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2006 Hummer H3

Owner reports · Recalls · Investigations

More warning signs than most H3 years

Owner complaints for the 2006 Hummer H3 are substantially higher than the model-year median of 91.

About this comparison →

When problems were reported

Mileage at the reported incident

286 reports with mileage · 75 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 96 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 52 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 36 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

10 crash reports27 fire reports7 injury reports

What owners actually said

361 reports
65,934 miles · May 24, 2012
EngineFire

TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT WAS TRAVELING 50 MPH WHEN THE SMELL OF COOLANT EMITTED INSIDE OF THE VEHICLE AND WHITE SMOKE WAS VISIBLE FROM UNDER THE HOOD. THE CHECK ENGINE WARNING LIGHT ILLUMINATED INTERMITTENTLY WITH THE FAILURE. THE CONTACT CONFIRMED THAT THE ENGINE WAS OVER HEATING. THE VEHICLE WAS TAKE…

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TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT WAS TRAVELING 50 MPH WHEN THE SMELL OF COOLANT EMITTED INSIDE OF THE VEHICLE AND WHITE SMOKE WAS VISIBLE FROM UNDER THE HOOD. THE CHECK ENGINE WARNING LIGHT ILLUMINATED INTERMITTENTLY WITH THE FAILURE. THE CONTACT CONFIRMED THAT THE ENGINE WAS OVER HEATING. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHO CONFIRMED THAT THE RADIATOR NEEDED TO BE REPLACED. THE MANUFACTURER WAS CONTACTED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 65,934 AND THE CURRENT MILEAGE WAS 65,936.

NHTSA ODI #10459510

70,000 miles · May 21, 2012
Engine

TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT THE INSTRUMENT PANEL DISPLAYED A WARNING MESSAGE THAT READ 'REDUCED POWER SERVICE STABILIZER SYSTEM TRACKING FAILED' AND THE VEHICLE FAILED TO ACCELERATE BEYOND 40 MPH. THE VEHICLE WAS TAKEN TO THE DEALER AND WAS REPAIRED. THE FAILURE CONTINUED. BOTH THE DEALER AND T…

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TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT THE INSTRUMENT PANEL DISPLAYED A WARNING MESSAGE THAT READ 'REDUCED POWER SERVICE STABILIZER SYSTEM TRACKING FAILED' AND THE VEHICLE FAILED TO ACCELERATE BEYOND 40 MPH. THE VEHICLE WAS TAKEN TO THE DEALER AND WAS REPAIRED. THE FAILURE CONTINUED. BOTH THE DEALER AND THE MANUFACTURER WERE UNABLE TO FURTHER DIAGNOSE THE FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 70,000.

NHTSA ODI #10459145

Mileage unknown · Apr 26, 2012
Electrical System

MARCH 2012 - HUMMER LOCKED UP AND WILL NOT TURN OVER .. TOWED IT TO DEALERSHIP .. THEY REPLACE KEY IGNITION ALL OF APRIL MY HUMMER WILL SHUT DOWN .. 3 TIMES HAD IT JUMPED ... FOUND OUT IT WAS NOT THE BATTERY .. I WAS DRIVING WHEN THE HUMMER LOCKED UP .. IT WAS VERY SCARY ! 68,000 MILES ONLY ! CURRENTLY AT THE DEALERSHIP …

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MARCH 2012 - HUMMER LOCKED UP AND WILL NOT TURN OVER .. TOWED IT TO DEALERSHIP .. THEY REPLACE KEY IGNITION ALL OF APRIL MY HUMMER WILL SHUT DOWN .. 3 TIMES HAD IT JUMPED ... FOUND OUT IT WAS NOT THE BATTERY .. I WAS DRIVING WHEN THE HUMMER LOCKED UP .. IT WAS VERY SCARY ! 68,000 MILES ONLY ! CURRENTLY AT THE DEALERSHIP AGAIN 2 TWICE IN LESS THAN 2 MONTHS. *TR

NHTSA ODI #10456587

Mileage unknown · Apr 24, 2012
Engine And Engine Cooling

ENGINE LIGHT CAME ON DURING EMISSION TESTING, WHICH CAUSED THE VEHICLE TO FAIL. JUST HAD THE THERMOSTAT AND EVAPORATOR VALVE REPLACED THE WEEK BEFORE. THE EMISSIONS DEPARTMENT STATED THAT IT WAS A CODE P0300, MISFIRE IN CYLINDER 1. I TOOK THE VEHICLE FOR DIAGNOSTICS AND AFTER A COIL TEST AND COMPRESSION TEST (FAILED), THEY STATE…

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ENGINE LIGHT CAME ON DURING EMISSION TESTING, WHICH CAUSED THE VEHICLE TO FAIL. JUST HAD THE THERMOSTAT AND EVAPORATOR VALVE REPLACED THE WEEK BEFORE. THE EMISSIONS DEPARTMENT STATED THAT IT WAS A CODE P0300, MISFIRE IN CYLINDER 1. I TOOK THE VEHICLE FOR DIAGNOSTICS AND AFTER A COIL TEST AND COMPRESSION TEST (FAILED), THEY STATED THAT IS WAS A CYLINDER VALVE LEAKAGE. THEY ALSO STATED THAT THERE WAS A BULLETIN OUT ON 2006 H3 FOR THIS ISSUE. WHEN I CONTACTED GM CUSTOMER SERVICE, I WAS TOLD THAT THE VEHICLE'S VIN WAS NOT A PART OF THIS BULLETIN AND THAT THE MILEAGE WAS PAST THE WARRANTY. THE ONLY THING THEY COULD SUGGEST TO ME IS TO TAKE IT TO A GM CERTIFIED REPAIR FACILITY AND I WOULD HAVE TO PAY FOR THE COMPLETE REPAIR MYSELF. *TR

NHTSA ODI #10456313

63,000 miles · Apr 19, 2012
Engine And Engine Cooling

THE CHECK ENGINE LIGHT GOES OFF AND ON INTERMITTENTLY. THE VEHICLE WAS TAKEN TO A MECHANIC WHO PERFORMED A DIAGNOSTIC THAT LOCATED THE FAILURE AT THE ENGINE HEAD CYLINDER. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED AND DENIED ASSISTANCE WITH THE REPAIR BECAUSE THE VEHICLE WARRANTY WAS EXPIRED. THE MECHANIC STA…

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THE CHECK ENGINE LIGHT GOES OFF AND ON INTERMITTENTLY. THE VEHICLE WAS TAKEN TO A MECHANIC WHO PERFORMED A DIAGNOSTIC THAT LOCATED THE FAILURE AT THE ENGINE HEAD CYLINDER. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED AND DENIED ASSISTANCE WITH THE REPAIR BECAUSE THE VEHICLE WARRANTY WAS EXPIRED. THE MECHANIC STATED IT WAS DUE TO AN INFERIOR SOFT METAL USED TO MANUFACTURE THE HEADS WHICH CAUSED A LOSS OF COMBUSTION WHEN THE ENGINE WAS IDLING. THE BLOWBACK AT IDLE WAS WHAT WAS CAUSING THE ENGINE LIGHT TO ILLUMINATE. MECHANIC ALSO STATED THIS PROBLEM WAS A RECURRING PROBLEM IN THIS 5CYL ENGINE WHICH IS THE SAME ENGINE THAT IS IN THE COLORADO PICKUPS AND IS COVERED UNDER A GM RECALL IN THE PICKUPS BUT NOT THE HUMMER. THE MECHANIC STATED THAT THE ISSUE WILL ONLY GET WORST. PLEASE HELP AS I WAS GIVEN A PRICE TO REPAIR OF APPROX. $4000 IF I WAS GOING TO PAY FOR THE REPAIRS MYSELF AT THE DEALERSHIP. *JS

NHTSA ODI #10455824

68,454 miles · Apr 6, 2012
Electrical System

RIGHT REAR TIRE TPS GIVES FALSE AND INTERMITTEN READINGS, CAN NOT TURN RADIO/CD PLAYER COMPLETELY OFF, DRAINS BATTERY. DEALER SAYS SYSTEM IS DEFECTIVE AND NEEDS TO BE RELACED AT A COST OF $1000.00. *TR

NHTSA ODI #10454350

63,864 miles · Mar 22, 2012
Air BagsCrashInjury

TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT WHILE STOPPED AT A TRAFFIC STOP, THE VEHICLE WAS REAR-ENDED AND CRASHED INTO A POLE. THE CONTACT SUSTAINED INJURIES TO THE NECK, BACK AND HIPS. THE AIR BAGS DID NOT DEPLOY. THE CONTACT DID NOT CALL THE MANUFACTURER. THE FAILURE MILEAGE WAS 63,864.

NHTSA ODI #10452642

Mileage unknown · Mar 19, 2012
Engine And Engine Cooling

DEFECTIVE CYLINDER HEAD FROM GMC - THEY KNOW ABOUT THIS PROBLEM BUT WON'T ASSIST WITH COST TO REPAIR, MY H3 AT 50,000 MILES NOW HAS CRACKED CYLINDER HEAD FOR NO APPARENT REASON AND OF COURSE SINCE MY WARRANTY IS NO LONGER IN EFFECT I HAVE NO RECOURSE. IS THERE NOTHING THAT CAN BE DONE ABOUT THIS? *JS

NHTSA ODI #10452318

96,000 miles · Jan 19, 2012
Electrical SystemUnknown Or Other

VERY VERY COMMON PROBLEM WITH GM PRODUCTS AND EXCESSIVE PROBLEM WITH H3 HEATERS. YOU SMELL SOMETHING BURNING IN YOUR VEHICLE THEN YOUR HEATER FAN STARTS FLUCTUATING AND ULTIMATELY STOPS. THERE ARE REPORTS THAT THE DEALERSHIP WILL FIX THE BURNT PLUG, BUT IT WON'T FIX THE PROBLEM, IT'LL BURN UP AGAIN. NOW I HAVE NO HEATER IN JA…

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VERY VERY COMMON PROBLEM WITH GM PRODUCTS AND EXCESSIVE PROBLEM WITH H3 HEATERS. YOU SMELL SOMETHING BURNING IN YOUR VEHICLE THEN YOUR HEATER FAN STARTS FLUCTUATING AND ULTIMATELY STOPS. THERE ARE REPORTS THAT THE DEALERSHIP WILL FIX THE BURNT PLUG, BUT IT WON'T FIX THE PROBLEM, IT'LL BURN UP AGAIN. NOW I HAVE NO HEATER IN JANUARY IN OHIO THIS SHOULD BE A RECALL !!!!!!!!! *TT

NHTSA ODI #10444508

160,000 miles · Jan 3, 2012
Service Brakes, Hydraulic

TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT WHILE BRAKING FOR A TRAFFIC STOP, THE VEHICLE HESITATED TO STOP WITH THE ILLUMINATION OF THE TRACTION WARNING LAMP. THE VEHICLE WAS NOT TAKEN TO THE DEALER AND THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND THE CURRE…

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TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT WHILE BRAKING FOR A TRAFFIC STOP, THE VEHICLE HESITATED TO STOP WITH THE ILLUMINATION OF THE TRACTION WARNING LAMP. THE VEHICLE WAS NOT TAKEN TO THE DEALER AND THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND THE CURRENT MILEAGE WAS 160,000.

NHTSA ODI #10442289

Official recalls

4

15V421000 · 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.

06V417000 · Air Bags:frontal

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.

05V552000 · Equipment:other:labels

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 ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.