The vehicle dossier US · 2005

2005 Hummer
H2Problems & recalls

79 distinct owner reports in the NHTSA snapshot. Electrical system appears in 27 of them. Explore what was reported—and which official actions are on file.

Snapshot Sep 28, 2026Live NHTSA complaint API How this dossier is compiled

01 / Owner-reported evidence

What owners reported.

Categories attached to 79 distinct reports. A report can mention more than one component, so category totals can overlap.

Electrical system27 reports
Visibility19 reports
Air bags12 reports
Brakes11 reports
Other components10 reports
Steering6 reports
Transmission & drivetrain4 reports
Engine4 reports
Body & structure2 reports
Suspension1 reports
See original component labels
ELECTRICAL SYSTEM23
AIR BAGS11
SERVICE BRAKES6
STEERING5
VISIBILITY5
VISIBILITY:WINDSHIELD WIPER/WASHER5
VISIBILITY:REAR WINDOW WIPER/WASHER4
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL4
SERVICE BRAKES, HYDRAULIC4
VISIBILITY/WIPER4
ENGINE4
TIRES3
UNKNOWN OR OTHER3
WHEELS:RIM2
VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR2
AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE2
POWER TRAIN2
POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT1
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP1
STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM1
VISIBILITY:SUN/MOON ROOF ASSEMBLY1
POWER TRAIN:AUTOMATIC TRANSMISSION1
VISIBILITY:WINDSHIELD WIPER/WASHER:SWITCH/WIRING1
AIR BAGS:ON-OFF SWITCH ASSEMBLY1
SUSPENSION:REAR1
STRUCTURE:BODY:HATCHBACK/LIFTGATE:HINGE AND ATTACHMENTS1
VEHICLE SPEED CONTROL1
SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER1
STRUCTURE:BODY1
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION1
SEATS1

These are reports made to NHTSA, not verified diagnoses. More reports can reflect more vehicles, more time on the road, or greater reporting activity.

The reporting timeline

When reports arrived.

Reports by year filed, not by the year a problem occurred. Showing the latest 15 years with reports.

Year filed (last two digits)Latest report: Mar 25, 2026
Mileage, where supplied

70,000 miles is the median among 68 reports with usable mileage. The middle half spans 47,000–111,400 miles.

This describes the submitted reports. It does not predict when a vehicle will fail.

02 / Official safety campaigns

3 recall campaigns on file.

A campaign can cover only certain production dates or configurations. The count does not tell you whether an individual car has an open recall.

Feb 1, 2006 Safety recallSTEERINGCampaign 06E010000

Reported concern

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. THE PIN LOCATED INSIDE THE PITMAN ARM CAN SHEAR OFF DUE TO A REVERSE BENDING FATIGUE CONDITION, RESULTING IN A TOTAL LOSS OF STEERING CONTROL.

Manufacturer’s stated response

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.

Read campaign 06E010000 at NHTSA
Apr 22, 2005 Safety recallSEAT BELTS:REAR/OTHERCampaign 05V163000

Reported concern

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 OCCUPANTS, ESPECIALLY SMALLER OCCUPANTS, SEATED IN THIS POSITION. APPROPRIATE USE OF A CHILD SEAT OR BOOSTER SEAT, AS RECOMMENDED FOR SMALL CHILDREN, DOES IMPROVE THE FIT CONDITION FOR THIS USER GROUP. IN ADDITION TO INSTRUCTIONS ON PROPER INFANT AND YOUNG CHILD RESTRAINT (WITH CHILD SEATS OR BOOSTERS), SPECIAL VERBIAGE FOR RESTRAINING OLDER CHILD IS INCLUDED IN THE OWNER'S MANUAL. ALSO, THE SUGGESTED SEAT BELT FIT/ROUTING FOR ADULTS, IRRESPECTIVE OF SEATING POSITION, IS DESCRIBED IN THE OWNER'S MANUAL TEXT.

Manufacturer’s stated response

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, 2005. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, OR HUMMER AT 1-800-732-5493.

Manufacturer campaign: 05037

Read campaign 05V163000 at NHTSA
Feb 8, 2005 Safety recallSERVICE BRAKES, HYDRAULICCampaign 05V043000

Reported concern

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 DURING NORMAL OPERATING CONDITIONS.

Manufacturer’s stated response

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 BEGAN ON MARCH 23, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC TRUCKS AT 1-866-996-9463 AND HUMMER AT 1-800-732-5493.

Manufacturer campaign: 05006

Read campaign 05V043000 at NHTSA
Check this car’s VIN at NHTSA

03 / The manufacturer’s record

Instructions. Updates. Responses.

734 distinct communications list this model-year. Showing the latest 12. A matching model-year does not establish that every engine, trim or reported symptom is covered.

Jul 18, 2025 Service Bulletin/Repair InstructionsPIP5601CThis PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.NHTSA ID 11020816

This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11020816 at NHTSA
May 30, 2025 Service Bulletin/Repair InstructionsPIT5074RThis 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.NHTSA ID 11019074

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.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11019074 at NHTSA
May 30, 2025 Service Bulletin/Repair InstructionsPIT5074RThis 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.NHTSA ID 11019073

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.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11019073 at NHTSA
May 30, 2025 Service Bulletin/Repair InstructionsPIT5074RThis 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.NHTSA ID 11019072

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.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11019072 at NHTSA
Feb 20, 2025 Service Bulletin/Repair InstructionsPIP5358DThis Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a …NHTSA ID 11014455

This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11014455 at NHTSA
Dec 18, 2024 Service Bulletin/Repair Instructions03-06-01-023IThis service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.NHTSA ID 11012907

This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

Components: ENGINE. Confirm detailed applicability in the original document.

Source record 11012907 at NHTSA
Dec 7, 2024 Service Bulletin/Repair InstructionsPIT5074QThis Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released …NHTSA ID 11011782

This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11011782 at NHTSA
Oct 25, 2024 Service Bulletin/Repair InstructionsPIP4723JThis Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/chargin…NHTSA ID 11009156

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.

Components: ELECTRICAL SYSTEM. Confirm detailed applicability in the original document.

Source record 11009156 at NHTSA
Oct 7, 2024 Service Bulletin/Repair Instructions03-06-01-023HThis service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.NHTSA ID 11010544

This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

Components: ENGINE. Confirm detailed applicability in the original document.

Source record 11010544 at NHTSA
Sep 12, 2024 Service Bulletin/Repair InstructionsPIT5099HThis Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will ne…NHTSA ID 11007744

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11007744 at NHTSA
Sep 12, 2024 Service Bulletin/Repair InstructionsPIT5099HThis Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will ne…NHTSA ID 11007743

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11007743 at NHTSA
Sep 9, 2024 Service Bulletin/Repair Instructions02-00-89-002XThis service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).NHTSA ID 11008956

This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11008956 at NHTSA
Browse all manufacturer records by page

Records below contain the NHTSA bulk summary unless a document-reviewed explainer is linked. A service bulletin is not a safety recall or a promise of a free repair. Records may be revised or superseded; verify the current document with the manufacturer.

04 / Agency investigations

Official inquiries.

An investigation is an inquiry into a potential concern. Its presence does not establish a defect, and a closed case does not certify a car’s condition.

Opened Oct 28, 2005 ClosedHUMMER H2 STEERING KNUCKLE FAILURESEA05017

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 REPORTS AND EDR DATA INDICATES COLLISION IMPACT EVENTS PLACED STRESS ON THE STEERING KNUCKLE CAUSING IT TO FRACTURE.FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS WITH REGARD TO THE SUBJECT COMPONENT.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION ON THIS ISSUE IF WARRANTED.

Recorded closure: Apr 30, 2007

Find investigation EA05017

Your next step

Take good questions
to the inspection.

Use these prompts with a qualified inspector. This page is research, not a diagnosis or a substitute for a hands-on inspection.