The most-reported Ascender run is 4NUDS13S742 (2004 builds) with 5 complaints, 3.3× the typical run. Electrical system problems make up 36% of reports; 2004 is the worst model year at 1.5 complaints per run; NHTSA lists 12 recall campaigns for Ascender model years 2003–2008.
Which build runs owners report most
A production run is the first 11 characters of the VIN: plant, model year, body and engine. The Isuzu Ascender has 56 of them on record. The five runs at the top of this table hold 20% of every Ascender complaint on file.
| Production run (VIN 1–11) | Year | Complaints | Involved a crash | Fire |
|---|---|---|---|---|
| 4NUDS13S742•••••• | 2004 | — | — | |
| 4NUET16P632•••••• | 2003 | — | — | |
| 4NUES16SX46•••••• | 2004 | — | — | |
| 4NUET16S432•••••• | 2003 | — | — | |
| 4NUET16P532•••••• | 2003 | — | — | |
| 4NUDS13S642•••••• | 2004 | — | — | |
| 4NUES16S746•••••• | 2004 | — | — | |
| 4NUDT13S942•••••• | 2004 | — | — | |
| 4NUDT13S242•••••• | 2004 | — | — | |
| 4NUDS13S542•••••• | 2004 | — | 1 | |
| 4NUDT13SX42•••••• | 2004 | — | — | |
| 4NUDT13S842•••••• | 2004 | — | — |
Each of the other 44 Ascender runs has 2 complaints or fewer.
Which model years to check twice
Complaints per production run, so a year that simply sold more does not top the list. On the Isuzu Ascender the gap between build years is 1.1×: a 2004 car draws 1.5 complaints per run, a 2003 one 1.4.
| Year | Per run | Complaints | Runs | Crashes |
|---|---|---|---|---|
| 2004 | 54 | 35 | — | |
| 2003 | 29 | 21 | 2 |
Heaviest year here is 2004 at 1.5 complaints per run; lightest is 2003 at 1.4.
What to inspect on this car
One system accounts for 36% of everything Isuzu Ascender owners report: Electrical System, 34 of 83 complaints. Start the pre-purchase inspection there.
| System | Complaints | Involved a crash | Fire |
|---|---|---|---|
| Electrical System | — | 1 | |
| Fuel System | — | — | |
| Gasoline | — | — | |
| Exterior Lighting | — | — | |
| Service Brakes | 1 | — | |
| Visibility | — | 2 | |
| Power Train | — | — | |
| Fuel/propulsion System | — | — |
Recalls to check against your VIN
NHTSA has 12 recall campaigns on the Isuzu Ascender; the 6 below cover build years 2003 to 2008. These are for the model and year; whether one is still open on a given car, only that VIN can tell.
| Campaign | Component | Model years |
|---|---|---|
| 15V519000 | Exterior Lighting:headlights | 2006–2008 |
| 14V404000 | Visibility:power Window Devices And Controls | 2006–2007 |
| 12V406000 | Electrical System | 2006–2007 |
| 13V248000 | Electrical System | 2006–2007 |
| 05V198000 | Exterior Lighting:turn Signal | 2003–2004 |
| 05V455000 | Steering:hydraulic Power Assist:hose, Piping, And Connections | 2006 |
15V519000 was opened in 2015 on cars built from 2006: 9 years on the road before the recall.
How serious were they
Of the 83 reports on the Isuzu Ascender, 2.4% involved a crash against 5.8% across all vehicles, below the norm.
| Outcome | Isuzu Ascender | All vehicles |
|---|---|---|
| Complaints filed | 83 | 1,115,966 |
| Involved a crash | 2 (2.4%) | 64,194 (5.8%) |
| Involved a fire | 2 (2.4%) | 26,974 (2.4%) |
| Injuries reported | 1 | 58,013 |
| Deaths reported | 0 | 2,728 |
Crash-related reports run 59% below the all-vehicle rate.
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How this check works
The file behind this page holds 1,115,966 complaints filed with NHTSA between 1981 and 2026, across 298,921 production runs. The Isuzu Ascender share of that is 83 complaints over 56 runs, 0.01% of everything on record.
Frequently asked questions
How do I check a Isuzu Ascender VIN for free?
Enter the 17 characters above. ForCar matches the first eleven, the production run, against 83 NHTSA complaints from 56 Ascender runs and 12 recall campaigns. No account, no card.
Which Ascender production run has the most complaints?
4NUDS13S742, a 2004 build, with 5 complaints. The typical Ascender run has 1.5.
Which Ascender years have the most complaints?
Per production run, 2004 is heaviest at 1.5 complaints per run and 2003 lightest at 1.4.
How many Ascender complaints involve a crash?
2.4% of 83 reports, against 5.8% across all vehicles; 2 involved a fire.
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