There are 3 stored owner reports matching the electrical system leading-label group for the 2007 Hummer H2 in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)REAR WINDOW ON DRIVER SIDE, CABLE SNAPPED LESS THAN A YEAR AGO. IT WAS RAINING HEAVY AND I HAD TO RIDE WITH THE WINDOW DOWN FOR 13 HOURS TILL I GOT HOME. TONIGHT, IT'S THE 4TH OF JULY, TOOK MY KIDS TO SEE FIREWORKS.. ROLLED THE WINDOW DOWN FOR THEM TO WATCH, HEARD A POP. NATURALLY I WAS OUT OF TOWN AND HAD TO TO RIDE HOME LIKE THAT..
ABS /. TRACTION CONTROL. BOTH LIGHTS ON AT THE MESSAGE CENTER OF THE DASH BOARD. SIMULTANEOUSLY THESE TWO LIGHT COME ON AND OFF INTERMITTENTLY. MEANING THEY COME ON TOGETHER, SOMETIMES WHEN I HIT A SPEED BUMP AND THEN THEY GO OUT FOR SOMETIMES 1 MONTH OR 4 MONTHS EACH TIME RANDOMLY. ALWAYS WHEN THE CAR IS MOVING OR IN OPERATION.
WITHIN THE FIRST 44 HOURS OF OWNING THIS VEHICLE IT BROKE DOWN WHEN MY WIFE AND I WERE 50 MILES FROM HOME - AFTER WAITING OVER 45 MINUTES FOR ROAD SERVICE I FINALLY GOT IT STARTED. IT REPEATED THIS PROBLEM THREE TIMES AND HAD TO BE TOWED IN ON FLAT BED - ON MAY 26TH IT WOULD NOT START AGAIN AND HAD TO BE TOWED AGAIN, THEY CANNOT GET PROBLEM TO REPEAT ITSELF - THEN AGAIN TWO WEEKS LATER IT WAS DEAD AGAIN. THEY CANNOT GET THE PROBLEM TO REPEAT ITSELF AND CLAIM THEY ARE BAFFLED.THEY HAVE BROUGHT HUMMER TO MY DRIVEWAY TO SEE IF THERE IS A "SIGNAL" IN MY AREA THAT IS CAUSING THE "MODULE" THAT IS KICKING ON AND DRAING POWER
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.