ELECTRICAL SYSTEM
2008 Hummer H2
Recalls, owner-reported complaints, investigations and safety data
Data refreshed
Overview
Our database contains 7 NHTSA owner-reported complaints for the 2008 Hummer H2, most frequently naming the electrical, powertrain (other) and visibility categories. 3 safety recalls have been issued covering this model year; 2 NHTSA investigations name it; and 943 manufacturer communications are on file.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Complaint activity over time
When owners filed reports about this model year
View as table
| Month | Complaints filed | Cumulative |
|---|---|---|
| Feb 2010 | 1 | 1 |
| Aug 2014 | 1 | 2 |
| Oct 2015 | 1 | 3 |
| Apr 2016 | 1 | 4 |
| Jan 2017 | 1 | 5 |
| Aug 2021 | 1 | 6 |
| Mar 2025 | 1 | 7 |
What owners report
Complaints grouped by the component NHTSA recorded
- Electrical220.0%
- Powertrain (other)220.0%
- Visibility220.0%
- Airbags110.0%
- Fuel system110.0%
- Brakes110.0%
- Driver assistance110.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Safety recalls
3 campaigns cover this model year
Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.
Check a VIN on NHTSA.govELECTRICAL SYSTEM
SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR
Safety investigations
NHTSA inquiries naming this vehicle. An investigation is not a finding of a defect.
NON-CRASH ENGINE COMPARTMENT FIRES
IN A LETTER DATED AUGUST 27, 2008, GENERAL MOTORS CORP. (GM) NOTIFIED NHTSA THAT IT WILL CONDUCT A SAFETY RECALL (NHTSA RECALL NUMBER 08V-441) TO ADDRESS A SAFETY RELATEDDEFECT THAT CAN RESULT IN ENGINE COMPARTMENT FIRE IN APPROXIMATELY 850,000 VEHICLES EQUIPPED WITH A HEATED WINDSHIELD WASHER FLUID OPTION.THE SUBJECT VEHICLES OF THIS INVESTIGATION COMPRISE OVER THREE-QUARTERS OF THE RECALL POPULATION. ACCORDING TO GM, A SHORT CIRCUIT ON THE PRINTED CIRCUIT BOARD FOR THE WINDSHIELD WASHER FLUID HEATER MODULE MAY OVERHEAT THE CONTROL-CIRCUIT GROUND WIRE. THIS MAY CAUSE OTHER ELECTRICAL FEATURES TO MALFUNCTION, CREATE AN ODOR OR CAUSE SMOKE AND IN RARE CASES IT MAY CAUSE A FIRE.AS A REMEDY, GM DEALERS WILL INSTALL A WIRE HARNESS WITH AN IN-LINE FUSE. IN ADDITION TO THE SUBJECT VEHICLES, SEVERAL OTHER GM MODELS WITH THE HEATED WINDSHIELD WASHER FLUID OPTION ARE INCLUDED IN RECALL 08V-441: MY 2006-2008 BUICK LUCERNE (MANUFACTURED AUGUST 2005 THROUGH NOVEMBER 2007); MY 2008 BUICK ENCLAVE (MANUFACTURED FEBRUARY 2007 THROUGH APRIL 2007); MY 2006-2008 CADILLAC DTS (MANUFACTURED MAY 2007 THROUGH NOVEMBER 2007); MY 2007-2008 SATURN OUTLOOK (MANUFACTURED AUGUST 2006 THROUGH APRIL 2007); AND MY 2007-2008 GMC ACADIA (MANUFACTURED AUGUST 2006 THROUGH APRIL 2007) VEHICLES.GM IS INSTRUCTING OWNERS TO TAKE THEIR VEHICLE TO A DEALER FOR SERVICE IF THEY EXPERIENCE SYMPTOMS OF WINDSHIELD WASHER HEATER MODULE SHORT CIRCUITS. GM'S RECALL RESOLVES THE SAFETY DEFECT CONCERNS PURSUED BY THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED.
NON-CRASH ENGINE COMPARTMENT FIRES
IN RESPONSE TO AN INFORMATION REQUEST LETTER SENT BY THE OFFICE OF DEFECTS INVESTIGATION(ODI) DURING PRELIMINARY EVALUATION PE08-010, GM PROVIDED ODI WITH 41 ALLEGATIONS OF NON-CRASH ENGINE COMPARTMENT FIRES INCLUDING 16 ALLEGATIONS OF FIRES ORIGINATING WITH THE IGNITION IN THE OFF POSITION.ONE OF THE FIRES WAS DETERMINED TO BE CAUSED BY AN ARSON EVENT.ODI HAS ALSO RECEIVED 5 REPORTS, 4 OF WHICH ARE OF DUPLICATIVE OF REPORTS PROVIDED BY GM, ALLEGING NON-CRASH ENGINE COMPARTMENT FIRES IN THE SUBJECT VEHICLES.IN TOTAL, ODI IS AWARE OF 41 NON-CRASHENGINE COMPARTMENT FIRES IN THE SUBJECT VEHICLES THAT ARE UNRELATED TO ARSON.EIGHT OF THE 41 FIRE ALLEGATIONS ALSO ALLEGE PROPERTY DAMAGE AS A RESULT OF THE FIRES.THIS PRELIMINARY EVALUATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA08-010) TO FURTHER ASSESS THE SCOPE, FREQUENCY, ORIGIN AND CAUSE OF THE ALLEGED NON-CRASH RELATED ENGINE COMPARTMENT FIRES IN THE SUBJECT VEHICLES.
Recent owner complaints
Reports submitted to NHTSA, shown in the owner's own words
P code P0872 6L50/6L80/6L90 - Automatic Transmission
- NHTSA ID
- 11648738
- Incident
- Mar 17, 2025
The contact owns a 2008 Hummer H2. The contact stated that the air bag warning light was illuminated on the instrument panel at start up. The next day, the vehicle failed to start up after multiple attempts and the air bag warning light remained illuminated on the instrument panel. The contact was eventually able to start the vehicle and took the vehicle to the dealer. The failure continued while in the possession of the dealer and the contact was informed that the failure was caused by moisture leaking from the windshield into the air bag module. The manufacturer was not notified of the failure. The vehicle was not repaired and remained with the dealer. The failure mileage was approximately 114,000.
- NHTSA ID
- 11430460
- Incident
- Jul 3, 2021
- Mileage
- 114,000 mi
EARLY FAILURE OF 6L80 TRANSMISSION AT 110K MIKES CAR IS WELL MAINTAINED AND SERVICED PER MANUAL. VEHICLE WAS PERFORMING AS EXPECTED. 4 PERSONS IN THE VEHICLE WITH NOTHING IN TOW AND NO EXTRA CARGO. IN THE MIDDLE OF AN INTERSECTION AFTER STARTING OFF, THE VEHICLE LOST POWER TO THE WHEELS. DRIFTED TO SIDE OF ROAD, BUT ALMOST GOT HIT BY A TRUCK AND WOULD HAVE IF THE FAILURE OCCURRED 1 SECOND EARLIER. GM HAS REDESIGNED THE FAILURE POINTS OF PUMP, TEHCM AND VALVES, FAILURE OCCURS WITH NO WARNING.
- NHTSA ID
- 10943985
- Incident
- Nov 18, 2016
- Mileage
- 110,000 mi
ON JANUARY 2015 GENERAL MOTORS PUBLISHED A BULLETIN NO:14515B PRODUCT SAFETY RECALL ABOUT FUEL PUMP FLOW CONTROL MODULE. MY VEHICLE STARTED GIVING ME TROUBLE WITH THIS PART ON APRIL 19, 2016 AND I CALLED GM AND THEY SAID MY VIN NUMBER IS NOT COVERED UNDER THIS RECALL. I BELIEVED IS UNFAIR THAT THEY ARE NOT COVERING MY VEHICLE UNDER THIS RECALL AND I REQUEST AN INVESTIGATION ABOUT THIS ISSUE. PLEASE CONTACT ME AT [XXX] OR EMAIL [XXX]. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
- NHTSA ID
- 10860695
- Incident
- Apr 19, 2016
- Mileage
- 118,600 mi
TL* THE CONTACT OWNS A 2008 HUMMER H2. WHILE THE VEHICLE WAS PARKED, THE HEATER/VENT/AIR CONDITIONER WAS TURNED ON AND FAILED TO BLOW HOT AIR. IN ADDITION, THERE WAS A BURNING ODOR PRESENT INSIDE THE VEHICLE. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY); HOWEVER, THE PART FOR THE RECALL REPAIR WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 41,492. UPDATED 2/4/16 UPDATED 4/23/18*JB *CN
- NHTSA ID
- 10783397
- Incident
- Aug 3, 2015
- Mileage
- 41,492 mi
TL * THE CONTACT OWNS A 2008 HUMMER H2. THE CONTACT STATED THAT THE FRONT DRIVERS SIDE AND THE REAR DRIVERS SIDE POWER WINDOWS FAILED. THE CONTACT MENTIONED THAT WHEN ATTEMPTING TO OPEN THE REAR PASSENGER WINDOW, THE GLASS FELL INTO THE DOOR PANEL. IN ADDITION, THE FRONT DRIVERS SIDE DOOR GLASS FELL INTO THE DOOR PANEL SEVERAL DAYS AFTER THE INITIAL FAILURE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 72,000.
- NHTSA ID
- 10618609
- Incident
- Jul 4, 2014
- Mileage
- 72,000 mi
EVERY COUPLE OF MONTHS ON AVERAGE, WHILE DRIVING VERY SLOW...USUALLY 2-3 MPH, THE ACCELERATOR WILL SURGE THE RPMS UP ABOUT 1,500. THIS REQUIRES YOU TO IMMEDIATELY HIT THE BRAKE AGGRESSIVELY. THIS USUALLY HAPPENS WHEN PULLING INTO A PARKING SLOT. *TR
- NHTSA ID
- 10312555
- Incident
- Feb 5, 2010
- Mileage
- 10 mi
Manufacturer communications
A bulletin sent by a manufacturer to its dealers. Not a recall, and repairs are not necessarily free.
New Vehicle Monitoring Programs Section in IVH
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
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.
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.
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.
Manufacturers file copies of the bulletins they send to dealers with NHTSA. These often describe diagnostic or repair procedures for a known condition. They are not recalls: repairs described in a bulletin are usually only free if the vehicle is still under warranty or the manufacturer has extended coverage.
Compare model years
Complaint and recall counts across every year of this model
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers. Older model years have had longer for reports to accumulate.