, 2007Transmission and drivetrain. Slip condition in 2nd, 3rd, or 4th. Damaged 2-4 or 3-4 clutch. *kb updated 10/31/07.
• 10021016Feb 22, 2007Air bags. Dual stage passenger air bag used in single stage application.
• 10021015Feb 22, 2007Electrical system. Unable to locate emergency light relay and/or blunt cut wires.
• 10021014Feb 22, 2007Steering. Power steering pump leak/ incorrect mounting bolt.
• 10021010Feb 22, 2007Tires. Bridgestone dueler product information update.
• 10012089Feb 1, 2007Steering. Clunking noise under hood and can be felt in steering wheel. *eh updated *eh updated.
• 10021116Jan 1, 2007Suspension. Inspection of tire and wheel size prior to diagnosis of transmission shifts, poor performance, speedometer, cruise control concerns.
• 10021100Dec 1, 2006Suspension. Rear drive axle whine noise (replace slip yoke assembly).
• 10011126Dec 1, 2006Engine cooling. Various intermittent driveability conditions - hesitation, lack of power, etc.
• 10017373Nov 1, 2006Equipment. Ei05082 - loss of blower motor speeds except for high speed or inoperative. *tt updated. *kb updated
• 10020929Oct 11, 2006Brakes. Rear brake pulsation check drum to axle clearance, with rpo jf3 or jf7.
• 10020927Oct 11, 2006Transmission and drivetrain. Allison transmission equipped vehicles setting diagnostic trouble code (dtc) p0877. Vehicles equipped with allison lct1000 mw7 transmission.
• 10020582Oct 11, 2006Fuel system. Dual tanks fuel gauge defaults to empty - new calibrations. Stall start tank transfer. Vehicles with 6.6l rpo lb7 or lly engines.
• 10021167Oct 9, 2006Fuel system. Diesel fuel system engineering investigation.
• 10020577Oct 4, 2006Brakes. Rear drum brakes excessive wear, drag, and aggressive.
• 10011755Oct 4, 2006Body and structure. Tailgate cable slack. This includes 1998-2006 chevrolet and gmc full and mid size trucks. *eh updated.
• 10012561Oct 1, 2006Engine cooling. Information on servicing fuel injectors to avoid contamination. *eh updated 03-19-07.
• 10021018Sep 28, 2006Transmission and drivetrain. No movement when the shift lever is moved to d4 or d3. Normal operation when moved to d2 d1 or reverse. *kb updated.
• 10021017Sep 27, 2006Visibility (wipers, defrost, mirrors). Door glass pops out of run channel.
• 10020489Sep 27, 2006Transmission and drivetrain. Engine with a repeat cracked flywheel.
• 10020874Sep 23, 2006Suspension. Left front axle shaft difficult to remove. Axle differential leak seal shaft.
• 10020238Aug 21, 2006Transmission and drivetrain. Clutch pedal fade or clutch will not disengage typically when towing.
• 10020076Jul 19, 2006Electrical system. Throttle body codes p2108, p1516, and u0107.
• 10020072Jul 19, 2006Engine cooling. Turbocharger oil feed line kinked or restricted.
• 10020827Jun 1, 2006Transmission and drivetrain. Vehicle shudder when driving in 6th gear range.
• 10020207Jun 1, 2006Transmission and drivetrain. Product enhancement for inventory vehicles only. Transmission control module (tcm) electrical contact notice label - expires on september 30, 2006.

← All problems reported for the 2006 GMC Sierra