Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.
Passlock anti-theft system prevents engine startELECTRICAL SYSTEM33 complaints2015-08 → 2026-07hummer-h3-2006-passlock-no-start
11679484 I was trying to get away from a stranger that was following me that was threatening and scary and when I got in the my Hummer h3 it wouldn't start its the ANTI THEFT that's thinking the car is being stolen this is happened several times of the car not starting
10892155 MY VEHICLE REPEATEDLY LEAVES ME STRANDED, DUE TO FAULTY OPERATIONS OF THE GM PASSLOCK SYSTEM. PERIODICALLY, THE VEHICLE, DESPITE BEING CRANKED WITH A VALID KEY, WILL TURN OVER AND THEN DIE, BECAUSE THE ANTI-THEFT SYSTEM HAS DISABLED THE FUEL INJECTORS
10746867 GM HAS A SECURITY SYSTEM CALLED PASSLOCK THAT OVER TIME SEEMS TO FAIL AND TRIPS A "FAILURE" AND FLASHES A KEY SYMBOL ON THE DASH AND DISABLES STARTING YOUR VEHICLE UNTIL IT RESETS 10 MINUTES LATER
Cylinder head and valve seat engine misfireENGINE24 complaints2013-08 → 2024-08hummer-h3-2006-cylinder-head-misfire
10563185 OWNED THE CAR SINCE 2006 WITH NO PROBLEMS--REGULARLY MAINTAINED, 125,000 MILES. MY WIFE TOOK IT TO THE SHOP WHERE SHE WAS TOLD THE ENGINE HAD "LOW COMPRESSION."
11395103 P0305 CEL CODE CAME ON AND TOOK IT TO A MECHANIC. THEY DIAGNOSED THE ISSUE AND DID A COMPRESSION TEST WHICH PRODUCED RESULTS OF CYLINDER 5 HAVING 70 PSI AND THE OTHER CYLINDERS WERE NORMAL. DETERMINE THAT THE VALVES SEATS ARE BAD AND IT IS A COMMON ISSUE ON THE HUMMER H3
10583674 LEARNED THAT OUR VEHICLE WAS KNOWN TO GM IN 2008 THAT THEY HAD A DESIGN DEFECT THAT CAUSED PISTONS TO FAIL. THE CHECK ENGINE LIGHT CAME ON, WE WENT TO GM DEALERSHIP, CALLED THEIR CORPORATE OFFICES AFTER LEARNING THE KNEW OF THE PISTON DEFECT SINCE AT LEAST 2008
Sunroof drain leak into cabin and electricalUNKNOWN OR OTHER9 complaints2015-06 → 2024-08hummer-h3-2006-sunroof-leak
10894155 WHILE DRIVING, WATER POURS IN FROM THE SUNROOF WHILE RAINING, TO THE POINT MY HEAD, SHIRT AND PANTS ARE COMPLETELY DRENCHED. WHILE DRIVING THE WATER IS COMING DOWN ATOP MY HEAD COMING DOWN MY FACE CREATING AN EXTREMELY HAZARDOUS SITUATION
11157201 SUNROOF DRAINS LEAKED AND SATURATED THE CARPET. REMOVED THE CARPET AND FOUND SEATBELT ANCHORS VERY CORRODED. (SEE PHOTO) THIS CONDITION APPEARS TO BE FROM WATER COLLECTING IN THE ANCHOR ATTACHMENT AREA
11327547 MY SUNROOF HAS BEEN LEAKING, ON THE PASSENGER SIDE IT CHIMES OUT BEHIND & BELOW THE GLOVE BOX. ON THE DRIVER'S SIDE IT LEAKS DIRECTLY FROM THE SUNROOF ONTO THE DRIVER'S SEAT, AND BEHIND THE EMERGENCY BRAKE. BOTH SIDES SOAK THE FLOORBOARDS FRONT & BACK
11543150 The contact owns a 2006 Hummer H3. The contact stated while driving 75 MPH, the hood louver detached from the vehicle and cracked the front windshield. The contact stated that the crack obstructed his vision while driving
11102800 TL* THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING 60 MPH, THE LOUVER IN THE CENTER OF THE HOOD SHATTERED INTO PIECES, STRIKING THE WINDSHIELD AND THE TOP OF THE VEHICLE. THE CONTACT WAS ABLE TO MANEUVER TO THE SIDE OF THE ROAD
10763564 TL* THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING DOWN A HILL AT 60 MPH, A PLASTIC PARTICLE FROM THE HOOD FRACTURED AND STRUCK THE WINDSHIELD. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE
Blower motor resistor/HVAC harness fire riskVISIBILITY/WIPER52 complaints2013-08 → 2025-11hummer-h3-2006-blower-resistor-fire
11698835 The blower resistor and harness needs replaced it looks like it caught fire or default
10559750 I LEFT MY HOUSE TO PICKUP MY STEPSON FROM PRACTICE. WHILE DRIVING TO THE SCHOOL I BEGAN TO SMELL AN ODOR OF MELTING PLASTIC, PULLING INTO MY STEPSON'S SCHOOL, I BEGAN TO SMELL AND SEE SMOKE
10818571 I HAVE REPLACED THE BLOWER MOTOR RESISTOR AND WIRING HARNESS MORE THAN 3 TIMES. GM HAS KNOWN OF THIS ISSUE SINCE 2009 AND HAS NOT CORRECTED IT. THEY HAVE NO WAY OF KEEPING MY H3 FROM RANDOMLY CATCHING FIRE AND REFUSE TO EXPLORE ANY OPTION OTHER THAN REPLACING
Frame rust and leaf spring fractureSUSPENSION25 complaints2014-03 → 2026-01hummer-h3-2006-frame-leaf-spring
11632836 Was driving this vehicle about 45 mph and began to shake violently. Was able to get it slowed down and back under control. Happened two more times on my drive home and took it to an auto repair shop today and found the frame is broken on both sides in front of rear leaf springs
10904267 CATASTROPHIC FAILURE OF LEAFSPRING/REAR SUSPENSION. TURNING OUT ONTO ROAD AND HEARD A LOUD SNAP, STEERING WENT CRAZY, ALMOST LOST CONTROL OF CAR. SAW SIMILAR INCIDENTS HAPPENING ALL OVER THE WEB
11530020 Complete rust through of frame of my 2006 HUMMER H3
Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.
Wrench.Pro (2026). 2006 HUMMER H3 vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2006/hummer/h3
@misc{wrenchpro_2006_hummer_h3_2026,
author = {Wrench.Pro},
title = {Wrench.Pro vehicle data: 2006 HUMMER H3},
year = {2026},
howpublished = {\url{https://www.wrench.pro/data/vehicles/2006/hummer/h3}},
note = {Derived from NHTSA public records. CC BY 4.0.}
}
