2006 Hummer H2 Sut problems, complaints & recalls
Most-reported problem areas: Visibility/Wiper (1) · Fuel System, Gasoline (1) · Engine And Engine Cooling:exhaust System:manifold/Header/Muffler/Tail Pipe (1)
🧭 Reliability snapshot
Compared against other Hummer H2 Sut model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (116)
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 2025-03-28 · 23-NA-001 · Service Bulletin/Repair Instructions
this service bulletin provides information for dealers/technicians on onstar module 2g sunset information.
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 116 bulletins. Search all of them free at nhtsa.gov.
What owners report
2013-10-29 · Fuel System, Gasoline · 65,000 mi“check engine light came on and wouldn't go out. took it to the garage and they pulled up the code po442, evap leak. they did a smoke test and found out the fuel pump unit was all rusted out and also the straps holding the fuel tank in was all rusted out. one of the straps was completely broken off and only one was holding the tank but it was all ru…”
2012-10-30 · Visibility/Wiper“at first the washers just kept spraying and wouldn't stop. i had to take out the fuse to get it to stop. i recently put the fuse back in and now it won't work. the washers will just start spraying out of the blue and this is very dangerous if you are driving down the road and you can't get it to stop. it decreases your visibility. i have read that …”
2011-07-18 · Engine And Engine Cooling:exhaust System:manifold/Header/Muffler/Tail Pipe · 26,500 mi“2006 hummer h2 sut 6.0 liter engine exhaust manifold bolts broken off. *kb…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.