Model year
2004 Isuzu Ascender
NHTSA lists 1 recall and 64 complaints for the 2004 Isuzu Ascender (recall file dated Oct 23, 2026; complaint file dated Oct 23, 2026). The components listed on the most complaints are ELECTRICAL SYSTEM (23), ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL (11), FUEL SYSTEM, GASOLINE (8). NHTSA lists 2 investigations. NHTSA star ratings from before model year 2011 use an older method and are not shown here. EPA rates it 14–16 mpg combined depending on configuration (fuel economy file dated Sep 29, 2026). EPA's annual fuel-cost figures for these configurations are $4,200–$4,800, based on 15,000 miles and 55% city driving.
- 2003 35 complaints
- 2004 64 complaints
- 2005 64 complaints
- 2006 32 complaints
- 2007 10 complaints
- 2008 0 complaints
- 2009 0 complaints
Recalls
05V198000 · May 5, 2005
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…
Complaints
64 distinct complaints. Crash flag on 0, fire flag on 2, injury field 0, deaths field 0. A complaint can be counted under more than one component. The injury and death figures are the file's numbers (the highest value on each complaint, then added), not a separate verified count of people.
Investigations
| Action | Subject | Opened | Closed |
|---|---|---|---|
| EA07009 | FUEL PUMP MODULE LEAKS GASOLINE · FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP | Jul 10, 2007 | Aug 28, 2008 |
| RQ17002 | Loss of Headlights · EXTERIOR LIGHTING:HEADLIGHTS | Apr 24, 2017 | Mar 29, 2021 |
Safety ratings
NHTSA star ratings from before model year 2011 use an older method and are not shown here.
Fuel economy
| Configuration | Fuel | City | Hwy | Comb | kWh/100 mi | Range | Annual fuel cost |
|---|---|---|---|---|---|---|---|
| Ascender 2WD · 4.2L · Automatic 4-spd · Rear-Wheel Drive | Regular Gasoline | 13 | 18 | 15 | — | — | $4,450 |
| Ascender 2WD · 5.3L · Automatic 4-spd · Rear-Wheel Drive | Regular Gasoline | 14 | 18 | 16 | — | — | $4,200 |
| Ascender 5-passenger 2WD · 4.2L · Automatic 4-spd · Rear-Wheel Drive | Regular Gasoline | 14 | 19 | 16 | — | — | $4,200 |
| Ascender 4WD · 4.2L · Automatic 4-spd · 4-Wheel or All-Wheel Drive | Regular Gasoline | 14 | 19 | 16 | — | — | $4,200 |
| Ascender 4WD · 5.3L · Automatic 4-spd · 4-Wheel or All-Wheel Drive | Regular Gasoline | 13 | 17 | 14 | — | — | $4,800 |
| Ascender 5-passenger 4WD · 4.2L · Automatic 4-spd · 4-Wheel or All-Wheel Drive | Regular Gasoline | 14 | 19 | 16 | — | — | $4,200 |
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Check a vehicle
This page is not a VIN lookup. NHTSA's recall tool checks a specific vehicle: nhtsa.gov/recalls. NHTSA's page for this model year is 2004 Isuzu Ascender at NHTSA. Complaint narratives stay on NHTSA's site and are not copied here.