NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
361 reports56,000 miles · Jul 8, 2017
Electrical SystemElectronic Stability Control (esc)
THE VEHICLE WILL TURN OVER, BATTERY IS FINE, BUT THE ENGINE WILL NOT START, DUE TO THE ON-BOARD SECURITY SYSTEM THINKING THAT THE VEHICLE IS BEING STOLEN. THIS FREQUENT PROBLEM HAS BEEN REPORTED TO THE NHTSB NUMEROUS TIMES AND TO GM WITH NO RESULTS. GM CUSTOMER SERVICE CLAIMS THAT THEY HAVE NEVER HEARD OF THIS PROBLEM, BUT IF …
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THE VEHICLE WILL TURN OVER, BATTERY IS FINE, BUT THE ENGINE WILL NOT START, DUE TO THE ON-BOARD SECURITY SYSTEM THINKING THAT THE VEHICLE IS BEING STOLEN. THIS FREQUENT PROBLEM HAS BEEN REPORTED TO THE NHTSB NUMEROUS TIMES AND TO GM WITH NO RESULTS. GM CUSTOMER SERVICE CLAIMS THAT THEY HAVE NEVER HEARD OF THIS PROBLEM, BUT IF YOU GOOGLE: 2006 HUMMER3 STARTING PROBLEMS, YOU WILL SEE A LONG LIST OF EXACTLY THE SAME COMPLAINTS. THIS SITUATION SHOULD WARRANT A RECALL AND REPAIR AT GM'S EXPENSE. THE CURRENT REMEDY IS TO SIT AND WAIT 10 MINUTES UNTIL THE SECURITY SYSTEM RESETS AND THEN THE VEHICLE CAN BE STARTED. THIS CONDITION OCCURS WITHOUT WARNING AND IS NOT COVERED AT ALL IN THE OWNERS MANUAL.
NHTSA ODI #11003828
115,000 miles · Jun 18, 2017
Electrical SystemEngineUnknown Or Other
TRUCK WILL NOT START FOR NO APPARENT REASON. KEY TURNS, SOUNDS LIKE IT WILL START BUT DOES NOT. THIS HAS HAPPENED ON SEVERAL OCCASIONS AND SEEMS TO BE AN ONGOING PROBLEM FOR OTHER HUMMER OWNERS TOO. I JUST HAD IT TOWED ONCE AGAIN TO THE MECHANICS SHOP. THIS IS THE 5TH TIME WITHIN ONE YEAR. UNABLE TO LEAVE MY HOUSE DURING AN EMER…
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TRUCK WILL NOT START FOR NO APPARENT REASON. KEY TURNS, SOUNDS LIKE IT WILL START BUT DOES NOT. THIS HAS HAPPENED ON SEVERAL OCCASIONS AND SEEMS TO BE AN ONGOING PROBLEM FOR OTHER HUMMER OWNERS TOO. I JUST HAD IT TOWED ONCE AGAIN TO THE MECHANICS SHOP. THIS IS THE 5TH TIME WITHIN ONE YEAR. UNABLE TO LEAVE MY HOUSE DURING AN EMERGENCY, CHILD RELATED.
NHTSA ODI #10995755
100,000 miles · Jun 17, 2017
EngineWheels
1) 1.5 YEARS AGO WE STARTED GETTING "MISFIRE ON CYLINDER 5" CODE AND NOW IT IS MULTIPLE MISFIRES. 2) MY FANCY RIMS ARE PEELING
NHTSA ODI #10995675
130,000 miles · May 11, 2017
Engine
TL* THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING APPROXIMATELY 60 MPH, THE VEHICLE SHUT DOWN, LOCKED UP, AND DID NOT RESTART. THE CHECK ENGINE INDICATOR ILLUMINATED. THE VEHICLE RESTARTED LATER AND WAS TAKEN TO THE DEALER WHO WAS UNABLE TO DIAGNOSE OR DUPLICATE THE FAILURE. THE VEHICLE WAS TAKEN TO ANOTHER DEALER WHERE THE F…
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TL* THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING APPROXIMATELY 60 MPH, THE VEHICLE SHUT DOWN, LOCKED UP, AND DID NOT RESTART. THE CHECK ENGINE INDICATOR ILLUMINATED. THE VEHICLE RESTARTED LATER AND WAS TAKEN TO THE DEALER WHO WAS UNABLE TO DIAGNOSE OR DUPLICATE THE FAILURE. THE VEHICLE WAS TAKEN TO ANOTHER DEALER WHERE THE FOLLOWING CODES WERE RUN FOR THE CHECK ENGINE WARNING: C0240, P0106, P0601. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 130,000.
NHTSA ODI #10984984
115,000 miles · Apr 16, 2017
Engine
WHEN I START VEHICLE SMOKE BLOWS OUT THE EXHAUST FOR 30-90 SECONDS THEN IT IS GONE. SITTING STILL AND ONLY DOES IT WHEN IT STARTS UP. GOOGLED THIS AND OTHERS HAVE HAD THIS ISSUE. HEAD GASKET LEAKING INTO VALVES. THIS IS A HEADACHE FOR TONS OF HUMMER OWNERS, SO WHY HAVEN'T THEY ISSUED A RECALL? STARTED LAST YEAR, POSSIBLY IN…
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WHEN I START VEHICLE SMOKE BLOWS OUT THE EXHAUST FOR 30-90 SECONDS THEN IT IS GONE. SITTING STILL AND ONLY DOES IT WHEN IT STARTS UP. GOOGLED THIS AND OTHERS HAVE HAD THIS ISSUE. HEAD GASKET LEAKING INTO VALVES. THIS IS A HEADACHE FOR TONS OF HUMMER OWNERS, SO WHY HAVEN'T THEY ISSUED A RECALL? STARTED LAST YEAR, POSSIBLY IN 2015 AND I'VE JUST KEPT AN EYE ON THE OIL AND KEEP REFILLING AS NEEDED.
NHTSA ODI #10978699
32,000 miles · Apr 10, 2017
Engine
TL* THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING APPROXIMATELY 70 MPH, THE VEHICLE SHOOK VIOLENTLY AS IT APPROACHED A STOP. WHILE IDLING, THE VEHICLE OPERATED NORMALLY. AN INDEPENDENT MECHANIC DIAGNOSED THAT THE VEHICLE NEEDED A NEW CYLINDER HEAD AND SENSORS. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE…
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TL* THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING APPROXIMATELY 70 MPH, THE VEHICLE SHOOK VIOLENTLY AS IT APPROACHED A STOP. WHILE IDLING, THE VEHICLE OPERATED NORMALLY. AN INDEPENDENT MECHANIC DIAGNOSED THAT THE VEHICLE NEEDED A NEW CYLINDER HEAD AND SENSORS. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 32,000. UPDATED 07/12/17*LJ *CN
NHTSA ODI #10971637
50,000 miles · Mar 20, 2017
Electrical SystemElectronic Stability Control (esc)Engine
TL* THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING 70 MPH, THE VEHICLE INDEPENDENTLY DECELERATED TO 30 MPH. THE STABILITY TRACKING SYSTEM, CHECK ENGINE, AND A THIRD INDICATOR ALL ILLUMINATED. THE FAILURE RECURRED MULTIPLE TIMES. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE WIRES OVER THE ENGINE FAILED AND …
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TL* THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING 70 MPH, THE VEHICLE INDEPENDENTLY DECELERATED TO 30 MPH. THE STABILITY TRACKING SYSTEM, CHECK ENGINE, AND A THIRD INDICATOR ALL ILLUMINATED. THE FAILURE RECURRED MULTIPLE TIMES. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE WIRES OVER THE ENGINE FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY). THE APPROXIMATE FAILURE MILEAGE WAS 50,000.
NHTSA ODI #10967261
196,000 miles · Mar 20, 2017
StructureVisibility
TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT THE DIRT FROM THE AIR WAS GETTING CLOGGED INTO THE SUN ROOF, WHICH AFFECTED THE PERFORMANCE OF THE SUN ROOF. WHEN THE SUN ROOF GOT CLOGGED WITH DIRT, IT CAUSED WATER TO LEAK INTO THE VEHICLE WHENEVER IT RAINED. THE WATER THAT LEAKED INTO THE VEHICLE WOULD AFFECT THE …
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TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT THE DIRT FROM THE AIR WAS GETTING CLOGGED INTO THE SUN ROOF, WHICH AFFECTED THE PERFORMANCE OF THE SUN ROOF. WHEN THE SUN ROOF GOT CLOGGED WITH DIRT, IT CAUSED WATER TO LEAK INTO THE VEHICLE WHENEVER IT RAINED. THE WATER THAT LEAKED INTO THE VEHICLE WOULD AFFECT THE MAIN VEHICLE COMPUTER THAT WOULD AFFECT THE PERFORMANCE OF THE VEHICLE. THE CONTACT STATED THAT THE SUN ROOF AND VEHICLE COMPUTER FAILURES HAD BEEN RECURRING ISSUES SINCE OWNING THE VEHICLE. THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS 196,000.
NHTSA ODI #10967157
50,000 miles · Mar 8, 2017
Seat BeltsUnknown Or Other
DRIVER SEATBELT GETS STUCK AND I CAN'T GET OUT. CAR WON'T START. WAIT TEN MINUTES WITH THE KEY IN FIRST POSITION THEN IT STARTS. IT WILL TAKE SOME GIRL LIKE MYSELF STUCK IN A DARK PARKING LOT WITH A CAR THAT DOESN'T START FOR TEN MINUTES.
NHTSA ODI #10959648
Mileage unknown · Feb 27, 2017
Unknown Or Other
THIS COMPLAINT IS CONCERNING THE PASS LOCK SYSTEM ON MY HUMMER H3. MY H3 HAS BEEN NOT STARTING DUE TO THE VEHICLE THINKING IT IS BEING STOLEN. IT HAS BECOME A FREQUENT PROBLEM AND IS REALLY FRUSTRATING. WHEN IT FIRST STARTED HAPPENING IT WAS, MAYBE 6 MONTHS BEFORE IT HAPPENED AGAIN. NOW, IT IS HAPPENING AT LEAST ONCE A WEEK. TH…
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THIS COMPLAINT IS CONCERNING THE PASS LOCK SYSTEM ON MY HUMMER H3. MY H3 HAS BEEN NOT STARTING DUE TO THE VEHICLE THINKING IT IS BEING STOLEN. IT HAS BECOME A FREQUENT PROBLEM AND IS REALLY FRUSTRATING. WHEN IT FIRST STARTED HAPPENING IT WAS, MAYBE 6 MONTHS BEFORE IT HAPPENED AGAIN. NOW, IT IS HAPPENING AT LEAST ONCE A WEEK. THIS MORNING I NEEDED TO BRING MY DAUGHTER TO THE EMERGENCY ROOM FOR AN EXTREMELY HIGH FEVER AND MY VEHICLE WOULD NOT START AGAIN. I HAD TO WAIT ABOUT 10 MINUTES BEFORE I COULD GET MOVING. THIS HAS BECOME THE NORM. TRUCK WON'T START, WAIT 10 MINUTES AND TRY AGAIN; TRUCK STARTS. THIS IS EXTREMELY FRUSTRATING AND REALLY AN INCONVENIENCE.
NHTSA ODI #10957234
Official recalls
4Jul 1, 2015
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.
Consequence & remedy
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.
Apr 30, 2010
GM IS RECALLING CERTAIN MODEL YEAR 2006 THROUGH 2010 HUMMER H3 VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH THE INTEGRAL CLIP-TABS ON THE LOUVER ON THE HOOD MAY FRACTURE, CAUSING THE HOOD LOUVER RATTLE AGAINST THE HOOD AND BECOME LOOSE. IF THIS INDICATOR IS UNNOTICED, ADDITIONAL CLIPS COULD FRACTURE AND THE HOOD LOUVER COULD DETACH FROM THE VEHICLE.
Consequence & remedy
Consequence: IF THE VEHICLE IS BEING DRIVING WHEN THIS OCCURS, IT COULD STRIKE A FOLLOWING VEHICLE AND CAUSE INJURY AND/OR PROPERTY DAMAGE.
Remedy: DEALERS WILL APPLY AN ADHESIVE TO THE HOOD LOUVER TO SECURE IT TO THE HOOD. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 12, 2010. OWNERS MAY CONTACT HUMMER AT 800-732-5493 OR AT THE OWNER CENTER AT WWW.GMOWNERCENTER.COM.
Oct 31, 2006
CERTAIN VEHICLES ORIGINALLY BUILT WITH CLOTH SEATS THAT WERE EQUIPPED WITH AN AUTOMATIC AIR BAG PASSENGER SENSING SYSTEM AND LATER REUPHOLSTERED WITH AFTERMARKET LEATHER SEAT COVER KITS ARE INVOLVED. TESTING HAS INDICATED THAT THE AFTERMARKET LEATHER SEAT COVERS CAN CAUSE THE PASSENGER SENSING SYSTEM TO MALFUNCTION.
Consequence & remedy
Consequence: IF THE PASSENGER SENSING SYSTEM MALFUNCTIONS, THE FRONT AIR BAG ON THE PASSENGER SIDE MAY BE DISABLED WHEN IT SHOULD BE ENABLED, OR ENABLED WHEN IT SHOULD BE DISABLED. IN EITHER CASE, IN THE EVENT OF A CRASH THAT REQUIRES AIR BAG DEPLOYMENT, A FRONT PASSENGER'S LEVEL OF INJURY MAY BE INCREASED.
Remedy: BECAUSE A REPLACEMENT LEATHER SEAT COVER THAT IS COMPATIBLE WITH THE PASSENGER SENSING SYSTEM IS NOT AVAILABLE, GENERAL MOTORS (GM) WILL REPURCHASE THESE VEHICLES IN ACCORDANCE WITH THE TERMS STATED IN GM'S LETTER TO OWNERS. THE RECALL BEGAN ON NOVEMBER 6, 2006. OWNERS SHOULD CONTACT GM AT 1-877-477-1022 TO BEGIN THE PROCESS OF REPURCHASING THEIR VEHICLE.
Dec 7, 2005
CERTAIN TRUCKS AND SPORT UTILITY VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SHIPPED WITH TIRE AND LOADING INFORMATION LABELS LISTING AN INACCCURATE VEHICLE CAPACITY WEIGHT.
Consequence & remedy
Consequence: A MISPRINTED LABEL COULD LEAD TO IMPROPER VEHICLE LOADING SPECIFICATIONS OR TIRE INFLATION WHICH COULD RESULT IN A TIRE FAILURE, INCREASING THE RISK OF A CRASH.
Remedy: OWNERS WILL BE PROVIDED WITH CORRECTED LABELS AND INSTALLATION INSTRUCTIONS. AT THE CUSTOMER'S OPTION, A DEALER CAN INSTALL THE LABEL FOR THEM. THE RECALL BEGAN ON MARCH 31, 2006. OWNERS MAY CONTACT BUICK AT 1-866-608-8080, CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, HUMMER AT 1-800-732-5493, PONTIAC AT 1-800-620-7668, SATURN AT 1-800-972-8876, OR ISUZU AT 1-800-255-6727.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗