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Hummer H3 SUT: problems, complaints, bulletins

Summary for the Hummer H3 SUT across 1 model years: 11 owner complaints and 0 NHTSA service bulletins, plus repair videos. Pick a year for details.

Model years

YearOwner complaintsinvolving a crashTechnical service bulletins (TSB)YouTube repair videos
200911000

What fails most often

54321
  1. 1 Air bags 45% of all complaints
  2. 2 Electrical system 36% of all complaints
  3. 3 Child seat 9% of all complaints
  4. 4 Engine 9% of all complaints
  5. 5 Visibility 9% of all complaints
Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Symptoms owners describe

How many of the 11 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

Components owners complain about

ComponentOwner complaintsinvolving a crashTechnical service bulletins (TSB)
Air bags500
Electrical system400
Child seat100
Engine100
Visibility100
Other100

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

What to check before buying

Other models of this make

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.