2010 Hummer H3 problems and complaints
Owners have filed 7 complaints with NHTSA about the 2010 Hummer H3. The most-reported areas: Electrical System (4), Power Train (1), Engine (1).
Key takeaways
- 7 owner complaints on file with NHTSA.
- 0 involve a crash, 1 a fire, 0 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 4 | 57% |
| Power Train | 1 | 14% |
| Engine | 1 | 14% |
| Visibility | 1 | 14% |
| Structure | 1 | 14% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2010 Hummer H3 4-DR w/SAB | Not rated | Not rated | Not rated | 3/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Power Train - filed 2024-03-02
My transfer case established a large fluid leak so I inspected it, the findings was a large hole in the main housing on the transfer case fluid was leaking out. The transfer case was removed and disassembled, and found that the 2 screws that hold the chain guide to the housing had backed out or fell out and let the ch...
Electrical System - filed 2019-10-22
TL* THE CONTACT OWNS A 2010 HUMMER H3. ON MANY OCCASIONS, THE VEHICLE WOULD NOT IMMEDIATELY START AND THE SECURITY INDICATOR ILLUMINATED. THE VEHICLE HAD BEEN SERVICED FOR THE SAME FAILURE MANY TIMES AT MARITIME MOTORS (985 POST RD, FAIRFIELD, CT). THE FUEL PUMP, ALTERNATOR, AND BATTERY WERE REPLACED DURING THE REPAIRS...
Electrical System - filed 2018-11-14
THE VEHICLE SOMETIMES WILL NOT START DUE TO A PROBLEM WITH THE SECURITY SENSOR IN THE IGNITION SWITCH. THIS IS WHEN STARTING UP THE VEHICLE AND WILL ONLY PERIODICALLY OCCUR. THE SECURITY SYSTEM LIGHT COMES ON AND YOU HAVE TO WAIT 10 MINUTES TO START THE VEHICLE, THEN IT WILL START. IT HAS HAPPENED IN THE SUMMER ...
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More for the 2010 Hummer H3
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.