Total Complaints
42 filings
ISUZU TROOPER · model year
42 NHTSA complaints, 2 crash reports, and 1 active recall for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2001ISUZUTROOPER carries 42 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 2 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2001 TROOPER is vehicle speed control with 5 filings, followed by power train:automatic transmission (5) and engine and engine cooling:engine (3). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability. This model year has 1 active recall campaign, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle — the full NHTSA campaign numbers are listed below.
NHTSA currently has 1 investigation file overlapping the 2001 TROOPER. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
42 filings
Crashes Reported
2 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| VEHICLE SPEED CONTROL | 5 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 5 |
| ENGINE AND ENGINE COOLING:ENGINE | 3 |
| ELECTRICAL SYSTEM | 3 |
| FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM | 2 |
| POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL) | 2 |
| TIRES | 2 |
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | 2 |
| ENGINE AND ENGINE COOLING | 2 |
| POWER TRAIN | 2 |
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT | 1 |
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE | 1 |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 1 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS | 1 |
| SUSPENSION | 1 |
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES EQUIPPED WITH 4-WHEEL DRIVE AND AUTOMATIC TRANSMISSIONS BUILT WITH TOD (TORQUE-ON-DEMAND). IN CERTAIN HIGH SPEED, FRONTAL CRASHES, MOVEMENT OF ENGINE COMPARTMENT COMPONENTS CAN CAUSE THE POTENTIAL FOR FUEL LEAKAGE.
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 accelerated. The contact had to pulled up the parking brake to stop the vehicle. The contact stated that the failure recurred several times afterwards. The contact took the vehicle to an independent mechanic who diagnosed the failure as a bypass for the fuel line and brake line failure that needed to be replaced however, the mechanic was unable to determine the cause for the heat entering the vehicle from the engine. The mechanic was able repair the vehicle however, the contact was concerned that the heat coming from the engine would eventually destroy the engine and the vehicle would need to be replaced. The manufacturer was not made aware of the failure. The approximate failure
Mileage: 101,000
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 accelerated. The contact had to pulled up the parking brake to stop the vehicle. The contact stated that the failure recurred several times afterwards. The contact took the vehicle to an independent mechanic who diagnosed the failure as a bypass for the fuel line and brake line failure that needed to be replaced however, the mechanic was unable to determine the cause for the heat entering the vehicle from the engine. The mechanic was able repair the vehicle however, the contact was concerned that the heat coming from the engine would eventually destroy the engine and the vehicle would need to be replaced. The manufacturer was not made aware of the failure. The approximate failure
Mileage: 101,000
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 accelerated. The contact had to pulled up the parking brake to stop the vehicle. The contact stated that the failure recurred several times afterwards. The contact took the vehicle to an independent mechanic who diagnosed the failure as a bypass for the fuel line and brake line failure that needed to be replaced however, the mechanic was unable to determine the cause for the heat entering the vehicle from the engine. The mechanic was able repair the vehicle however, the contact was concerned that the heat coming from the engine would eventually destroy the engine and the vehicle would need to be replaced. The manufacturer was not made aware of the failure. The approximate failure
Mileage: 101,000
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
Mileage: 108,000
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
Mileage: 108,000
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;
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;
I WAS DRIVING DOWN THE HIGHWAY DOING 60 MILES AN HOUR WHEN MY "BRIDGESTONE TIRE" SEPARATED AT THE TREAD AND PEELED OFF LIKE A BANANA AND I THOUGHT I WAS GOING TO CRASH! THE TIRE STAYED INTACT AND THE BANDS WITH NO DEFLATION". I AM CONCERNED THAT THIS TIRE WILL BE OR WAS A RECALL. NO ACCIDENT LUCKILY, NO INJURY, LUCKILY BECAUSE IT WAS ON THE BACK PASSENGER. IF IT WAS ON THE FRONT I WOULD OF BEEN SCREWED FOR I WAS MAKING A 60 MILE AN HOUR CURVE ON THE HIGHWAY WITH FREQUENT TRAFFIC RUSH HOUR WITH A TOP HEAVY "ISUZU-TROOPER". THIS TIRE NEEDS TO BE INVESTIGATED!!!!! NEVER , AT AGE 46 , SEEN A TIRE PEEL THE TREAD OFF THE RADIAL BELT LIKE THIS LIKE A RETREAD! MUST SOMEONE DIE OR BE HURT BEFORE "BRIDGESTONE" IS HELD ACCOUNTABLE LIKE IN THE YEAR 2000 WHEN THEY HAD MULTIPLE DEATHS AND LAWSUITS? THANK YOU , PLEASE HELP. *TR
Mileage: 100,000
WHEN YOU STOP AT STOP SIGN OR LIGHT THE TRANSMISSION SHIFTS INTO NEUTRAL. WHENEVER YOU PUSH ON THE ACCELERATOR IT JERKS AND TAKES OFF. SOMETIMES IT TAKES A FEW MINUTES TO SHIFT IN GEAR. IT IS IN THE SHOP RIGHT NOW. THE MECHANIC SAID IT HAS TRANSMISSION PROBLEMS. *TR
Mileage: 80,000
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
Mileage: 87,300
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
Mileage: 87,300
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
Mileage: 87,300
2001 ISUZU TROOPER FUEL TANK. CUSTOMER WANTS TO REIMBURSED FOR REPAIRS**CC THE GAS TANK HAD RUSTED THROUGH AND WAS LEAKING GAS. *JB
WE HAVE HAD TO ADD 1-2 QTS OF OIL EVERY COUPLE THOUSAND MILES ALTHOUGH WE DID NOT SEE AN OIL LEAK (NO MARKS ON THE DRIVEWAY) MECHANIC COULD FIND NO OIL LEAK OR PROBLEM OUR CHECK ENGINE LIGHT HAS BEEN ON,AND MECHANIC SAID WE NEEDED EMISSIONS SENSOR REPLACED. WE DID REPLACE IT. ON OUR WAY TO THANKSGIVING IN OKLAHOMA FROM MICHIGAN OUR ENGINE BLEW ! WE ARE NOW WITHOUT THAT VEHICLE BUT STILL MAKING PAYMENTS. A DEALERSHIP IN TULSA SAID THAT THOSE ENGINES ARE REPLACED A LOT AT HIS SHOP DUE TO THIS PROBLEM. HE SAID THAT THERE IS CARBON BUILD UP IN THE VALVE THAT GOES TO THE ENGINE CAUSING THE OIL TO BURN UP. AFTER SO LONG OF IT BEING BUILT UP IT GETS CLOGGED AND ENDS UP BLOWING. HE SAID IF WE HAD BEEN TAKING THE CAR TO AN ISUZU DEALER TO GET THE OIL CHANGED THEY KNOW ABOUT IT AND CAN CLEAN IT. PROBLEM FOR US IS THERE ISN'T AN ISUZU DEALER IN THE CITY WE LIVE IN SO WE DIDN'T HAVE A CHANCE. I BELIEVE ISUZU SHOULD HAVE SENT A LETTER TO TROOPER OWNERS NOTIFYING THEM OF THIS DEFECT SO AS NOT TO HA
Mileage: 100,000
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
Mileage: 80,000
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
Mileage: 80,000
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
Mileage: 80,000
MASSIVE OIL CONSUMPTION PROBLEM. VEHICLE BURNT ABOUT ONE QUART OF OIL EVERY 1000 MILES. FILLED VEHICLE WITH FUEL AND CHECKED OIL. TOOK 3 HR TRIP. ON THE WAY HOME ENGINE STARTED KNOCKING CHECKED OIL AND IT WAS DRY. NO LOW OIL WARNING LIGHT OR ANYTHING. EVERY SHOP AND ISUZU DEALER SAYS MUST HAVE NEW ENGINE $6500 DOLLARS. VEHICLE ONLY HAS 85,000 MILES. 2ND OWNER SINCE 21,000 MILES. WARRANTY FOR SECOND OWNER IS 60,000 MILES ORIGINAL OWNER 100,000 MILES. NO ENGINE HAS BEEN REPLACED COST TO MUCH MONEY. VEHICLE IS STILLING IN DRIVEWAY. *NM
Mileage: 85,000
I OWN A 2001 ISUZU TROOPER THAT STARTED USING EXCESSIVE OIL (1+ QUARTS EVERY 1000 MILES) AT 54,000 MILES. I HAVE FOUND NUMEROUS COMPLAINTS ABOUT THIS STARTING WHEN ISUZU INTRODUCED THE 3.5L V6 ENGINE. MY RESEARCH HAS SHOWN THE PROBLEM TO BE A BAD DESIGN CHANGE OF THE OIL RING NOT ALLOWING OIL TO DRAIN PROPERLY. ISUZU IS TERRIBLE TO WORK WITH AND FIGHTS TO NOT HONOR WARRANTIES. WHY HAS THIS NOT BEEN INVESTIGATED BY NHTSA AFTER ALL THE COMPLAINTS RECEIVED ABOUT THIS PROBLEM? ISUZU HAS TERRIBLE CUSTOMER RELATIONS AND DOES NOT STAND BEHIND THEIR VEHICLES WHEN THERE IS A PROBLEM. STILL BATTLING WITH ISUZU AND BBB.*JB
Mileage: 54,000
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
Mileage: 36,000
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.