There are 1 owner-reported speed control & cruise complaints for the 2007 Hummer H3in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
VEHICLE INSTRUMENT PANEL WARNING SHOWS: SERVICE TRACTION CONTROL REDUCED POWER STABILITY SYSTEM FAILED VEHICLE MISFIRES WHEN THIS HAPPENS SOMETIMES VEHICLE SHUTS OFF IN THE MIDDLE OF THE ROAD WHEN TRYING TO RESTART IT DOES NOT RESTART SOMETIMES AFTER THIS
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