Recalls (1)
NHTSA lists 1 recall campaign for the 2004 Isuzu Ascender. Check whether yours was repaired with NHTSA's free VIN lookup ↗
Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.
Check on NHTSA ↗TURN SIGNAL FAILURE
- Summary
- 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.
- Consequence
- 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.
PlainVIN shows public government records for education. It isn't a vehicle inspection or legal advice. Check your own VIN with NHTSA or your dealer.
Owner complaints (64)
64 complaints filed with NHTSA (owner reports, not verified findings). The electrical system is mentioned most often.
As reported by owners in their complaints. These are reports, not NHTSA findings.
Most-reported components
| Component | Complaints | % of 64 |
|---|---|---|
| Electrical system | 34 | 53.1% |
| Fuel system | 10 | 15.6% |
| Fuel/propulsion system | 7 | 10.9% |
| Exterior lighting | 6 | 9.4% |
| Engine | 4 | 6.3% |
| Visibility | 4 | 6.3% |
| Seat belts | 3 | 4.7% |
| Service brakes | 3 | 4.7% |
| Engine and engine cooling | 2 | 3.1% |
| Power train | 2 | 3.1% |
How 2004 compares with other Ascender years
Best and worst Ascender years →| Model year | Complaints | Recall campaigns |
|---|---|---|
| 2003 | 35 | 5 |
| 2004 | 64 | 1 |
| 2005 | 64 | 1 |
| 2006 | 32 | 6 |
| 2007 | 10 | 4 |
Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.
Fuel economy: up to 16 mpg combined
- EPA annual fuel cost
- $4,200
- CO₂ tailpipe
- 555 g/mi
- EPA class
- Sport Utility Vehicle -
What it costs you to run
Miles ÷ 16 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.
EPA label estimates from lab tests; your mileage will vary.
Specs by configuration
| Engine · transmission | Drive | City / Hwy / Comb | EPA $/yr | CO₂ g/mi |
|---|---|---|---|---|
| 5.3 L 8-cyl · 4-speed automatic | Rear-Wheel Drive | 14 / 18 / 16 | $4,200 | 555 |
| 4.2 L 6-cyl · 4-speed automatic | Rear-Wheel Drive | 14 / 19 / 16 | $4,200 | 555 |
| 4.2 L 6-cyl · 4-speed automatic | 4-Wheel or All-Wheel Drive | 14 / 19 / 16 | $4,200 | 555 |
| 4.2 L 6-cyl · 4-speed automatic | 4-Wheel or All-Wheel Drive | 14 / 19 / 16 | $4,200 | 555 |
| 4.2 L 6-cyl · 4-speed automatic | Rear-Wheel Drive | 13 / 18 / 15 | $4,450 | 593 |
| 5.3 L 8-cyl · 4-speed automatic | 4-Wheel or All-Wheel Drive | 13 / 17 / 14 | $4,800 | 635 |
Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.

Looking at a 2004 Ascender for sale?
Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.
Where to next
2004 Isuzu Ascender FAQ
How many recalls does the 2004 Isuzu Ascender have?
NHTSA lists 1 recall campaign: 05V198000 (lighting). Use NHTSA's VIN lookup to see whether a specific car was repaired.
What are the most common 2004 Isuzu Ascender problems?
Owners filed 64 complaints with NHTSA. Electrical system (34), Fuel system (10), Fuel/propulsion system (7) are mentioned most. These are owner reports, not verified findings.
What mpg does the 2004 Isuzu Ascender get?
EPA rates the 5.3 L 8-cyl · 4-speed automatic version at 14 city, 18 highway and 16 combined mpg. Other configurations are listed in the fuel economy section.
How does the 2004 Ascender compare with other years?
Among the 2003–2007 Isuzu Ascender model years at least five years old, the 2007 drew the fewest complaints (10) and the 2005 the most (64). The 2004 drew 64. Counts are owner reports, not failure rates.
How this page was madeSources, processing, limits, review and changes
Data sources
- NHTSA recalls by vehicle
Retrieved Oct 6, 2026 - US DOT recall completion rates (data.transportation.gov)
Retrieved Oct 6, 2026 - NHTSA ODI owner complaints
Retrieved Oct 6, 2026 - NHTSA NCAP 5-Star Safety Ratings
Retrieved Oct 6, 2026 - EPA fuel economy data (licence confirmation pending)
Retrieved Oct 6, 2026 - EIA weekly retail gasoline prices
Weekly, all taxes included
Processing
- Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
- Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.
Limitations
- Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
- Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
- Recent model years are still collecting reports.
Review
Data compiled automatically from the official files listed here.
Changelog
- 2026-10-06 Data refreshed from the official files.