Is your car affected?
Check by VIN to confirm the
exact model and see every recall for it.
Recalls are issued for a make, model and model year. Whether the repair has already been done on one specific car is known only to its manufacturer and dealers. Check your vehicle's official status at nhtsa.gov/recalls or with a dealer.
US recalls (1)
Exterior lighting: turn signal
ON CERTAIN TRUCKS AND SPORT UTILITY VEHICLES, THE DRIVER WISHING TO SIGNAL A TURN BY MOVING THE DIRECTIONAL SIGNAL LEVER, (UP OR DOWN) MAY CAUSE THE FRONT MARKER/TURN LIGHTS AND REAR TURN LIGHTS TO FLASH IN A MANNER SIMILAR TO HAZARD WARNING, RATHER THAN FLASHING ON THE DESIRED SIDE ONLY.
Risk and remedy
Risk: THE DRIVER MAY NOT BE ABLE TO CLEARLY SIGNAL THEIR INTENTIONS TO TURN, CHANGE TRAVEL LANES, OR POTENTIALLY WARN OTHERS OF AN IMPAIRED VEHICLE OPERATING CONDITION INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL REPLACE THE SUSPECT FLASHER MODULES WITH A NEW FLASHER MODULE DESIGNED WITH SEALED RELAYS AND MORE DURABLE CONTACT MATERIAL INSIDE OF THE RELAYS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 4, 2005. ISUZU BEGAN MAILING OWNER LETTERS ON AUGUST 4, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, ISUZU AT 1-800-255-6727, BUICK AT 1-866-608-8080, AND OLDSMOBILE AT 1-800-630-6537.
Owner complaints (64)
Owners filed 64 complaints with NHTSA about the 2004 Isuzu Ascender (2 fires reported). Among 5 model years of this model, it ranks #1 for the most complaints (median 35).
| Most-reported problem | Complaints | |
|---|
| Electrical system | 34 | |
| Fuel system, gasoline | 8 | |
| Fuel/propulsion system | 7 | |
| Exterior lighting | 6 | |
| Visibility | 4 | |
| Engine | 4 | |
| Seat belts | 3 | |
| Tires | 2 | |
Crash test ratings
NHTSA 5-Star Safety Ratings for the 2004 Isuzu Ascender.
| Version | Overall | Frontal | Side | Rollover |
|---|
| 2004 Isuzu Ascender 5 4-DR. w/SAB | – | – | – | 4★ |
| 2004 Isuzu Ascender 5 4-DR. | – | – | – | 4★ |
Fuel economy
EPA ratings for each 2004 Isuzu Ascender version.
| Version | City MPG | Highway MPG | Combined | Yearly fuel cost |
|---|
| Ascender 2WD 4.2 L Automatic 4-spd | 13 | 18 | 15 | $4,450 |
| Ascender 2WD 5.3 L Automatic 4-spd | 14 | 18 | 16 | $4,200 |
| Ascender 4WD 4.2 L Automatic 4-spd | 14 | 19 | 16 | $4,200 |
| Ascender 4WD 5.3 L Automatic 4-spd | 13 | 17 | 14 | $4,800 |
| Ascender 5-passenger 2WD 4.2 L Automatic 4-spd | 14 | 19 | 16 | $4,200 |
| Ascender 5-passenger 4WD 4.2 L Automatic 4-spd | 14 | 19 | 16 | $4,200 |
Need this data in your app?
Recalls, complaints, crash ratings and fuel economy as a JSON API. Decode up to 50 VINs per call and get a daily feed of new recalls.
Explore the API →
Sources: NHTSA recalls, complaints and 5-Star Safety Ratings, US EPA fuel economy and Transport
Canada's Vehicle Recalls Database (contains information licensed under the Open Government Licence – Canada).
Recalls updated 2026-10-30.