2003 Hummer H2 sut problems
The Hummer H2 is an full-size off-road sport utility vehicle (SUV) that was marketed by Hummer and built in the AM General facility under contract from General Motors from 2002 until 2009. It is based on a modified GMT820 GM three-quarter-ton pickup truck in the front and a half-ton 1500 frame in the rear. A four-door pickup truck version with a midgate that opens the vehicle's interior to the external cargo bed was introduced for the 2005 model year as the H2 SUT (sport utility truck).
Background
In 2001 and 2002, GM allowed journalists to examine early versions of the Hummer H2, which were still under development at the time.
The H2 was built by AM General under contract with General Motors at AM General Commercial Assembly Plant in Mishawaka, Indiana.
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Common 2003 Hummer H2 sut problems
The Hummer H2 SUT 2003 is known for several common problems, primarily related to its heating and air conditioning (HVAC) system, gas cap issues, and engine performance.
One of the most prevalent issues is the failure of the heating and AC temperature and air delivery mode door actuators.
Another common problem is related to the gas cap. A loose or worn gas cap can cause the check engine light to illuminate, indicating that the fuel system is not properly sealed.
Engine performance is another area where the Hummer H2 SUT 2003 has been known to have issues. Problems with oil pressure were among the top complaints for the 2006 model year.
Some 2003-2006 Hummer H2 owners have also complained about engine stalling and low idle speed, which servicing the throttle body usually corrected.
In summary, the Hummer H2 SUT 2003 has several common problems, primarily related to its HVAC system, gas cap, and engine performance. These issues can be resolved by replacing the faulty components, but repairs can be costly. It is essential to address these issues promptly to maintain the vehicle's performance and reliability.
Do Hummer H2 have problems?
Though there's no denying that the Hummer H2 is a reliable off-road SUV, it can develop issues as it racks up mileage. Problems like gas cap issues and stalling engines aren't unheard of, meaning you'll need to get parts repaired or replaced every now and then.
How many miles will a 2003 Hummer H2 last?
There quite a few H2 owners around the globe who've got over 300k mileage from their H2s and are still going strong. Hummer H2 has really nicely built internal components. These components can last a really long period of time without needing to be replaced of majorly repaired.
Is it expensive to fix a Hummer H2?
The annual maintenance cost of a Hummer H2 is $745. Repair and maintenance costs vary depending on age, mileage, location and shop.
What are the problems with H2 transmission?
Some of the most common are slipping between gears, hard shifts, soft shifts, overheating, and the complete failure to engage a forward gear.
2003 Hummer H2 sut car problems categorized by type of issue
After analyzing all complaints sent to the NHTSA and researching popular Hummer H2 sut problems, we found that the most common problems with these 2023 model year vehicles are:
- Visibility problems
- Fuel/propulsion system problems
The graph below shows statistics for all 2003 Hummer H2 sut vehicle components and the number of complaints received.
2003 Hummer H2 sut complaints
The NHTSA has received 5 complaints about various vehicle components related to the 2003 Hummer H2 sut.
FUEL/PROPULSION SYSTEM PROBLEM
- Date Of Incident: 2012-09-03
- VIN: 5GRGN23U33H
- Components: FUEL/PROPULSION SYSTEM
- Summary: STARTED SMELLING STRONG FUEL SMELLS SO TOOK VEHICLE TO DEALER. DEALER CALLED AND ASKED ME TO STOP BACK BECAUSE WHEN THEY DROPPED FUEL TANK THEY DISCOVERED FUEL LINES RUNNING FROM GAS TANK WERE SO BADLY CORRODED THROUGH THAT WERE SPRAYING PIN-STREAMS OF RAW GAS ALL OVER THE UNDERSIDE OF MY VEHICLE. SAID IT WAS A MIRACLE I DID NOT EXPLODE OR CATCH FIRE. MECHANIC THEN ASKED ME TO ALSO LOOK AT EVERY BRAKE LINE ON THE TRUCK WHICH WERE ALSO SO BADLY CORRODED AND DETERIORATING THAT HE SAID THEY WERE A REAL DANGER AS WELL AND ALL NEEDED TO BE REPLACED ASAP AT HUGE EXPENSE. MY VEHICLE HAS BEEN CAREFULLY MAINTAINED, ALWAYS CLEANED AND SERVICED AND SOUTHERN OHIO (WHERE I LIVE) IS NOT AN ESPECIALLY HOSTILE OR CORROSIVE ENVIRONMENT. I PURCHASED THIS TRUCK NEW AND IT HAS BEEN DRIVEN ALMOST EXCLUSIVELY IN THIS FAIRLY BENIGN ENVIRONMENT. THIS SEEMS SUSPICIOUS AND IS TOTALLY UNEXPECTED. *TR
VISIBILITY PROBLEM
- Date Of Incident: 2012-02-08
- VIN: 5GRGN23U23H
- Components: VISIBILITY
- Summary: TL* THE CONTACT OWNS A 2003 HUMMER H2. THE CONTACT STATED THAT WHILE DRIVING 55 MPH, THE WINDSHIELD WIPERS ACTIVATED ON THERE OWN. THE CONTACT'S HUSBAND HAD TO REMOVE THE FUSES TO STOP THE WINDSHIELD WIPERS. THE VEHICLE WAS TAKEN TO THE DEALER FOR A DIAGNOSIS. THE DEALER STATED THAT THEY HAD TO REPLACE THE WINDSHIELD WIPER MOTOR. THE VEHICLE WAS REPAIRED. THE CONTACT MADE AN UNSUCCESSFUL ATTEMP AT NOTIFYING THE MANUFACTURER. THE FAILURE MILEAGE WAS 74,000 AND CURRENT MILEAGE WAS 74,400.
VISIBILITY PROBLEM
- Date Of Incident: 2011-05-19
- Components: VISIBILITY
- Summary: TL* THE CONTACT OWNS A 2003 HUMMER H2. THE CONTACT STATED THE FRONT AND REAR WINDSHIELD WIPERS FAILED INTERMITTINGLY. THE CONTACT TOOK THE VEHICLE TO A MECHANIC AND WAS INFORMED OF NHTSA CAMPAIGN ID NUMBER: 08V456000 (VISIBILITY: WINDSHIELD WIPER/WASHER MOTOR). THE CONTACT WAS LATER ADVISED THAT THE VEHICLE WAS NOT INCLUDED IN THE RECALL. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS UNKNOWN AND THE CURRENT MILEAGE WAS 57,000.
VISIBILITY PROBLEM
- Date Of Incident: 2010-12-15
- VIN: 5GRGN23U53H
- Components: VISIBILITY
- Summary: TL*THE CONTACT OWNS A 2003 HUMMER H2. THE CONTACT STATED THAT THE WINDSHIELD WIPER MOTOR MODULE BECAME WET AND FAILED TO FUNCTION. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE WIPER MODULE NEEDED TO BE REPLACED. THE MANUFACTURER WAS CONTACTED AND STATED THAT HIS VEHICLE WAS NOT INCLUDED IN NHTSA RECALL 08V456000, VISIBILITY, WINDSHIELD WIPER/WASHER MOTOR ALTHOUGH IT WAS EXPERIENCING THE SAME FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 125,900. UPDATED 03/16/11 *BF UPDATED 12/7/11 *CN
VISIBILITY PROBLEM
- Date Of Incident: 2008-12-24
- VIN: 5GRGN23U53H
- Components: VISIBILITY
- Summary: WHILE DRIVING THE WASHER MOTOR WENT ON AND JUST KEPT RUNNING. IT WOULD NOT SHUT OFF. I HAD TO DISCONNECT THE FUSES. AFTER SEARCHING I FOUND OUT THERE WAS AN INITIAL RECALL IN 2003 ON A FEW THOUSAND 2003 H2 WASHER/WIPER MOTORS WHICH APPARENTLY MY VIN WAS NOT INCLUDED. NOW I SEE A MORE RECENT RECALL NHTSA 08V456000 STATING 13,000 VEHICLES INCLUDED AND MY DEALER STILL SAYS THERE IS NO RECALL. I SEE ON MANY FORUMS CUSTOMERS STATING THEY HAVE THE SAME PROBLEM AND DEALERS SAYING THEIR VIN IS NOT INCLUDED. SOME SAY THEIR MOTORS CAUSED FIRES IN THEIR ENGINES AND NOW IM CONCERNED WITH DRIVING. *TR
Additional sources
More sources of information about 2003 Hummer H2 sut problems:
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