There are 3 owner-reported brakes complaints for the 2003 Isuzu Ascender in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2003 ISUZU ASCENDER. THE CONTACT STATED THAT UPON INSPECTION, IT WAS FOUND THAT THE BRAKE LINE WAS PERFORATED DUE TO RUST. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHERE THE FAILURE WAS CONFIRMED. THE VEHICLE WAS BEING REPAIRED. THE MANUFACTURER WAS CONTACTED AND INFORMED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN THE MANUFACTURER'S RECALL. THE FAILURE MILEAGE WAS 102,000.
DT: DRIVER'S SEAT BELT BECAME STUCK, IT WAS JAMMED ON THE INSIDE. WILL NOT COME OUT AT ALL. IT HAS DONE THIS BEFORE BUT WAS ABLE AT THAT TIME TO GET IT OUT. ALSO, WHEN PUSHING DOWN ON THE BRAKES CONSUMER COULD HEAR A CLANKING NOISE.*AK
THE BRAKE PEDAL WENT TO THE FLOOR AT A RAPID PACE WHEN SLOWING DOWN. THIS RESULTED IN THE VEHICLE NOT SLOWING DOWN IMMEDIATELY. THE ABS WARNING LIGHT CAME ON. THE DEALERSHIP REPLACED THE ABS MODULE. *AK THE CONSUMER HAD AN ACCIDENT AFTER BEING TOLD BY THE DEALER THAT THE BRAKES WORKED NORMALLY. THE BRAKES WOULD GO TO THE FLOOR AND THERE WAS A HUMMING SOUND WHEN THE VEHICLE WAS TURNED OFF. *SC *JB
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 Sep 8, 2026