MYRModel Year Report

2004 Hummer H2

○ Not enough data
2004 Hummer H2
RENDERED 2026-08-02T13:01:46.301Z

Not enough comparison years on file yet for a fair verdict.

This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.

How is this computed?

COMPLAINTS PER YEAR

Complaints per year, Hummer H2 Bar chart of distinct NHTSA complaints filed per model year, 2004 highlighted. 2002: 2 complaints 2002 2003: 141 complaints 2003 2004: 59 complaints 2004 2005: 79 complaints 2005 2006: 22 complaints 2006 2007: 11 complaints 2007 2008: 7 complaints 2008 2009: 2 complaints 2009
2004: 59 complaints
View as data table
YearComplaints
20022
2003141
200459
200579
200622
200711
20087
20092

KNOWN PROBLEM AREAS

ELECTRICAL SYSTEM 17%

17% of complaints: electrical system — 10 distinct reports on file.

FIRE
Show complaint excerpts

AS I WAS DRIVING ON I 5 IN OREGON I EXPERIENCED A COMPLETE FAILURE OF THE ELECTRICAL SYSTEM AND BRAKE SYSTEMS. THE VEHICLE WAS ON CRUISE CONTROL AND WHEN I DISENGAGED IT ALL OF THE SAFETY WARNING LIGHT APPEARED ON THE DASHBOARD.

NHTSA ODI report, 20170912

SERVICE BRAKES 14%

14% of complaints: service brakes — 8 distinct reports on file.

FIRE
Show complaint excerpts

AS I WAS DRIVING ON I 5 IN OREGON I EXPERIENCED A COMPLETE FAILURE OF THE ELECTRICAL SYSTEM AND BRAKE SYSTEMS. THE VEHICLE WAS ON CRUISE CONTROL AND WHEN I DISENGAGED IT ALL OF THE SAFETY WARNING LIGHT APPEARED ON THE DASHBOARD.

NHTSA ODI report, 20170912

RIGHT FRONT BRAKE HOSE RUBBING ON WHEEL AND CUTTING LOSS OF FLUID AND BRAKING EFFETENESS WAS MOVING IN DRIVEWAY WHEN IT POPPED THE MILEAGE IS 29236

NHTSA ODI report, 20180423

BRAKES LINES UNDER VEHICLE HAVE EXCESSIVE CORROSION AND HAVE FINALLY CRACKED, RESULTING IN COMPLETE BRAKE FAILURE. EVENT DID NOT RESULT IN ACCIDENT. VEHICLE HAS NOT BEEN OPERATED IN A NORTHERN SNOW REGION NOR COASTAL AREA.

NHTSA ODI report, 20180211

SERVICE BRAKES, HYDRAULIC 10%

10% of complaints: service brakes, hydraulic — 6 distinct reports on file.

CRASH INJURY
Show complaint excerpts

I WAS DRIVING MY 2004 H2 HUMMER. I WAS ON A DEEP SLOPE HILL. I WAS BACKING UP AND I HIT A 500 SERIES MERCEDEZ ON HIS LEFT BUMPER FROM LEFT REAR BUMPER.

NHTSA ODI report, 20071205

VISIBILITY 8%

8% of complaints: visibility — 5 distinct reports on file.

CRASH
VISIBILITY/WIPER 5%

5% of complaints: visibility/wiper — 3 distinct reports on file.

SAFETY TIMELINE

R 20040618 — service brakes, hydraulic

CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE V

Remedy: DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON JUNE 18, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339; CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463; OR HUM

Campaign 04V045000 — check if this car was fixed

I 20041202 — PE (closed 20051028)

STEERING KNUCKLE FRACTURE

R 20050323 — service brakes, hydraulic

CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY

Remedy: DEALERS WILL TEST THE HYDRO-BOOST ASSEMBLY FOR FUNCTIONAL OPERATION OF THE TWO-FUNCTION VALVE. IF THE HYDRO-BOOST ASSEMBLY FAILS THE TEST, DEALERS WILL REPLACE THE ASSEMBLY FREE OF CHARGE. THE RECALL

Campaign 05V043000 — check if this car was fixed

R 20050721 — seat belts

ON CERTAIN CREW CAB PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE 2ND ROW CENTER OCCUPANT SEAT BELT ROUTING MAY MAKE IT DIFFICULT TO POSITION THE LAP PORTION OF THE SAFETY BELT LOW AROUND THE HIPS OF

Remedy: DEALERS WILL CUT OPEN THE GUIDE LOOP, REMOVE A PORTION OF THE LOOP, AND THEN THE REMAINING TWO SIDES SHOULD BE FOLDED OVER AND SECURED WITH A RETAINER FREE OF CHARGE. THE RECALL BEGAN ON JULY 21, 200

Campaign 05V163000 — check if this car was fixed

I 20051028 — EA (closed 20070430)

HUMMER H2 STEERING KNUCKLE FAILURES

R Date not on file — steering

CERTAIN FABTECH AFTERMARKET REPLACEMENT PITMAN ARMS, P/NOS. FTS71000 AND FTS71001, INSTALLED FOR USE ON CERTAIN 2001-2006 GM C/K 2500 PICK UP TRUCKS AND SPORT UTILITY VEHICLES.

Remedy: FABTECH WILL NOTIFY OWNERS AND REPLACE THE PITMAN AND IDLER ARMS FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING FEBRUARY 2006. OWNERS MAY CONTACT FABTECH AT 909-597-7800.

Campaign 06E010000 — check if this car was fixed

BUY-SMART CHECKLIST

2004 Hummer H2 — pre-purchase inspection

  • Test/inspect for electrical system issues (10 reports on file for this year).
  • Test/inspect for service brakes issues (8 reports on file for this year).
  • Test/inspect for service brakes, hydraulic issues (6 reports on file for this year).
  • Verify recall 06E010000 (steering) has been completed.
  • Verify recall 04V045000 (service brakes, hydraulic) has been completed.
  • Verify recall 05V043000 (service brakes, hydraulic) has been completed.
  • Verify recall 05V163000 (seat belts) has been completed.
Inspected by ______________ Date ______________

FAQ

Is the 2004 Hummer H2 reliable?

There isn't enough NHTSA complaint data on file yet to give this model year a verdict.

What are the most common problems with the 2004 Hummer H2?

The most-reported component is electrical system, accounting for 17% of complaints on file.

How many recalls does the 2004 Hummer H2 have?

4 recalls on file for this model year.

Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.