2003 Hummer H2 Technical Service Bulletins

490 technical service bulletins (TSBs) are on record for the 2003 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.

• 10017091Oct 24, 2005Visibility (wipers, defrost, mirrors). Service vme - sunroof motor replacement information.
• 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.
• 10017832Sep 1, 2005Engine cooling. I/m readiness as part of emission inspection and maintenance program for obd ii vehicles.
• 10015018Sep 1, 2005Equipment. Information on upgrading certain onstar generation 5 analog/digital-ready systems to onstar generation 6 dual-mode (analog/digital).
• 10017380Aug 1, 2005Seats. Intermittent heated seats inoperative, diagnostic trouble code b3941 set.
• 10017370Aug 1, 2005Suspension. Vehicle wheel alignment requirements and recommendations. 2006 and prior passenger cars and light duty trucks.
• 10011232Aug 1, 2005Seats. Memory seat may not return to requested position.
• 10017463Jul 1, 2005Electrical system. Battery and charging system electrical diagnostics. 1997 - 2006 all gm cars and trucks.
• 10017518Jun 1, 2005Suspension. Revised shock absorber bolt tightening specification.
• 10017513Jun 1, 2005Body and structure. New liftgate strut ball stud tightening specification.
• 10014909May 11, 2005Suspension. Vehicle sits low or the suspension sags overnight.
• 10014906May 11, 2005Suspension. Rear air suspension leak-down.
• 10014899May 11, 2005Steering. Steering idler arm inspection procedure.
• 10014870May 11, 2005Engine cooling. 1999 - 2005 gen ii cold engine misfire at idle with possible p0171 and/or p0174.
• 10014856May 11, 2005Suspension. Rear end of the vehicle appears to sag after the vehicle sits overnight or longer.
• 10017411May 1, 2005Transmission and drivetrain. Revised front and rear drive axle fluid capacities and wheel nut torque specification.
• 10017409May 1, 2005Engine cooling. Oil leak under extreme cold temperatures (-34 degrees c) (-30 degrees f) or colder).
• 10013544Apr 21, 2005Visibility (wipers, defrost, mirrors). Windshield wiper pulse function.
• 10013533Apr 21, 2005Steering. Lack of steering assist or shudder during parking lot type maneuvers.
• 10013516Apr 20, 2005Engine cooling. Shudder or bind on truns in 4 hi. *eh updated 03-01-07.
• 10013514Apr 20, 2005Electrical system. Ignition key can not be rotated in steering colum lock cylinder. This includes 1999-05 chevrolet and gmc full size trucks and utility.
• 10017343Apr 1, 2005Suspension. Revised stabilizer shaft link replacement procedure and fastener tightening specifications. 1999 - 2005 chevrolet and gmc full size pickup and utility models.
• 10014846Mar 10, 2005Body and structure. The a pillar sunroof drain hose may be misrouted and water may be entering the air inlet of the hvac case.
• 10014845Mar 10, 2005Steering. Steering gear whistle noise on turns.
• 10015017Mar 1, 2005Equipment. Onstar labor operation codes. 1996-2005 gm passenger cars and trucks and saturn vehicles.
• 10015016Mar 1, 2005Equipment. Onstar phone number concerns (phone number incorrect/assigned to another vehicle/phone) that occur during diagnosis of onstar system. 2000-2005 gm passenger cars and trucks and 2003-2005 saturn vehicles with onstar.
• 10015006Mar 1, 2005Engine cooling. Top tier detergent gasoline (deposits, fuel economy, no start, power, performance, stall concerns). 2005 and prior all general, saab and saturn cars and trucks.
• 10015005Mar 1, 2005Engine cooling. Revised inspection/maintenance (I/m) evaporative emission (evap) system set procedure.
• 10014963Mar 1, 2005Other or unknown. Gm parts ordering system. All 2005 and prior gm and trucks.
• 10014945Mar 1, 2005Suspension. Revised front caster and camber adjustment procedure. Original not yet received.
• 10017324Feb 1, 2005Equipment. Global position sensor (gps) performance degradation. 1996 - 2005 passenger cars and trucks. 2002 - 2005 saturn vehicles.
• 10016379Feb 1, 2005Equipment. Navigation radio hum. This applies to 2003-05 chevrolet/gmc/cadillac/hummer h2 full size utilities. Gm tech links.
• 10011820Feb 1, 2005Visibility (wipers, defrost, mirrors). Power folding mirrors will not fold inward. This also includes 03-05 chevrolet gmc and cadillac full size trucks and utilities with dl3.
• 10013578Jan 20, 2005Visibility (wipers, defrost, mirrors). Windshield wiper pulse function.
• 10013482Jan 1, 2005Equipment. Compact disc or dvd player skipping inoperative sluggish and or long search times. This includes 2005 and prior gm passenger cars trucks and saturn models.
• 10013458Jan 1, 2005Suspension. Replacement of shock absorbers and struts and use of labor operation. This also includes 2005 and prior passengers cars and trucks also include saturn vehicles.
• 10013440Jan 1, 2005Equipment. Onstar system inoperative onstar system status light is red radio locked in phone mode or dtc b1000.
• 10013435Jan 1, 2005Equipment. Instructions to be followed to aid in obtaining root cause analysis on both oem and goodwrench engines transmissions and transfer cases. This includes 2005 and prior gm passenger cars and trucks.
• 10013433Jan 1, 2005Equipment. Onstar proactive parts shipment process. 1996-2003 passenger cars and trucks.
• 10013432Jan 1, 2005Suspension. Gm new vehicle tire warranty program. *tt 1996-2005 passenger cars and light duty trucks.
• 10015775Oct 1, 2004Visibility (wipers, defrost, mirrors). Windshield upper reveal molding which may contribute to wind noise in the windshield area. Gm tech link.
• 10012745Oct 1, 2004Equipment. Information on error codes on radio display their cause and corrective action.
• 10012735Oct 1, 2004Equipment. Radio telephone/mobile radio (transceiver) installation and troubleshooting guidelines. 1990-2005 passenger cars and trucks. Original not yet received.
• 10012733Oct 1, 2004Equipment. Diagnostic information for moan groan or boom noise at idle vibration in steering wheel or felt through floor when ac compressor engages do not replace ac compressor.
• 10012731Oct 1, 2004Equipment. High pitched tone heard inside vehicle when ac compressor is engaged.
• 10012727Oct 1, 2004Equipment. Hvac not cold enough a/c compressor does not engage .
• 10012704Oct 1, 2004Engine cooling. Use of surface conditioning disks.
• 10016212Sep 1, 2004Equipment. A/c low pressure switch diagnosis.
• 10013053Aug 18, 2004Suspension. Single rear air suspension compressor discontinued and is replaced with the dual air compressor used on the 2005 model.

← All problems reported for the 2003 Hummer H2