NHTSA Owner Complaint Log
This page lists owner-reported complaints filed with NHTSA for the 2009 Hummer H2. Complaints are unverified consumer reports submitted to NHTSA and do not by themselves prove a defect or defect rate.
BOTH REAR LEAF SPRINGS BROKE RIGHT AT THE FRONT "SPRING EYES", CAUSING THE REAR TO SHIFT TOWARDS THE BACK OF THE VEHICLE, THUS ACTIVATING THE EMERGENCY BRAKE AND CAUSING THE VEHICLE TO BECOME INOPERABLE. I'VE READ OTHER SIMILAR COMPLAINTS ON THE VEHICLE THAT SHOWS THAT THIS THE LEAF SPRING DESIGN WAS CLEARLY A MANUFACTURER DEFECT.
SINCE AUGUST OF 2009, HAVING PROBLEMS WITH ENGINE/TRANSMISSION. VEHICLE "DIED IN FLIGHT" IN AUGUST, VEHICLE COUGHS, STUTTERS, AND STALLS OUT EVERY DAY AT FIRST START-UP, AND I'M EXPERIENCING HARSH SHIFTING DAILY. I'M ADVISED THERE IS NO RESOLUTION TO THE DAILY STALL-OUT PROBLEM EVEN THOUGH THE VEHICLE HAS BEEN IN TO THE SERVICE DEPARTMENT FOUR TIMES SINCE 8/6/09. ON LAST VISIT TO SERVICE DEPARTMENT I WAS ADVISED THAT "GM IS AWARE OF THE PROBLEM BUT HAS NO FIX FOR IT" (CASE #11074714). *TR
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.