Problems · NHTSA complaints

2001 Isuzu Trooper problems

Owners filed 29 complaints about the 2001 Isuzu Trooper with NHTSA between Jun 2001 and Jun 2021. The most-cited component is power train (9).

Complaints
29
Filed with NHTSA
Crashes
2
Reported by owners
Fires
0
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Power train9
  2. Engine and engine cooling8
  3. Service brakes, hydraulic6
  4. Vehicle speed control6
  5. Electrical system3
  6. Fuel system, gasoline3
  7. Tires2
  8. Service brakes, air1
  9. Fuel system, other1
  10. Engine1
  11. Exterior lighting1
  12. Suspension1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20011
20027
20034
20041
20056
20063
20072
20081
20090
20100
20111
20121
20130
20141
20150
20160
20170
20180
20190
20200
20211

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Power train

9 reports
“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 CONTROL OF THE BRAKES OR STEERING WHEEL, IT RAMMED INTO A CONCRETE PILLAR AND GOT COMPLETELY TOTALED. AIRBAGS OPENED AND FRONT DOORS JAMMED AND I HAD SLIDE TO THE BACK TO ESCAPE. LUCKILY, CAR DID NOT CATCH ON FIRE OR EXPLODE. ( POLICE REPORT VERIFY THAT AFTER CRASH, CAR STILL FOUND TO BE IN REVERSE GEAR AND SUPRISED HOW CAR MOVED TOWARDS THE FRONT). A WEEK AGO, PRIOR TO THIS FREAKY CRASH, ( LUCKILY NO MINORS, SENIORS, HOMELESS WHO USUALLY WALK IN THE PARKING LOT WERE NOT PRESENT, OTHERWISE, THERE WOULD HAVE BEEN MULTIPLE DEATHS) MY CAR DEALERSHIP HAD DONE WORK ON MY CAR FOR NEARLY $1000.00. AND THEY REPLACED MODE SWITCH FOR MY AUTOMATIC TRANSMISSION ( THERMOSTAT CHANGED; PISTON COVER CHANGED) AND DON'T KNOW WHAT ROLE IT PLAYED IN MY CAR'S CRASH. I AM PRETTY SURE ITS A MALFUNCTION . IT NEEDS TO BE ASSESSED AND FIGURED WHAT ROLE THE ABOVE INSTALLATION…”
Owner complaint to NHTSAFiled Jan 18, 2012Engine and engine cooling, Power trainODI 10444319

Engine and engine cooling

8 reports1 related recall
“2001 ISUZU TROOPER WITH FAULTY TRANSMISSION ACCUMULATOR AND BAD U-JOINT CUSTOMER STATES THAT THEY WANT US TO REVIEW THE SAFETY ISSUES**NAR**CC THE CONSUMER STATED HAVING 3 SEPARATE ISSUES WITH THE VEHICLE THE FIRST BEING A BAD U JOINT, THE SECOND BEING A FAULTY TRANSMISSION ACCUMULATOR AND THE THIRD WAS HAVING TO REPLACE A LONG ENGINE BLOCK. THE CONSUMER WAS ALSO INFORMED THE ELECTRICAL HYDRAULIC BRAKE SYSTEM NEEDED TO BE REPLACED. THE CONSUMER STATED RECENTLY REQUESTED A GOODWILL ADJUSTMENT AND WAS ULTIMATELY DENIED BY THE DEALER DUE TO THE FACT THE VEHICLE WAS 40,000 MILES OVER THE BASE WARRANTY.*TR”
Owner complaint to NHTSAFiled Aug 16, 2007Service brakes, hydraulic, Engine and engine cooling, Power trainODI 10200298

Service brakes, hydraulic

6 reports1 crash
“DT*: THE CONTACT STATED WHEN STOPPED DURING VARIOUS ROAD CONDITIONS, THE VEHICLE SHOOK AND DECELERATED TO 10 MPH. ALSO, ALL POWER FAILED, AND THE VEHICLE STALLED. IT WAS TOWED TO THE SERVICE DEALER, WHO REPLACED THE TRANSMISSION FOR THE THIRD TIME FOR THE SAME PROBLEMS. THE MANUFACTURER WAS CONTACTED.*AK THE DEALERSHIP STATED THE TRANSMISSION WAS LEAKING BURNT FLUID. THE RADIATOR HAD A LOW COOLING EFFICIENCY. THE ABS SENSOR HAD TO BE REPLACED. UPDATED 10/30/06. *JB”
Owner complaint to NHTSAFiled Sep 29, 2006Service brakes, hydraulic, Engine and engine cooling, Power trainODI 10169604

Vehicle speed control

6 reports1 crash
“DT: THE CONTACT STATED 2001 ISUZU TROOPER ACCELERATED WHILE IN REVERSE, THEN HE PUT THE CAR IN DRIVE, IT HESITATED AND SURGED FORWARD WHILE THE BRAKES WERE APPLIED. THE VEHICLE LEFT BLACK MARKS IN THE DRIVEWAY, WENT THROUGH THE GARAGE CANS AND THROUGH A FENCE IN THE BACKYARD. ALL THIS TIME THE BRAKES WERE BEING APPLIED. MEANWHILE ,THE VEHICLE STILL HAD A WIDE OPEN THROTTLE, AND WAS SPINNING IN THE GRASS. FINALLY, THE CONTACT WAS ABLE TO TURN OFF THE IGNITION. THERE WAS DAMAGE TO THE YARD AND FENCE. THE CONTACT CONTACTED ISUZU, AND THEY SAID IT WAS NOT SUPPOSE TO DO THAT. THE CAR SUSTAINED $5400.00 WORTH OF DAMAGE. NO POLICE REPORT WAS TAKEN. *AK”
Owner complaint to NHTSAFiled Oct 14, 2005Vehicle speed controlCrash reportedODI 10139657

Electrical system

3 reports
“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 INCLUDED IN THE CURRENT RECALL SO THAT I CAN GET REIMBURSED FOR THE REPAIRS. *JS”
Owner complaint to NHTSAFiled Dec 3, 2014Electrical system, Exterior lightingODI 10661923

Fuel system, gasoline

3 reports
“2001 ISUZU TROOPER FUEL TANK. CUSTOMER WANTS TO REIMBURSED FOR REPAIRS**CC THE GAS TANK HAD RUSTED THROUGH AND WAS LEAKING GAS. *JB”
Owner complaint to NHTSAFiled Feb 6, 2007Fuel system, gasolineODI 10182671
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.