There are 2 owner-reported powertrain & transmission complaints for the 2004 Isuzu Ascender in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2004 ISUZU ASCENDER. AFTER STOPPING THE VEHICLE, THE CONTACT WAS UNABLE TO SHIFT GEARS AND THE IGNITION KEY FAILED TO REMOVE FROM THE IGNITION. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 70,000.
THE COMPUTER SYSTEM OF THE VEHICLE IS BROKEN DOWN. THE SPEEDOMETER JUMPS FROM 0 MPH TO 120MPH AND NEVER SHOWS THE CORRECT SPEED. AIRBAG SIGN FLICKERS AND TURNS ON AND OFF AT TIMES. THE GEAR STICK JAMS ON ONE MODE AND CAR STARTS STALLING. DEALERSHIP DOESN'T WANT TO ACCEPT IT AS A LEMON CAR THAT IS EATING AWAY OUR MONEY. AND WANTS THOUSANDS OF DOLLARS TO FIX THE PROBLEM. *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 Sep 8, 2026