2006 Isuzu Ascender problems & reliability
32 owner complaints filed with NHTSA for the 2006 Isuzu Ascender, alongside 6 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
1 complaint report injuries (1 injured).
Federal crash records (FARS 2020–2023): 2006 Isuzu Ascender vehicles were involved in 2 fatal crashes with 1 occupant death. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 9 | 28% |
| Fuel/propulsion System | 6 | 19% |
| Fuel System, Gasoline | 6 | 19% |
| Exterior Lighting | 4 | 13% |
| Electronic Stability Control (esc) | 2 | 6% |
| Engine and Engine Cooling | 2 | 6% |
| Fuel System, Other | 2 | 6% |
| Power Train | 2 | 6% |
| Unknown OR Other | 2 | 6% |
| Visibility | 2 | 6% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 19 reported components →Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Among the 28 complaints that included a usable odometer reading, the median reported incident mileage was 78,500 miles (middle 50% between 50,446 and 90,750 miles).
Complaints by incident year
What owners report
“Tl* the contact owns a 2006 isuzu ascender. The contact stated that the windshield wipers failed to shut off. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was approximately 109,000.”
Visibility/wiper · filed Mar 22, 2017
“Fuel gauge does not read correctly due to a bad sensor. Sensor is in fuel tank and estimate to fix is between $600 and $1000. Isuzu admits they have a defective part and would pay to replace if vehicle had less than 120000 miles and less than ten years in service. Vehicle has 80000 miles and ten years and eight months…”
Fuel/propulsion System · filed Sep 9, 2016
“Tl* the contact owns a 2006 isuzu ascender. The contact received notification of nhtsa campaign number: 15v519000 (exterior lighting). The dealer stated that they were no longer required to provide the recall repair and did not have the tools to provide the repair. The contact was uncertain of when the vehicle would…”
Exterior Lighting · filed Aug 24, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Loss of Headlights
Recall Query RQ17002 · opened Apr 24, 2017 · closed Mar 29, 2021
- Driver's Master Power Window Switch
Engineering Analysis EA12004 · opened Jun 11, 2012 · closed Jun 21, 2013 · led to recall 13V248000
Technical service bulletins
115 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2006 Isuzu Ascender. The 10 most recent:
This bulletin outlines the procedures for using the Alpine Exchange Program (the "Exchange Program"). The Exchange Program must be used when any Alpine radio or other component covered by this bulletin is repaired under…
IB13-R-001G · Service Bulletin/Repair Instructions · issued May 8, 2023
Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural recommendations to improve dealer efficiency when submitting Parts Warranty claims. We strongly recommend dealers follow these…
WB13-X-001B · Service Bulletin/Repair Instructions · issued Aug 30, 2022
Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural recommendations to improve dealer efficiency when submitting Parts Warranty claims. We strongly recommend dealers follow these…
WB13-X-001A · Service Bulletin/Repair Instructions · issued Aug 2, 2022
The Isuzu Commercial Truck of America (ICTA) Service Technical Assistance Center (TAC) provides diagnostic support to Isuzu dealer technicians repairing Isuzu vehicles in and out of vehicle warranty. A TAC case number…
IB09-X-004C · Service Bulletin/Repair Instructions · issued Jul 20, 2022
The following is a list of the Isuzu-recommended Threebond product part numbers identified in the various Isuzu Workshop Manuals and bulletins. If a Threebond product is unavailable, we recommend that you utilize the…
IB09-X-002B · Service Bulletin/Repair Instructions · issued Jul 20, 2022
This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
22NA009 · Service Bulletin/Repair Instructions · issued Jan 11, 2022
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle…
16NA338 · Service Bulletin/Repair Instructions · issued Oct 14, 2019
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe…
PIT5074L · Service Bulletin/Repair Instructions · issued Jun 3, 2019
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIC5260C · Service Bulletin/Repair Instructions · issued Apr 23, 2019
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from…
PIP5540D · Service Bulletin/Repair Instructions · issued Feb 19, 2019
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2006 Isuzu Ascender has 6 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2006 Isuzu Ascender?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Among complaints with usable mileage, the median reported incident mileage was 78,500 miles. This does not predict when a particular vehicle will develop a problem.