2005 Hummer H2 problems, complaints & recalls
Most-reported problem areas: Electrical System (12) · Air Bags (8) · Service Brakes (6)
🧭 Reliability snapshot
Compared against other Hummer H2 model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
66 NHTSA complaints that reported an odometer reading.
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (734)
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 734 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-03-25 · Steering · 140,000 mi“the contact owns a 2005 hummer h2. the contact stated that while the vehicle was parked, fluid started to leak from the steering wheel. the vehicle was not diagnosed or repaired. the manufacturer was not notified of the failure. the approximate failure mileage was 140,000.…”
2025-08-08 · Tires“the contact owns a 2005 hummer h2 equipped with cooper tires, tire line: discoverer, tire size: 35x13.50r20lt, dot number: 1v1261b4v1724. the contact stated that while the vehicle was being serviced and on a lift, the mechanic became aware that all four tires were split in the middle of each tire. the vehicle was taken to a tire retailer where the …”
2025-07-29 · Power Train · 111,400 mi“the contact owns a 2005 hummer h2. the contact stated that while parking in the mountains, the vehicle was in the park position, and it unexpectedly rolled and stopped at a boulder. there were no warning lights illuminated. the door hit the driver and knocked him to the ground, and he sustained an injury to his head, but medical attention was not p…”
2023-05-10 · Service Brakes, Hydraulic · 70,000 mi“the contact owns a 2005 hummer h2. the contact stated that while driving at an undisclosed speed, the brake pedal was depressed, and the brakes made a whistling sound. the contact, an independent mechanic, diagnosed that the brake booster needed to be replaced. the vehicle was not repaired. the manufacturer was made aware of the failure and confirm…”
2021-05-04 · Power Train · 41,280 mi“while traveling on the main roads the speedometer intermittently malfunctions then drops to zero, whereas i'm literally unable to determine my speed this seems to occur when the engine warms up and i been driving for better than a half hour. …”
2020-11-09 · Steering · 240,000 mi“tl* the contact owns a 2005 hummer h2. the contact stated that while driving the vehicle, the power steering failed, causing the steering wheel to become very difficult to turn in either direction. additionally, the power steering fluid leaked unto the hydro-boost braking system, causing the brakes to malfunction and become spongy, extending the br…”
2020-08-31 · Tires · 62,000 mi“toyo tires | part number: toy360390 coming apart at the seams…”
2020-03-04 · Visibility/Wiper · 160,000 mi“the computer in the h2 hummer malfunction. wipers will not turn off. 4 wheel drive will not engage. engine light comes on. everything the computer controls is failing.…”
2019-12-05 · Unknown Or Other · 99,000 mi“check engine light keeps coming on and light blinks than stays on until i take it in for service. the shop can't figure out why it is doing this had it shop about 7-8 times for service. also code states can cause a possible fire…”
2018-07-30 · Air Bags · 83,550 mi“tl* the contact owns a 2005 hummer h2. the contact stated that the air bag service warning indicator remained illuminated while driving, which was a safety concern. the vehicle was taken to a dealer (haley buick gmc, 9831 midlothian turnpike, richmond, va 23236, (804) 320-9054) where it was diagnosed that the sensing diagnostic module for the front…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.