NHTSA Campaign Number
15V421000
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
Reported to NHTSA: July 1, 2015
Key Takeaways
- Recall 15V421000 currently maps to 5 tracked vehicle-year pages across 1 make.
- This page summarizes the official defect description, safety consequence, and remedy text published by NHTSA for this campaign.
- This is a campaign-level lookup, not a VIN-level clearance result. Use a VIN lookup before assuming your specific vehicle is still open.
Defect Description
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.
Safety Consequence
If the blower motor connector module overheats, it can increase the risk of a fire.
Remedy
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.
What This Recall Page Shows
This page summarizes a single NHTSA recall campaign, including the defect description, safety consequence, and manufacturer's remedy. The affected vehicles listed below are the make/model/year combinations tracked in our database — this is not a VIN-specific result. To check whether your individual vehicle is covered by this recall, enter your 17-digit VIN at nhtsa.gov/recalls. Click any vehicle below to view its full safety profile.
Affected Vehicles (5)
Browse Affected Vehicles
Affected Models
Affected Make + Year Views
This recall information is from NHTSA campaign 15V421000. This site is not affiliated with NHTSA. Contact your dealer or call NHTSA's Vehicle Safety Hotline at 1-888-327-4236 for more information.
Data synced from NHTSA on May 4, 2026