AutoDefect IQ

2006 Hummer H2 problems, complaints & recalls

Most-reported problem areas: Suspension:rear (2) · Steering (2) · Service Brakes (2)

🧭 Reliability snapshot

97 /100
✓ Typical or better for this model

Compared against other Hummer H2 model years — complaint volume vs the model's median year, recalls and severity. How we score →

🛣️ Complaints by mileage

<25k miles: 6 complaints 6 <25k 25–50k miles: 1 complaints 25–50k 50–75k miles: 5 complaints 50–75k 75–100k miles: 1 complaints 75–100k 100–125k miles: 4 complaints 100–125k 125–150k miles: 1 complaints 125–150k 150k+ miles: 2 complaints 150k+

20 NHTSA complaints that reported an odometer reading.

22
Complaints
1
Recalls
747
Service bulletins
3
Crashes reported
1
Fires reported
0
Deaths

Safety recalls (1)

Electrical System 2010-06-04 · campaign 10V240000 · 1,365,070 vehicles

Defect: GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, YUKON XL; SATURN OUTLOOK; AND MODEL YEAR 2009 CHEVROLET TRAVERSE VEHICLES EQUIPPED WITH A HEATED WASHER FLUID SYSTEM (HWFS). A RECALL WAS IMPLEMENTED IN 2008 TO ADD A FUSE TO THE CONTROL CIRCUIT HARNESS TO ADDRESS THE P

Risk: IT IS POSSIBLE FOR THE HEATED WASHER MODULE TO IGNITE AND A FIRE MAY OCCUR.

Fix: DEALERS WILL PERMANENTLY DISABLE AND REMOVE THE HEATED WASHER FLUID MODULE. AN UPDATED PAGE FOR THE OWNER MANUAL WILL BE PROVIDED AND INSERTED IN THE OWNER MANUAL TO DOCUMENT THAT THE FEATURE HAS BEEN PERMANENTLY DISABLED AND REMOVED FROM THE VEHICLE. THE SAFETY RECALL BEGAN ON JUNE 11, 2010. OWNERS MAY CONTACT BUICK AT 1-866-608-8080, CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, SATURN AT 1-800-972-8876, GMC AT 1-866-996-9463 AND HUMMER AT 1-800-732-5493 OR AT THE OWNER CENTER AT

Service bulletins (747)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Unknown Or Other 2025-07-18 · PIP5601C · Service Bulletin/Repair Instructions

this pi communicates the requirement to provide a pico file to receive diagnostic assistance from tac.

Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions

this preliminary information communication provides information to the technician about the use of j-35616-64b and mini 50 terminal test probe, replacement terminals, and terminated leads.

Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions

this preliminary information communication provides information to the technician about the use of j-35616-64b and mini 50 terminal test probe, replacement terminals, and terminated leads.

Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions

this preliminary information communication provides information to the technician about the use of j-35616-64b and mini 50 terminal test probe, replacement terminals, and terminated leads.

Unknown Or Other 2025-02-20 · PIP5358D · Service Bulletin/Repair Instructions

this preliminary information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. technician should get record a sound clip or take a video of the noise for assessment by engineering. technician will need to

Engine 2024-12-18 · 03-06-01-023I · Service Bulletin/Repair Instructions

this service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

Showing the 6 most recent of 747 bulletins. Search all of them free at nhtsa.gov.

What owners report

2025-06-02 · Visibility:defroster/Defogger/Hvac System:fan/Motor:resistor/Speed Control · 190,000 mi

“the contact owns a 2006 hummer h2. the contact stated while driving and activating the blower motor, the blower motor was intermittently inoperable. the contact stated that an abnormal electrical burning odor was coming from the vehicle. the contact stated that upon activation, the a/c and the heating systems were intermittently inoperable. the veh…”

2024-05-21 · Electrical System · 196,000 mi

“the contact owns a 2006 hummer h2. the contact stated while driving at undisclosed speeds with the a/c activated, the contact became aware of an abnormal burning electrical odor. no warning lights were illuminated. the vehicle was taken to an independent mechanic where it was diagnosed and determined that the blower motor resistor needed to be repl…”

2019-07-22 · Wheels · 130,000 mi

“the other day i took a ride in my truck and upon driving approximately two blocks from my home the steering control of the car totally failed. imagine driving your car and at some point, you lose the capability of controlling your cars direction while holding your steering wheel. one can only imagine if i was going 65 miles an hour and driving o…”

2019-02-19 · Seat Belts

“salesman mr lawrence said that they could not sell a vehicle with seat belts that did not work the drivers side rear was not repaired as stated. i took delivery of the used vehicle 2-18-19 at 0800 approximately…”

2018-03-15 · Unknown Or Other · 115,000 mi

“exhaust leaking because manifold bolts broken , this is my second hummer , my lawyer has a hummer also and i belong to hummer group here in florida…”

2018-03-15 · Unknown Or Other · 115,000 mi

“exhaust bolts broken , leaking exhaust fumes into vehicle , engine fire ???? city driving…”

2016-08-07 · Seats · 120,000 mi · 🔥 fire

“vehicle had been driven approximately 2 miles from start time, was stationary and unoccupied for approximately 10-25 minutes. vehicle interior caught fire at the base of the top sitting area of the rear seat, flames from fire melted the over head interior light and ignited a fire on the head liner, which caused the fire to spread under neath the h…”

2015-11-04 · Service Brakes · 111,000 mi

“tl* the contact owns a 2006 hummer h2. the contact stated that the brake lines were corroded, which caused them to rupture and leak. the vehicle was not repaired. the manufacturer was not made aware of the issue. the failure mileage was 111,000. …”

2015-10-27 · Service Brakes · 60,000 mi

“tl* the contact owns a 2006 hummer h2. the contact stated that the brake pedal was applied more than once and it traveled to the floorboard. while driving at 60 mph, the front passenger side brake line was rusted and fractured. as a result, the vehicle was difficult to maneuver. the vehicle was cautiously driven to an independent mechanic who repla…”

2014-04-03 · Air Bags · 40,000 mi · 💥 crash

“tl* the contact owns a 2006 hummer h2. the contact stated that while driving at an unknown speed, the contact crashed into a tree and the vehicle was destroyed. the air bags failed to deploy. the contact sustained injuries to the left arm and chest. a police report was filed at the scene. the vehicle was not inspected to determine the cause of the …”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Hummer H2 years