2005 Hummer H2 Technical Service Bulletins

644 technical service bulletins (TSBs) are on record for the 2005 Hummer H2. 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.

• 10028790Nov 1, 2010Brakes. General motors: on all 1988-2009 full size chevrolet/gmc pickups, utilities and vans, the brake pedal will move down or self apply during full lock turns or near full lock turns. Chevrolet astro and gmc safari vans; hummer 2 are included. *pe updated 5/24/11.
• 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.
• 10022702Jun 1, 2010Engine cooling. Intermittent mil/ses, dtc p2138 with reduced engine power (repair instrument panel (ip) to body harness connector). 2005-2008 gm passenger cars and light duty trucks including saturn. *nj updated 11/19/10. *pe updated 3/30/11.
• 10032462Aug 1, 2009Steering. Saab/hummer/gm: diagnostic tips/recommendations when power steering pump replacement is necessary. Analysis of returned power steering (ps) pumps that had been replaced for noise, no power assist, no or low pressure and leaking conditions has indicated a high number of no trouble found results. All 1997-2010 vehicles and light trucks; 2010 and prior hummers h2/h3 and saab 9-7x vehicles.
• 10021799Apr 1, 2009Fuel system. Various driveability functions due to clogged fuel injectors, mil/ses dtc's p0171, p0172, p0174, p0300, p1174, p1175. *kb updated 08-15-07. *kb updated 8/4/09.
• 10011124Apr 1, 2009Suspension, Tires. Tire puncture repair procedures for all cars and light duty trucks. 2008 and prior gm passenger cars & light duty trucks (including saturn) and hummer h2, h3 and saab 9-7x. *tt updated. *kb updated 4/11/08. *nj updated 8/4/09.
• 10030106Feb 1, 2009Seat belts. General motors: the seat belt buckles not operating and /or seat belt warning light illumination, as well as difficulty latching and unlatching the buckle or the buckle release button sticking. Affects 2010 and prior gm passenger cars and trucks, including saturn.)
• 10021115Dec 1, 2008Suspension. Information on tire radial force variation (rfv). 2008 and prior gm passenger cars and light duty trucks including 2008 and prior hummer h2, h3 and 2005-08 saab 9-7x and 2000-05 saturn l series and 2003-07 saturn ion. *kb updated 4/11/08. *nj updated 5/27/09.
• 10027804Nov 1, 2008Equipment, Electrical system. General motors corp: special coverage adjustment; analog onstar deactivation. *pe updated 2/17/09.
• 10026804Oct 1, 2008Transmission and drivetrain. Gmc: fluid leak from transmission oil cooler lines due to corrosion. All 2000-2006 light duty trucks equipped with the light duty automatic transmission.
• 10025770Sep 5, 2008Equipment. Some customers may comment on various hvac concerns including temperature doors defaulting to full hot position or unable to obtain defrost position.
• 10026704Aug 1, 2008Fuel system. Gmc: fuel gauge fluctuation in park or neutral, causing the low fuel light to illuminate.
• 10026586Jun 1, 2008Equipment. Buick cadillac chevrolet gmc hummer oldsmobile pontiac saab saturn service campaign: see document search button for owner letter. Special coverage adjustment-analog onstar deactivation. Fcc ruled in 2002 wireless carriers would no longer re required to support analog wireless network starting in 2008. *pe csc letter was received. Updated 12/1/08.
• 10025148Apr 1, 2008Steering. Clunking noise under hood and can be felt in steering wheel and/or steering column (replace upper intermediate steering shaft [I-shaft] assembly).
• 10012707Feb 1, 2008Engine cooling. Unnecessary engine crankcase and subsystems flushing services, additive recommendations and proper utilization of gm simplified maintenance schedule to enhance customer service experience. 2008 and prior gm cars and trucks. *tt updated 3/31/08.
• 10032850Jan 1, 2008Tires, Equipment. General motors: information on tire radial force variation. Vehicle must be driven before measuring tires on equipment hunter gsp9700 toensure removal of any flatspotting. Models include all gm passenger cars and light trucks, as well as certain hummers, saabs, and saturns.
• 10014497Nov 1, 2007Exterior lighting. Headlamps condensation and replacement guidelines. Kaperii. *tt 1993-2008 gm passenger cars and trucks including saturn. *kb updated 2/26/08.
• 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).
• 10023218Sep 1, 2007Electrical system. Service alert: concerns with aftermarket fuses in gm vehicles 2008 and prior gm passenger cars and light duty trucks (including saturn)
• 10019884Aug 1, 2007Engine cooling, Fuel system. Usage of e85 fuels in gm vehicles. 1997 - 2008 all gm cars and trucks. 1997 - 2008 all saturn vehicles. *tt updated. *kb updated on 10/22/07.
• 10015038Jun 1, 2007Seat belts. Safety belt locking conditions (normal operating characteristic). 2005-2008 gm passenger cars and light duty trucks (including saturn) . *tt updated 04-27-07. *kb updated 11/29/07.
• 10021447May 1, 2007Tires. Information on proper tire pressure. All gm passenger cars and light duty trucks from 2007 and prior.
• 10022260Apr 1, 2007Engine cooling. Front blower motor inoperative or may not shut off in extremely low ambient temperature conditions.
• 10021021Feb 22, 2007Engine cooling. Service vme. Supplement to 00-02-35-003l. Update on new I-shaft.
• 10021019Feb 22, 2007Transmission and drivetrain. Slip condition in 2nd, 3rd, or 4th. Damaged 2-4 or 3-4 clutch. *kb updated 10/31/07.
• 10012089Feb 1, 2007Steering. Clunking noise under hood and can be felt in steering wheel. *eh updated *eh updated.
• 10020689Dec 22, 2006Engine cooling. Blower motor is in-operable/ will not shut off/ dead battery.
• 10021113Dec 1, 2006Other or unknown. Car and truck fix it right the first time issues. This bulletin includes 2007 and prior passenger cars and trucks including saturn.
• 10021103Dec 1, 2006Transmission and drivetrain. Delayed engagement when shifting into these positions. Park into reverse, nuetral into drive, nuetral into reverse, and park into drive. This bulletin includes all 2000 - 2007 gm light duty trucks.
• 10020874Sep 23, 2006Suspension. Left front axle shaft difficult to remove. Axle differential leak seal shaft.
• 10020763Sep 1, 2006Suspension. Information on proper wheel changing procedures and cautions. 2007 and prior gm passenger cars and trucks including saturn.
• 10020762Sep 1, 2006Fuel system. Fuel system treatment plus, fuel sending unit corrosion and fuel system deposits. 2007 and prior gm passenger cars and trucks including saturns.
• 10020840May 1, 2006Electrical system. Updated transfer case connector service kit now available for transfer case speed sensor wire harness connector that comes loose or connector retainer clip breaks. 2007 and prior gm light duty trucks.
• 10020832May 1, 2006Electrical system. Instrument panel, body and general wiring harness repair. 2007 and prior gm passenger cars and trucks.
• 10020811May 1, 2006Transmission and drivetrain. 4l60-e / 4l65-e / 4l70-e automatic transmission product update. 2005 gm passenger cars and light duty trucks.
• 10019852Mar 1, 2006Suspension. Revised upper control arm replacement.
• 10018544Jan 6, 2006Seats. Heated seat inoperative or shut off in 30 seconds. Diagnostic trouble codes b2435, b2440, b3606 and/or b1825 set in the drivers seat module.
• 10018537Jan 6, 2006Transmission and drivetrain. Harsh 1-2 shift, malfunction indicator lamp illuminated, diagnostic trouble code p0894 stored in pcm.
• 10017397Nov 7, 2005Visibility (wipers, defrost, mirrors). Sunroof reverses direction when closing.
• 10017395Nov 7, 2005Suspension. Rear air suspension - trim height tool set.
• 10017299Nov 2, 2005Transmission and drivetrain. Electronic transfer case unable to complete shift.
• 10017239Oct 29, 2005Suspension. Rear air suspension in-op dtc c0563.
• 10017176Oct 27, 2005Suspension. Service air suspension message after replacing the air suspension compressor assembly from a single stage compressor to a dual stage compressor. May also have a current or history code c0660 and/or c0712.
• 10017144Oct 26, 2005Steering. Lack of steering assist when stopped or during parking lot type maneuvers. 99 - 05 chevrolet/gmc/cadillac/hummer h2 all full size trucks utilities and vans.
• 10017091Oct 24, 2005Visibility (wipers, defrost, mirrors). Service vme - sunroof motor replacement information.
• 10017065Oct 21, 2005Transmission and drivetrain. No drive in d4 or d3. To include 2005 gmc jimmy.
• 10017764Oct 1, 2005Seats. Unwanted/loose seat movement.
• 10016711Sep 28, 2005Brakes. Anti-lock braking system (abs) light on speedometer may be erratic. Diagnostic trouble code (dtc) c0055 c0235 c0236 or c0237 stored in the ebcm. *tt 1998-2008 all chevrolet, gmc, buick, and oldsmobile mid-sized trucks and utilities. 1998-2008 all chevrolet, gmc, and cadillac full sized trucks and utilities. *kb updated on 09/20/07.
• 10016706Sep 28, 2005Transmission and drivetrain. 4l60e/4l65e automatic transmission may experience a condition of distressed transmission fluid and/or slipping, late or missed shifts in 2nd, 3rd, and 4th.
• 10017847Sep 1, 2005Body and structure. Cloudy spot in paint after protective covering is removed (heat area). 2005 - 2006 gm passenger cars and trucks.

← All problems reported for the 2005 Hummer H2