The problem
General Motors LLC (GM) is recalling certain model year 2006-2010 Hummer H3 vehicles manufactured February 5, 2005, to May 24, 2010, and 2009-2010 Hummer H3T vehicles manufactured May 21, 2008, to May 24, 2010. In the affected vehicles, the connector module that controls the blower motor speed for the heating, ventilation and air conditioning system may overheat.
The risk
If the blower motor connector module overheats, it can increase the risk of a fire.
The fix
GM will notify owners, and dealers will replace part of the blower motor connector and harness, free of charge. The recall began February 26, 2016. Owners may contact Hummer customer service at 1-800-732-5493. GM's number for this recall is 15042.
Recall details
| NHTSA campaign | 15V-421 (15V421000) |
|---|---|
| Manufacturer number | 15042 |
| Manufacturer | General Motors, LLC |
| Component | Visibility › Defroster/defogger/HVAC system › Fan/motor |
| Report date | July 1, 2015 |
| Owners notified | February 26, 2016 |
| Vehicles affected | 164,993 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the a/c & heater
Frequently asked questions
Is the recall 15V-421 repair free?
Yes. Hummer dealers will fix the problem at no cost: GM will notify owners, and dealers will replace part of the blower motor connector and harness, free of charge. The recall began February 26, 2016. Owners may contact Hummer customer service at 1-800-732-5493. GM's number for this recall is 15042.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 164,993 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.