2001 Isuzu Trooper problems & reliability
29 owner complaints filed with NHTSA for the 2001 Isuzu Trooper, alongside 1 safety recall campaign. 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.
Federal crash records (FARS 2020–2023): 2001 Isuzu Trooper vehicles were involved in 4 fatal crashes with 2 occupant deaths. 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 |
|---|---|---|
| Power Train | 9 | 31% |
| Engine and Engine Cooling | 8 | 28% |
| Service Brakes, Hydraulic | 6 | 21% |
| Vehicle Speed Control | 6 | 21% |
| Electrical System | 3 | 10% |
| Fuel System, Gasoline | 3 | 10% |
| Tires | 2 | 7% |
| Engine | 1 | 3% |
| Exterior Lighting | 1 | 3% |
| Fuel System, Other | 1 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“The contact owns a 2001 Isuzu Trooper. The contact stated while entering and starting the vehicle, he noticed an extreme heat in the interior of the vehicle coming from the engine. The contact proceeded to shift the gear into drive however, while his foot was still on the brake pedal the vehicle independently…”
Service Brakes, Air · filed Jun 11, 2021
“Low beam headlight switch stopped working. Only high beams worked. Had to have the headlight switch replaced at a cost of $500. I see that the same problem is currently being addressed and recalled on later model isuzu ascenders and gm vehicles. I believe isuzu used many gm parts in this trooper and it should be…”
Exterior Lighting · filed Dec 3, 2014
“My suv , isuzu trooper of 10years, was parked in a library parking garage and after ignition turned on, I put it in reverse gear to get out of the parking lot and the car rapidly reversed and before I could figure out and react, the car shot like a rocket towards the front , while still in reverse gear, and I had no…”
Power Train · filed Jan 18, 2012
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
46 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2001 Isuzu Trooper. 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 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
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5628 · Service Bulletin/Repair Instructions · issued Feb 18, 2019
This preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks using the evaporative emission cart smoke machine and ultrasonic leak detector tools.
PIP4925B · Service Bulletin/Repair Instructions · issued Dec 3, 2018
This Preliminary Information communication provides information to the technician about being unable to receive OnStar ?Over The Air? updates. Technician will need to press the OnStar button and verify they have an…
PIC6107A · Service Bulletin/Repair Instructions · issued Nov 21, 2018
This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original…
PIT5399A · Service Bulletin/Repair Instructions · issued May 23, 2018
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 2001 Isuzu Trooper has 1 NHTSA recall campaign — 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 2001 Isuzu Trooper?
- · 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.