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2005 Hummer H2: common problems

Owners of the 2005 Hummer H2 filed 79 complaints with NHTSA, most often about electrical system and visibility. Details by component below, with sources.

Key figures

Owner complaints
79
involving a crash
3

What fails most often

87654321
  1. 1 Electrical system 34% of all complaints
  2. 2 Visibility 24% of all complaints
  3. 3 Air bags 15% of all complaints
  4. 4 Service brakes 14% of all complaints
  5. 5 Steering 8% of all complaints
  6. 6 Engine 5% of all complaints
  7. 7 Powertrain 5% of all complaints
  8. 8 Tires 4% 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 79 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)
Electrical system2700
Visibility1900
Air bags1210
Service brakes1100
Steering610
Engine400
Powertrain400
Tires300
Seats200
Structure200
Wheels210
Suspension100
Vehicle speed control100
Other300

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.

Comparison

By complaint count this model year ranks 4,120 of 36,656 model years in the NHTSA data (top 11% most complained about).

On average one model year of the H2 has 40 complaints (8 years in the data). This year has 79, above average.

What to check before buying

Other years of this model

Questions and answers

What are the most common problems with the 2005 Hummer H2?

Owner complaints to NHTSA most often mention: electrical system, visibility, air bags. Total complaints: 79. The most frequent symptoms in complaint texts: steering or power steering problems (8%), knocking, grinding or other noise (6%), airbag warning light (5%).

How many service bulletins (TSB) were issued for the 2005 Hummer H2?

NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.

Should I buy a 2005 Hummer H2 from a US auction?

Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.

Other 2005 models

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.