AFTER BRINGING MY HUMMER H3 TO THE DEALER FOR A/C HEATER WIRE HARNESS AND RESISTOR, THE HVAC TEMP DIAL IS NOT WORKING PROPERLY. ON FULL COLD IT WORKS FINE. MOVE IT 1 CLICK TOWARD WARM IT GOES FULL WARM.. IT WAS WORKING FINE BEFORE I BROUGHT TO THE VEHICLE TO THE DEALER
2009 Hummer H3
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2009 Hummer H3 do not stand out strongly from the model-year median of 91.
About this comparison →How this year compares
Owner complaints by model year
Compare all H3 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
50 reports with mileage · 19 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 34 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Air Bags. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
34 reportsTHE SECURITY SYSTEM IS ACTIVATED AND THE TRUCK WILL NOT START THE ENGINE! I MUST WAIT 10 MINUTES TO START THE VEHICLE!
TL* THE CONTACT OWNS A 2009 HUMMER H3. WHEN THE KEY WAS PLACED IN THE IGNITION, THE VEHICLE MISREAD THE KEY AND DISABLED THE FUEL LINE. THE VEHICLE BECAME TEMPORARILY INOPERABLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE ANTI THEFT PASS LOCK SYSTEM FAILED AND WOULD NEED TO BE REPAIRED. THE VEHICLE WAS R…
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TL* THE CONTACT OWNS A 2009 HUMMER H3. WHEN THE KEY WAS PLACED IN THE IGNITION, THE VEHICLE MISREAD THE KEY AND DISABLED THE FUEL LINE. THE VEHICLE BECAME TEMPORARILY INOPERABLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE ANTI THEFT PASS LOCK SYSTEM FAILED AND WOULD NEED TO BE REPAIRED. THE VEHICLE WAS REPAIRED TWICE FOR THE ISSUE, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.
TL* THE CONTACT OWNS A 2009 HUMMER H3. WHILE ATTEMPTING TO START THE VEHICLE, IT FAILED TO START INITIALLY. THE VEHICLE FELT AS IF IT HAD A DELAYED START. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE BATTERY FAILED AND WOULD NEED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE …
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TL* THE CONTACT OWNS A 2009 HUMMER H3. WHILE ATTEMPTING TO START THE VEHICLE, IT FAILED TO START INITIALLY. THE VEHICLE FELT AS IF IT HAD A DELAYED START. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE BATTERY FAILED AND WOULD NEED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN BACK TO THE DEALER ON SEVERAL OCCASIONS WHERE IT WAS REPEATEDLY DIAGNOSED THAT THE BATTERY WAS THE REASON FOR THE FAILURE. THE CONTACT STATED THAT THE BATTERY WAS CHANGED A TOTAL OF THREE TIMES IN FOUR YEARS, BUT THE FAILURE CONTINUED. THE DEALER MENTIONED A MANUFACTURER'S RECALL FOR THE WIRING FOR THE CONTACT'S YEAR, MAKE, AND MODEL, BUT INSISTED THAT THERE WERE NO OTHER RECALLS. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE NHTSA CAMPAIGN NUMBER WAS UNKNOWN. THE FAILURE MILEAGE WAS 2,000.
EVERY SO OFTEN THE PASSLOCK SECURITY SYSTEM MALFUNCTIONS AND MY HUMMER WON'T START. I HAVE TO WAIT 10 MINUTES BEFORE I CAN START THE VEHICLE AGAIN. IT FAILS WITHOUT WARNING. ITS BEEN HAPPENING MORE AND MORE OFTEN. THERE WAS ONLY 55,000 MILES ON THE VEHICLE WHEN I NOTICED IT STARTING TO ACT UP. I SLICED MY FINGERS OPEN ON A JO…
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EVERY SO OFTEN THE PASSLOCK SECURITY SYSTEM MALFUNCTIONS AND MY HUMMER WON'T START. I HAVE TO WAIT 10 MINUTES BEFORE I CAN START THE VEHICLE AGAIN. IT FAILS WITHOUT WARNING. ITS BEEN HAPPENING MORE AND MORE OFTEN. THERE WAS ONLY 55,000 MILES ON THE VEHICLE WHEN I NOTICED IT STARTING TO ACT UP. I SLICED MY FINGERS OPEN ON A JOB AND HAD TO DRIVE MYSELF TO THE EMERGENCY ROOM BUT MY HUMMER WOULDN'T START BECAUSE OF THE IGNITION SECURITY FAILURE. I LOST A LOT OF BLOOD IN MY HAND SITTING WAITING THE 10 MINUTES. THE DOCTOR SAID I MIGHT LOSE THE TIPS OF MY FINGERS BECAUSE IT TOOK SO LONG TO GET THERE. I'M SURE OTHER PEOPLE HAD WORSE SITUATIONS, BUT I SEEN HUNDREDS OF PEOPLE WITH THE SAME VEHICLE HAVING THE SAME ISSUE. IT A DANGEROUS ISSUE AND SHOULD BE RECALLED BEFORE A LIFE IS LOST IF IT HASN'T ALREADY.
AT ANY GIVEN TIME THE ENGINE WILL NOT CRANK. I HAVE TO WAIT EXACTLY 10 MINUTES, THEN IT WILL START AS IF NOTHING WAS WRONG. IT HAPPENS HOT OR COLD. IT HAS BEEN ABOUT 3 YEARS NOW AND STARTING TO HAPPEN MORE AND MORE OFTEN. DEALER CAN NOT FIND ANYTHING BECAUSE THE PROBLEM IS TO INTERMITTENT. I BELIEVE IT IS THE SECURITY SYSTEM, B…
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AT ANY GIVEN TIME THE ENGINE WILL NOT CRANK. I HAVE TO WAIT EXACTLY 10 MINUTES, THEN IT WILL START AS IF NOTHING WAS WRONG. IT HAPPENS HOT OR COLD. IT HAS BEEN ABOUT 3 YEARS NOW AND STARTING TO HAPPEN MORE AND MORE OFTEN. DEALER CAN NOT FIND ANYTHING BECAUSE THE PROBLEM IS TO INTERMITTENT. I BELIEVE IT IS THE SECURITY SYSTEM, BUT THAT IS JUST MY THOUGHTS.
I REC'D A SAFETY RECALL NOTICE 8/15 FOR 2009 H3 RECALL# 15042 OR 15V421 (2 DIFFERENT # IN LETTER) FROM HUMMER . THE CONNECTOR MODULE THAT CONTROLS BLOWER MOTOR SPEED MAY OVERHEAT." IF THIS CONDITION OCCURS, THERE IS THE RISK THAT THE HEAT GENERATED COULD MELT THE PLASTIC SURROUNDING THE CONNECTOR MODULE, WHICH INCREASES THE RIS…
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I REC'D A SAFETY RECALL NOTICE 8/15 FOR 2009 H3 RECALL# 15042 OR 15V421 (2 DIFFERENT # IN LETTER) FROM HUMMER . THE CONNECTOR MODULE THAT CONTROLS BLOWER MOTOR SPEED MAY OVERHEAT." IF THIS CONDITION OCCURS, THERE IS THE RISK THAT THE HEAT GENERATED COULD MELT THE PLASTIC SURROUNDING THE CONNECTOR MODULE, WHICH INCREASES THE RISK OF A FIRE" I CALLED DEALER-AND TOLD GM HAS NO "FIX" FOR THIS ISSUES (I CALL EVERY FEW WEEKS) I CALLED GM DIRECT THAT SAID THEY DON'T HAVE THE PARTS YET TO FIX IT. I WAS ADVISED TO DRIVE AROUND WITH A FIRE EXTINGUISHER IN VEHICLE AND NOT USE THE FAN AND LEAVE THE CAR IF I SMELL SMOKE . NOTHING HAS HAPPENED YET AND I AM NOT USING FAN BUT I WOULD LIKE THIS CONDITION FIXED BEFORE A FIRE OCCURS. IT IS VERY UNSETTLING TO DRIVE THIS WAY. HUMMER/GM
VEHICLE IS PARKED AND THIS ISSUE HAPPENS WETHER OR NOT THE VEHICLE HAS BE USED, JUST AFTER TURNING IT OFF OR WHEN ITS BEEN SITTING OVERNIGHT. WHEN I TURN THE IGNITION/KEY THE VEHICLE WILL NOT START EACH TIME IT MAKES NO INDICATING/COMMON NOISE WHEN TRYING TO START IT. THE BATTERY, ALTERNATOR AND STARTER CHECK OUT AND ARE FINE. O…
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VEHICLE IS PARKED AND THIS ISSUE HAPPENS WETHER OR NOT THE VEHICLE HAS BE USED, JUST AFTER TURNING IT OFF OR WHEN ITS BEEN SITTING OVERNIGHT. WHEN I TURN THE IGNITION/KEY THE VEHICLE WILL NOT START EACH TIME IT MAKES NO INDICATING/COMMON NOISE WHEN TRYING TO START IT. THE BATTERY, ALTERNATOR AND STARTER CHECK OUT AND ARE FINE. OTHER GM PRODUCTS HAVE THIS RECALL HOWEVER, THIS ONE DOES NOT.(?)
MY 2009 GM HUMMER WITH 39000 MILES HAS AN ISSUE WITH THE IGNITION/ DISABLING SYSTEM. THE VEHICLE CRANKS SOME TIME AND SOME TIMES IT DOESN'T DISPLAYING THE LOCKED SECURITY SYMBOL ON THE DASH. IT HAS COME ON WHILE DRIVING AND I'M CONCERNED IT WILL SHUT THE VEHICLE OFF. I'M ABSOLUTELY CONCERNED FOR ME AND MY FAMILIES SAFETY. I …
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MY 2009 GM HUMMER WITH 39000 MILES HAS AN ISSUE WITH THE IGNITION/ DISABLING SYSTEM. THE VEHICLE CRANKS SOME TIME AND SOME TIMES IT DOESN'T DISPLAYING THE LOCKED SECURITY SYMBOL ON THE DASH. IT HAS COME ON WHILE DRIVING AND I'M CONCERNED IT WILL SHUT THE VEHICLE OFF. I'M ABSOLUTELY CONCERNED FOR ME AND MY FAMILIES SAFETY. I HAVE QUIT DRIVING THE VEHICLE AS MUCH AS POSSIBLE.
MY 2009 HUMMER H3 ON OCCASION WILL NOT START. IT CAN HAPPEN ANY TIME, ANY WHERE, UNDER ANY WEATHER CONDITIONS. WHEN THIS HAPPENS THE CAR RADIO, INTERIOR LIGHTS, ETC. ARE HOWEVER STILL WORKING. I THEN HAVE TO WAIT APPROX. 10 TO 15 MINUTES, AND THE VEHICLE STARTS UP LIKE NOTHING HAPPENED.. FROM DOING SOME ON-LINE RESEARCH I FOU…
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MY 2009 HUMMER H3 ON OCCASION WILL NOT START. IT CAN HAPPEN ANY TIME, ANY WHERE, UNDER ANY WEATHER CONDITIONS. WHEN THIS HAPPENS THE CAR RADIO, INTERIOR LIGHTS, ETC. ARE HOWEVER STILL WORKING. I THEN HAVE TO WAIT APPROX. 10 TO 15 MINUTES, AND THE VEHICLE STARTS UP LIKE NOTHING HAPPENED.. FROM DOING SOME ON-LINE RESEARCH I FOUND OUT THAT MANY, MANY, HUMMER H3 OWNERS FROM YEARS 2002 TO 2009 HAVE THIS SAME DISTURBING ISSUE. I HAD THIS PROBLEM FROM DAY ONE WHEN I BOUGHT THIS VEHICLE. HOWEVER NOW IT IS BECOMING MORE FREQUENT.. THIS OCCURRED THREE TIMES IN THE LAST WEEK. SOME ATTRIBUTE THIS TO A FAULTY SECURITY PASS LOCK SYSTEM. I FEEL THIS IS WIDESPREAD DANGEROUS ISSUE AND THERE SHOULD BE AN IMMEDIATE RECALL ON ALL HUMMER H3'S THAT HAVE THIS PROBLEM.
Official recalls
215V421000 · Visibility:defroster/defogger/hvac System:fan/motor
Jul 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.
10V179000 · Structure:body:hood
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.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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