There are 1 owner-reported suspension complaints for the 2005 Hummer H2in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I STARTED MY VEHICLE 4 DAYS AGO AND THE SPEEDOMETER AND GAUGES WERE FROZEN AND DID NOT OPERATE AT ALL. I DROVE TO THE STORE AND THE GAUGE REMAINED AT 0 THE ENTIRE TIME. WHEN YOU ACCELERATE THE SPEEDOMETER DOES NOT MOVE FROM 0 MPH. I TURNED THE VEHICLE OFF AND TURNED IT BACK ON AND THERE WAS NO CHANGE. YESTERDAY WHEN I STARTED THE VEHICLE THE GAUGE WOULD ONLY MOVE BETWEEN 30-50 MPH. TODAY WHEN I STARTED THE VEHICLE IT IS FROZEN AT 120 MPH AND THE KHM(?) DOES NOT MOVE PAST 1.WHEN I ACCELERATE NEITHER OF THE TWO GAUGES ARE FUNCTIONING. I HAVE YET TO REPAIR IT BC IT HAS HAPPENED JUST A FEW DAYS AGO BUT I WAS TOLD THAT I AM LOOKING AT A VERY LARGE REPAIR COST TO REPLACE THE ENTIRE DASHBOARD CLUSTER. THE SAME THING HAPPENED IN MY 2003 MODEL AND I SOLD THE VEHICLE. AS WELL THE REAR SUSPENSION IS LOWERING ON ITS OWN TO THE LOWEST POSITION AND DOES NOT GO BACK TO THE NORMAL HEIGHT. I HAVE TO PUSH THE BUTTON ON THE INTERIOR. WHEN I RETURN TO THE VEHICLE THE FOLLOWING MORNING THE REAR SUSPENSION HAS DROPPED DOWN AGAIN. *TR
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.
Data synced from NHTSA on Apr 26, 2026