2007 Hummer H3Service bulletins
2007 Hummer H3 Technical Service Bulletins
812 technical service bulletins (TSBs) are on record for the 2007 Hummer H3. 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.
- 10021449Mar 1, 2007Other or unknown. Information on passenger occupant sensing system concerns with custom upholstery, accesory seat heaters or other comfort enhancing devices. All 2007 and prior gm passenger cars and light duty trucks including saturn
- 10021019Feb 22, 2007Transmission and drivetrain. Slip condition in 2nd, 3rd, or 4th. Damaged 2-4 or 3-4 clutch. *kb updated 10/31/07.
- 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.
- 10020667Oct 1, 2006Engine cooling. Product enhancement for inventory and customer vehicles engine cooling fan noise - expires with base warranty.
- 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.
- 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.
- 10017299Nov 2, 2005Transmission and drivetrain. Electronic transfer case unable to complete shift.
- 10013516Apr 20, 2005Engine cooling. Shudder or bind on truns in 4 hi. *eh updated 03-01-07.
← All problems reported for the 2007 Hummer H3
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.