ISUZU ASCENDER · model year

2003 ISUZU ASCENDER

47 NHTSA complaints, 2 crash reports, and 5 active recalls for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2003ISUZUASCENDER carries 47 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, 3 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 2003 ASCENDER is electrical system with 6 filings, followed by exterior lighting:headlights (5) and service brakes, hydraulic:antilock/traction control/electronic limited slip (2). 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 5 active recall campaigns, 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 5 investigation files overlapping the 2003 ASCENDER. 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.

47
Complaints
2
Crashes
0
Fires
3
Injuries
0
Deaths

Total Complaints

47 filings

Crashes Reported

2 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
ELECTRICAL SYSTEM6
EXTERIOR LIGHTING:HEADLIGHTS5
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP2
ELECTRICAL SYSTEM:IGNITION:SWITCH2
FUEL SYSTEM, GASOLINE2
STRUCTURE:BODY:DOOR1
SEATS:MID/REAR ASSEMBLY1
VISIBILITY:GLASS, SIDE/REAR1
ENGINE AND ENGINE COOLING:ENGINE1
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR1
ELECTRICAL SYSTEM:12V/24V/48V BATTERY1
POWER TRAIN:AXLE ASSEMBLY1
POWER TRAIN:DRIVELINE1
SEAT BELTS:FRONT:BUCKLE ASSEMBLY1
STEERING:HYDRAULIC POWER ASSIST:PUMP1

Recalls (5)

05V49400027/10/2005

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

CERTAIN SPORT UTILITY VEHICLES HAVE A REAR SIDE CLOSURE LATCH THAT MAY NOT LATCH OR UNLATCH DUE TO CORROSION CAUSED BY ROAD SPLASH, SUCH AS WATER AND ROAD SALT. THESE VEHICLES WERE ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE FOLLOWING STATES: CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, M

03V26900021/07/2003

EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEM." THE OWNER'S MANUAL DOES NOT EXPLAIN THE MEANING OF THE LOCATION SYMBOLS FOR THE LOWER UNIVERSAL ANCHORAGE SYSTEM.

03V21300005/06/2003

POWER TRAIN:AUTOMATIC TRANSMISSION

CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 114, "THEFT PROTECTION." THESE VEHICLES ARE EQUIPPED WITH A MECHANICAL OVERRIDE THAT COULD ALLOW THE IGNITION KEY TO BE REMOVED WITH THE SHIFT LEVER IN A POSITION OTHER THAN PARK. IN AD

05V19800005/05/2005

EXTERIOR LIGHTING:TURN SIGNAL

ON CERTAIN TRUCKS AND SPORT UTILITY VEHICLES, THE DRIVER WISHING TO SIGNAL A TURN BY MOVING THE DIRECTIONAL SIGNAL LEVER, (UP OR DOWN) MAY CAUSE THE FRONT MARKER/TURN LIGHTS AND REAR TURN LIGHTS TO FLASH IN A MANNER SIMILAR TO HAZARD WARNING, RATHER THAN FLASHING ON THE DESIRED SIDE ONLY.

04V06100004/02/2004

VISIBILITY:WINDSHIELD WIPER/WASHER

CERTAIN SPORT UTILITY VEHICLES HAVE WINDSHIELD WIPER SYSTEMS THAT WILL NOT TURN ON, CEASE OPERATION WHILE IN USE, FAIL TO TURN OFF/ON BY THEMSELVES (MOISTURE SENSITIVE WIPER SYSTEM), OR HAVE CONTINUOUS WINDSHIELD WASHER PUMP OPERATION BECAUSE THE PRESENCE OF WATER WITHIN THE WIPER MODULES CAN EITHER

Recent Complaints

20131105SERVICE BRAKES

TL* THE CONTACT OWNS A 2003 ISUZU ASCENDER. THE CONTACT STATED THAT UPON INSPECTION, IT WAS FOUND THAT THE BRAKE LINE WAS PERFORATED DUE TO RUST. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHERE THE FAILURE WAS CONFIRMED. THE VEHICLE WAS BEING REPAIRED. THE MANUFACTURER WAS CONTACTED AND INFORMED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN THE MANUFACTURER'S RECALL. THE FAILURE MILEAGE WAS 102,000.

Mileage: 102,000

20100906ELECTRICAL SYSTEM

SERVICE BULLETIN OR RECALL 2003 ISUZU ASCENDER. PROBLEM KEY STUCK IN THE IGNITION CAN NOT REMOVE SEEMS TO BE NORMAL PROBLEM FOR THIS MAKE AND MODEL . L HAVE BEEN READING THROUGH FORUM COMPLAINTS ON THE INTERNET. I AM CURIOUS IF THERE HAS BEEN A RECALL AND IF NOT WHY NOT. CAR COULD BE CAR JACK OR STOLEN BY NOT ABLE TO REMOVE THE KEY FROM THE IGNITION. THIS HAS BEEN A INTERMITTENT PROBLEM. *TR

Mileage: 76,000

20091111STEERING

POWER STEERING LINES FROM THE PUMP (HIGH PRESSURE AND RETURN LINES) ARE CORRODING AND NOW LEAKING. *TR

Mileage: 80,000

20090924ENGINE AND ENGINE COOLING

TL* THE CONTACT OWNS A 2003 ISUZU ASCENDER. HE STATED THAT INTERMITTENTLY WHILE DRIVING 50 MPH THE "SES" AND "CHECK ENGINE" WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL, THEN THE VEHICLE STALLED. AS A CONSEQUENCE, THE RISK FOR A VEHICLE CRASH WAS INCREASED. THE VEHICLE WAS TOWED TO A DEALER AND REPAIRED TEN TIMES; HOWEVER, THE REPAIRS HAVE NOT REMEDIED THE FAILURE. THE VEHICLE IDENTIFICATION NUMBER WAS UNAVAILABLE. THE FAILURE AND CURRENT MILEAGES WERE UNKNOWN.

20090920ELECTRICAL SYSTEM

HEATER/AC FAN KEPT GOING OUT. WAS TOLD IT WAS RELAY SWITCH. AFTER SEVERAL REPLACEMENTS, WAS TOLD IT WAS A FAULT IN THE IGNITION. IGNITION WAS REPLACED. FAN NOW WORKS. NOW HEADLIGHTS GO OUT INTERMITTENTLY. TECH'S CAN'T FIGURE OUT WHY. *TR

20090920EXTERIOR LIGHTING

HEATER/AC FAN KEPT GOING OUT. WAS TOLD IT WAS RELAY SWITCH. AFTER SEVERAL REPLACEMENTS, WAS TOLD IT WAS A FAULT IN THE IGNITION. IGNITION WAS REPLACED. FAN NOW WORKS. NOW HEADLIGHTS GO OUT INTERMITTENTLY. TECH'S CAN'T FIGURE OUT WHY. *TR

20090920STRUCTURE

WHILE TRYING TO RELEASE THE FULL-SIZED SPARE TIRE, THE CABLE HOLDING IT UP BROKE CAUSING THE TIRE TO UNEXPECTEDLY FALL. *TR

20090920TIRES:TEMPORARY/EMERGENCY SPARE TIRE

WHILE TRYING TO RELEASE THE FULL-SIZED SPARE TIRE, THE CABLE HOLDING IT UP BROKE CAUSING THE TIRE TO UNEXPECTEDLY FALL. *TR

20090909ELECTRICAL SYSTEM

WHEN YOU GO TO PUT GEAR SELECTOR INTO PARK THE IGNITION KEY GETS STUCK TEMPORARILY ON MY ISUZU ASCENDER 2003 . SOMETIMES I HAVE TO WAIT 1 MIN OR SOMETIMES 10 MIN. TO GET THE KEY OUT .IF YOU LISTEN REAL CLOSE YOU CAN HERE A ELECTRONIC CLICK .THIS JUST STARTED ABOUT 2 MONTHS AGO. I AM WORRIED ABOUT LEAVING THE VEHICLE WITH THE KEY IN THE IGNITION. IT COULD BE STOLEN OR EVEN CAR JACK. *TR

Mileage: 43,000

20081109FUEL SYSTEM, GASOLINE

SMELL OF GASOLINE AND DRIPPING UNDERNEATH REAR BENEATH FUEL TANK (DRIVER'S SIDE), WHEN STARTING. PROBLEM WAS FOUND TO BE THE FUEL PUMP MODULE AT THE LINE :OUTPUT SIDE OF PUMP. REPLACED FUEL PUMP MODULE AND RING. PARTS AND PICS AVAILABLE. *TR

Mileage: 55,371

20080817FUEL SYSTEM, GASOLINE

GAS ODOR AND GASOLINE DRIPPING BENEATH FUEL TANK WHEN PARKED. *TR

Mileage: 50,000

20080817LATCHES/LOCKS/LINKAGES

REAR PASSENGER DOORS WILL NOT LATCH CLOSE. REMOVED AND REPLACED BOTH RUSTY LATCHES. *TR

Mileage: 50,000

20080418EXTERIOR LIGHTING:HEADLIGHTS

AT NIGHT WHILE DRIVING THE LOW BEAMS HEADLIGHTS TURN OFF AND AFTER A FEW MINUTES TURN BACK ON. THE HIGH BEAMS WORK WHEN THE LIGHTS GO OUT AND WE HAVE TO TURN THEM ON TO HAVE HEADLAMPS. THE DAYTIME RUNNING LIGHTS DON'T SEEM TO BE AFFECTED BY THE PROBLEM DURING THE DAY. PROBLEM HAPPENS ONLY AT NIGHT. *TR

Mileage: 48,000

20080204POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

I WAS DRIVING ON 1-88W BOUND ON 2-1-2008, MY CAR STARTED TO MAKE SQUEAKING NOISE AND VERY HARD TO DRIVE. LUCKILY, 2 BLOCKS FROM RT 31 EXIT, THERE WAS A FIRESTONE AUTO CARE, THE MECHANIC WAS ABLE TO DETERMINED THAT THE FRONT AXEL BROKE AND IT IS AFFECTING THE DIFFERENTIAL. THE CAR WAS THEN TOWED TO ISUZU DEALER IN ELGIN THE NEXT DAY.THE MECHANIC FROM BIGGER ISUZU CALLED MONDAY, 2-5-07, CLAIMING THAT THE FRONT DIFFERENTIAL NEED TO BE REPLACED BECAUSE OF LACK OF GEAR OIL. COST--$4,800 TO BE REPAIRED. THE CAR MILEAGE WAS 77,000 MILES. I CALLED ISUZU TO COMPLAINED AND THEY SAID, THEY WON'T BE RESPONSIBLE FOR THE REPAIR. I WENT TO NHTSA, THERE WAS A TECHNICAL SERVICE BULLETIN REGARDING 2003 ISUZU ASCENDER POWER TRAIN-DRIVE DIFFERENTIAL. NHTSA ITEM #10016589 AND SERVICE BULLETIN #0507002. DATE OF BULLETIN 08/01/2005. *TR

20071109EXTERIOR LIGHTING:HEADLIGHTS

WHILE DRIVING AT NIGHT THE DIM HEAD LIGHTS GO OFF FOR NO REASON,THIS HAPPENS EVERY TWO DAYS OR SO , SO I HAVE TO DRIVE WITH BRIGHT LIGHTS (WHICH BLINDS ON COMING TRAFFIC) ON FOR ABOUT SIX OR SEVEN MILES BEFORE THE LOW BEAMS START WORKING AGAIN. DEALERSHIP CAN'T SEEM TO DUPLICATE PROBLEM, SO NOTHING HAS BEEN DONE YET. *TR

Mileage: 50,000

20070809EXTERIOR LIGHTING:TURN SIGNAL

TL*THE CONTACT OWNS A 2003 ISUZU ASCENDER. THE CONTACT STATED THAT THE PASSENGER SIDE TAIL LIGHT WORKED INTERMITTENTLY. THE MANUFACTURER STATED THAT HIS VIN WAS NOT INCLUDED IN NHTSA RECALL # 05V198000 (EXTERIOR LIGHTING:TURN SIGNAL). THE CURRENT MILEAGE WAS 59,000 AND FAILURE MILEAGE WAS 49,000.

Mileage: 49,000

20070713FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY

I PURCHASED A NEW 2003 ISUZU ASCENDER IN SEPT. 2003. WHEN THE VEHICLE HAD APPROXIMATELY 500 MILES ON THE ODOMETER THE SERVICE ENGINE SOON (SES) LIGHT CAME ON. WE TOOK THE SUV TO AN ISUZU DEALER WHERE I WAS TOLD THAT I HAD IMPROPERLY PUT THE GAS CAP ON AND THAT IS WHY THE SES LIGHT CAME ON. WITHIN A WEEK THE SES LIGHT CAME ON AGAIN. MY HUSBAND TOOK THE CAR BACK TO THE DEALER WHERE THE VEHICLE WAS THOROUGHLY CHECKED AND THE ISUZU DEALER FOUND A LEAK IN THE FUEL TANK. THE TANK WAS REPLACED AFTER A LENGTHY WAIT FOR THE PROPER PARTS. WE THOUGHT THE PROBLEM WAS SOLVED. JULY 2, 2007 WE RECEIVED A RECALL NOTICE FROM ISUZU STATING THAT THE SES LIGHT MAY COME ON AFTER FUELING AND THAT YOU MAY SMELL A FUEL ODOR. WE BROUGHT THE SUV TO AN ISUZU DEALER ON JULY 5. THE SERVICE STAFF FOUND 2 LEAKS IN THE TANK. IT IS NOW JULY 13, 2007 AND THE CAR IS STILL AT THE DEALERSHIP BECAUSE THEY ARE UNABLE TO GET A TANK FOR THE SUV. THE DEALERSHIP WILL NOT ALLOW US TO DRIVE THE SUV OFF THE LOT BECAUSE OF

Mileage: 30,000

20070713FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP

I PURCHASED A NEW 2003 ISUZU ASCENDER IN SEPT. 2003. WHEN THE VEHICLE HAD APPROXIMATELY 500 MILES ON THE ODOMETER THE SERVICE ENGINE SOON (SES) LIGHT CAME ON. WE TOOK THE SUV TO AN ISUZU DEALER WHERE I WAS TOLD THAT I HAD IMPROPERLY PUT THE GAS CAP ON AND THAT IS WHY THE SES LIGHT CAME ON. WITHIN A WEEK THE SES LIGHT CAME ON AGAIN. MY HUSBAND TOOK THE CAR BACK TO THE DEALER WHERE THE VEHICLE WAS THOROUGHLY CHECKED AND THE ISUZU DEALER FOUND A LEAK IN THE FUEL TANK. THE TANK WAS REPLACED AFTER A LENGTHY WAIT FOR THE PROPER PARTS. WE THOUGHT THE PROBLEM WAS SOLVED. JULY 2, 2007 WE RECEIVED A RECALL NOTICE FROM ISUZU STATING THAT THE SES LIGHT MAY COME ON AFTER FUELING AND THAT YOU MAY SMELL A FUEL ODOR. WE BROUGHT THE SUV TO AN ISUZU DEALER ON JULY 5. THE SERVICE STAFF FOUND 2 LEAKS IN THE TANK. IT IS NOW JULY 13, 2007 AND THE CAR IS STILL AT THE DEALERSHIP BECAUSE THEY ARE UNABLE TO GET A TANK FOR THE SUV. THE DEALERSHIP WILL NOT ALLOW US TO DRIVE THE SUV OFF THE LOT BECAUSE OF

Mileage: 30,000

20070628POWER TRAIN:CLUTCH ASSEMBLY

THE 2003 ISUZU ASCENDER IS THE SAME VEHICLE AS A CHEVROLET TRAILBLAZER AND GMC ENVOY. AT APPROXIMATELY 51,000 MILES AND OUT OF WARRANTY. THE FAN CLUTCH MOTOR HAD TO BE REPLACED. I HAD TO ASSUME FULL PAYMENT TO REPLACE IT. NOW, THE TRUCK SOUNDED LIKE THE UNDERCARRIAGEWAS RATTLING. HAD IT TO A MECHANIC, AND THE MECHANIC STATED THAT I MUST HAVE BEEN THE SWAY BAR LINKS REPLACED IN THE VEHICLE. UPON FURTHER DISCUSSION THE MECHANIC DETERMINE D THAT HE HAD TO REPLACE THEM ON THE TRAILBLAZER , AND THE SERVICE MANAGER HAD TO HAVE THEM REPLACED ON THE ENVOY, BOTH WITH THE SAME PLATFORM. THIS SEEMED TO BE A DESIGN PROBLEM THAT GM AND ITS AFFILIATES SHOULD BE RESPONSIBLE FOR REPLACING. *AK

20070628SUSPENSION:REAR

THE 2003 ISUZU ASCENDER IS THE SAME VEHICLE AS A CHEVROLET TRAILBLAZER AND GMC ENVOY. AT APPROXIMATELY 51,000 MILES AND OUT OF WARRANTY. THE FAN CLUTCH MOTOR HAD TO BE REPLACED. I HAD TO ASSUME FULL PAYMENT TO REPLACE IT. NOW, THE TRUCK SOUNDED LIKE THE UNDERCARRIAGEWAS RATTLING. HAD IT TO A MECHANIC, AND THE MECHANIC STATED THAT I MUST HAVE BEEN THE SWAY BAR LINKS REPLACED IN THE VEHICLE. UPON FURTHER DISCUSSION THE MECHANIC DETERMINE D THAT HE HAD TO REPLACE THEM ON THE TRAILBLAZER , AND THE SERVICE MANAGER HAD TO HAVE THEM REPLACED ON THE ENVOY, BOTH WITH THE SAME PLATFORM. THIS SEEMED TO BE A DESIGN PROBLEM THAT GM AND ITS AFFILIATES SHOULD BE RESPONSIBLE FOR REPLACING. *AK

Compare 2003ISUZUASCENDER to Similar Vehicles

NHTSA Investigations

Frequently Asked Questions

How many complaints does the 2003 ISUZU ASCENDER have?
The 2003 ISUZU ASCENDER has 47 NHTSA complaints, 2 crashes, 0 fires, 3 injuries, and 0 deaths reported.
Are there any recalls for the 2003 ISUZU ASCENDER?
Yes, the 2003 ISUZU ASCENDER has 5 recall(s). The most common affected component is LATCHES/LOCKS/LINKAGES:DOORS:LATCH. Recalls are issued by NHTSA and manufacturers must provide a free remedy.
What are the most common problems with the 2003 ISUZU ASCENDER?
The most-complained component for the 2003 ISUZU ASCENDER is ELECTRICAL SYSTEM with 6 complaints. Other frequently reported areas include EXTERIOR LIGHTING:HEADLIGHTS and SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP.
Is the 2003 ISUZU ASCENDER safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

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.