2004 HUMMER H2: raw data

Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.

vehicle	2004 / hummer / h2
known issues	4 clusters (reviewed 2026-10-01)
complaints	59 on file (2004-07-25 → 2026-02-10)
recalls	0
investigations	2
fars	not identifiable in FARS
indexed	yes
license	CC BY 4.0 (derived)

Known Issues clusters all years →

Windshield wiper motor module malfunctionVISIBILITY11 complaints2009-02 → 2016-01h2-2004-wiper-motor-module

10341988 THE CONTACT STATED THAT WHEN IT RAINED, THE WINDSHIELD WIPERS WOULD FUNCTION NORMALLY AND SUDDENLY THEY WOULD STOP WORKING
10260062 AT FIRST MY WIPERS WOULD RUN WITHOUT ME EVEN TURNING THEM ON THEN THEY WOULDN"T WORK AT ALL
10311401 THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE BATTERY STOPPED WORKING DUE TO THE WINDSHIELD WIPER MOTOR MODULE

Speedometer and instrument panel malfunctionELECTRICAL SYSTEM7 complaints2006-11 → 2016-10h2-2004-speedometer-instrument-panel

10454053 CONTACT NOTICED THAT THE SPEEDOMETER PROVIDED A READING OF 80 MPH INSTEAD OF 0
10172432 2004 HUMMER H2 SPEEDOMETER QUIT FUNCTIONING COMPLETELY THE STARTED WORKING AGAIN BUT VERY ERRATICALLY, READING IMPROPER SPEEDS AT ALL SPEEDS INCLUDING REGISTERING 60 MPH WHILE AT A STOP
10398505 I HAVE A 2004 HUMMER H2, THE ENTIRE INSTRUMENT PANEL MALFUNCTIONS

Brake line corrosion and brake fluid lossSERVICE BRAKES5 complaints2010-08 → 2018-02h2-2004-brake-line-corrosion

11072214 BRAKES LINES UNDER VEHICLE HAVE EXCESSIVE CORROSION AND HAVE FINALLY CRACKED, RESULTING IN COMPLETE BRAKE FAILURE
10649650 I LOOKED UNDER THE VEHICLE AND NOTICED A BRAKE LINE WAS RUSTED IN TWO
10560687 ALMOST NO BRAKES STEPPING TO FLOOR

Front steering and suspension component fractureSTEERING4 complaints2004-07 → 2021-09h2-2004-front-steering-suspension-failure

10105033 WHILE DRIVING 35 MPH THE STEERING KNUCKLE FRACTURED WITHOUT WARNING
10182715 LATER INSPECTION BY MYSELF, LOCAL GARAGE, INSURANCE ESTIMATOR AND BODY SHOP REVEALED THE RIGHT HAND TIE ROD HAD BROKEN WHICH IS BELIEVE CAUSED LOSS OF STEERING AND ACCIDENT
10082603 FRONT WHEEL LINKAGE FAILURE, WHEEL FELL OFF

NHTSA complaints (summary) all years →

count	earliest_date	latest_date	crash_flagged	fire_flagged	top_components
59	2004-07-25	2026-02-10	6	1	ELECTRICAL SYSTEM:14; SERVICE BRAKES:14; VISIBILITY:10; HYDRAULIC:6; STEERING:6

Recalls all years →

none listed

Investigations all years →

action_number	status	subject	components	opened	closed	recall_campaign	summary
EA05017	closed	HUMMER H2 STEERING KNUCKLE FAILURES	SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT	2005-10-28	2007-04-30	·	ODI UPGRADED THIS INVESTIGATION AT THE CONCLUSION OF PE04-080.THE ALLEGED DEFECT INVOLVES THE FAILURE OF THE STEERING KNUCKLE AT THE LOWER BALL JOINT BOSS, RESULTING IN A SEPARATION OF THE LOWER BALL JOINT FROM THE KNUCKLE.A LOWER BALL JOINT SEPARATION COULD RESULT IN A LOSS OF STEERING AND/OR A DISABLED VEHICLE. IT APPEARS THAT THE FRACTURES OF H2 STEERING KNUCKLES CAN BE ATTRIBUTED TO WHEEL/TIRE COLLISION FORCES BEING TRANSFERRED DIRECTLY TO THE STEERING KNUCKLE.THE ORIGINAL KNUCKLE DESIGN APPEARS TO BE SUFFICIENT FOR THE H2 APPLICATION.EVIDENCE FROM INSPECTED VEHICLES, PHOTOGRAPHS, POLICE R
PE04080	closed	STEERING KNUCKLE FRACTURE	STEERING:LINKAGES:TIE ROD ASSEMBLY	2004-12-02	2005-10-28	·	DURING THE PE, ODI INVESTIGATED THE HUMMER H2 FOR FRACTURES WHICH WERE OCCURRING AT THE FRONT STEERING KNUCKLE LOWER BOSS.WHEN THE KNUCKLE LOWER BOSS FRACTURES, THE LOWER BALL JOINT STUD IS RELEASED AND THE ENTIRE KNUCKLE AND WHEEL/TIRE ASSEMBLY SEPARATES FROM THE VEHICLE.ODI IS UPGRADING THIS INVESTIGATION TO GAIN A FULL TECHNICAL UNDERSTANDING OF THE FACTORS WHICH CONTRIBUTED TO THESE FAILURES.

FARS occupant deaths all years →

not identifiable in FARS (absent, not zero)

Cite this

Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.

Wrench.Pro (2026). 2004 HUMMER H2 vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2004/hummer/h2

@misc{wrenchpro_2004_hummer_h2_2026,
  author = {Wrench.Pro},
  title = {Wrench.Pro vehicle data: 2004 HUMMER H2},
  year = {2026},
  howpublished = {\url{https://www.wrench.pro/data/vehicles/2004/hummer/h2}},
  note = {Derived from NHTSA public records. CC BY 4.0.}
}

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