I SWERVED TO MISS CAR CROSSING CENTER LINE AT WHICH TIME THE SIDE AIRBAG DEPLOYED UNEXPECTEDLY. THERE WERE NO COLLISIONS OR INJURIES, JUST THE UNEXPECTED AIR BAG DEPLOYMENT. *TR
2005 Isuzu Ascender
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2005 Isuzu Ascender do not stand out strongly from the model-year median of 32.
About this comparison →How this year compares
Owner complaints by model year
Compare all Ascender years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
55 reports with mileage · 9 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 27 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Fuel System, Gasoline. Review the 14 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Air Bags. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
64 reports2005 ISUZU ASCENDER GAS TANK WHEN FILLED REGISTER EMPTY. *TR
TL* THE CONTACT OWNS A 2005 ISUZU ASCENDER. THE CONTACT STATED THE FUEL LEVEL GAUGE WOULD DISPLAY INACCURATE FUEL LEVELS. WHEN FILLING THE VEHICLE WITH GASOLINE, THE FUEL LEVEL INDICATOR WOULD REGISTER THE FUEL TANK AS EMPTY. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR A DIAGNOSIS OF THE FAILURE OR REPAIRS. THE MANUFACTURER WAS …
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TL* THE CONTACT OWNS A 2005 ISUZU ASCENDER. THE CONTACT STATED THE FUEL LEVEL GAUGE WOULD DISPLAY INACCURATE FUEL LEVELS. WHEN FILLING THE VEHICLE WITH GASOLINE, THE FUEL LEVEL INDICATOR WOULD REGISTER THE FUEL TANK AS EMPTY. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR A DIAGNOSIS OF THE FAILURE OR REPAIRS. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE AND CURRENT MILEAGES WERE 80,000.
GAS GAUGE DOES NOT FUNCTION PROPERLY ON A 2005 ISUZU ASCENDER. *TR
MY 2005 ISUZU ASCENDER (GM TRAILBLAZER) HAS CRAZY SPEEDOMETER IN IT DOES NOT WORK FIRST THING IN THE MORNING UNTIL I HAVE DRIVEN A COUPLE OF MILES. IT HAS ALSO JUST GOT STUCK ON 72 MPH AND JUST STAYED THERE EVEN AFTER TURNING IT OFF. THE VEHICLE HAS 52,000 MILES ON IT AND OF COURSE JUST OUT OF WARRANTY. *TR
MY ISUZU SPEEDOMETER STOPPED WORKING. I TOOK IT TO THE DEALER AND THEY SAID THAT IT WAS NOT A RECALL ISSUE. I CANT SEE HOW SOMETHING LIKE THAT IS NOT MY CAR ONLY HAS 70,000 MILES ON IT AND SHOULD NOT BE HAVING PROBLEMS LIKE THAT.
DECEMBER 22ND MY SON WAS DRIVING THE FAMILY ISUZU ASCENDER, (BASICALLY AN UPSCALE RE-BADGED CHEVROLET TRAILBLAZER) WHEN WITHOUT ANY WARNING ALL THE SIDE AIRBAGS DEPLOYED. FORTUNATELY HE WAS ABLE TO SAFELY STOP THE VEHICLE, ALBEIT HE WAS SEVERELY STUNNED, DAZED, AND HIGHLY CONFUSED FROM THE ABRUPT EXPLOSION, AND VIOLENT FORCEFUL…
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DECEMBER 22ND MY SON WAS DRIVING THE FAMILY ISUZU ASCENDER, (BASICALLY AN UPSCALE RE-BADGED CHEVROLET TRAILBLAZER) WHEN WITHOUT ANY WARNING ALL THE SIDE AIRBAGS DEPLOYED. FORTUNATELY HE WAS ABLE TO SAFELY STOP THE VEHICLE, ALBEIT HE WAS SEVERELY STUNNED, DAZED, AND HIGHLY CONFUSED FROM THE ABRUPT EXPLOSION, AND VIOLENT FORCEFUL PROJECTION OF THE BAGS. WE CONTACTED OUR INSURANCE CARRIER AMERIPRISE, AND FILED A DAMAGE CLAIM (REP 888-404-5365 EXT. 6555 ). A FIELD ADJUSTER CAME TO OUR HOME WHERE WE HAD THE VEHICLE TOWED, AND EXAMINED THE CAR FOR POSSIBLE IMPACT OR AN UNKNOWN COLLISION. CONSEQUENTLY SINCE THE AIRBAG DAMAGE WAS APPARENTLY NOT THE RESULT OF AN ACCIDENT; THE INSURANCE COMPANY DENIED OUR CLAIM AND REFERRED US TO ISUZU FOR SATISFACTION. WE CALLED ISUZU AMERICA OWNER RELATIONS SEEKING SOME ASSISTANCE (REP 800-255-6727 EXT 272) HOWEVER WE WERE TOLD WE NEEDED TO TOW THE VEHICLE 54 MILES TO THE NEAREST DEALERSHIP. ONCE IT ARRIVED AT THE REPAIR FACILITY, WE COULD HAVE THE SUV AIRBAG DIAGNOSTIC SYSTEM COMPLETELY CHECKED FOR CAUSE. OF COURSE EVEN THOUGH WE HAD BEEN TOLD DIFFERENTLY BY ISUZU AMERICA, THE COST BURDEN WAS COMPLETELY AT OUR EXPENSE. ELK GROVE VW (916-405-2643 REP) RAN A DIAGNOSTIC OF THE SYSTEM, AND CONCLUDED THERE WAS A 'GLITCH IN THE SYSTEM'; AND THIS MALFUNCTION RESULTED IN THE AIRBAG DEPLOYMENT, AND THE SEATBELT MECHANISM TO LOCK. THE REPAIR COST OF THE GLITCH ALONE, WILL COST US IN EXCESS OF $5600. IN ADDITION TO THE DIAGNOSTIC AND TOW. OUR INSURANCE COMPANY IS NOT A FURTHER RESOURCE FOR ASSISTANCE, AND ISUZU IS ASSUMING NO RESPONSIBILITY, BASED SOLELY ON THE VEHICLE BEING BEYOND THE ELECTRICAL WARRANTY PERIOD. WHEN WE PURCHASE THIS ISUZU NEW, WE PAID A MAJOR PREMIUM TO HAVE SIDE IMPACT AIRBAGS. THIS COSTLY OPTION WE FELT WAS WARRANTED IN ORDER TO PROVIDE ADDITIONAL SAFETY TO OUR FAMILY. INSTEAD THEIR PROTECTION HAS BEEN SERIOUSLY JEOPARDIZED, AND UNFORTUNATELY IS NOW A MAJOR SAFETY LIABILITY AND EXPENSE. *TR
2005 ISUZU ASCENDER. FILLED UP MY TANK AND THE FUEL GAUGE WENT TO EMPTY WITH THE ORANGE/YELLOW LIGHT ON. FUEL GAUGE DOES NOT WORK. THERE HAVE BEEN MANY COMPLAINTS OF THIS SAME PROBLEM WITH GM VEHICLES. THERE SHOULD BE A RECALL ON THIS. *TR
DRIVING WHEN MY REAR DRIVER SIDE TIRE EXPLODED SEPARATED CAUSING MY ASCENDER ISUZU 2005 TO SERVE AND ALMOST LOSE CONTROL AND CAUSE OVER $ 5,000 IN DAMAGE. *TR
IT TOOK A WHILE BEFORE THE ELECTRICAL ISSUES TO PROGRESS WHERE THEY WHERE VERIFIABLE WITH SOLID SYMPTOMS AS IN TRANSMISSION FAULTS AND POOR PERFORMANCE ALONG WITH LOSS OF COMMUNICATION TO STEERING WHEEL CONTROLS, AC AND BLOWER FAILURE, RADIO ETC. THE FULL EXTENT OF WHAT IS AFFECTED AND HOW IT WILL PROGRESS AS IT HAD TO THIS PO…
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IT TOOK A WHILE BEFORE THE ELECTRICAL ISSUES TO PROGRESS WHERE THEY WHERE VERIFIABLE WITH SOLID SYMPTOMS AS IN TRANSMISSION FAULTS AND POOR PERFORMANCE ALONG WITH LOSS OF COMMUNICATION TO STEERING WHEEL CONTROLS, AC AND BLOWER FAILURE, RADIO ETC. THE FULL EXTENT OF WHAT IS AFFECTED AND HOW IT WILL PROGRESS AS IT HAD TO THIS POINT IS UNKNOWN TO ME OR SERVICE PEOPLE. THE WIRING HAS BEEN MODIFIED AND THE IGNITION HAS BEEN REPLACED 3 TIMES TO TRY AND RESOLVE THIS ISSUE, AND THE EFFECTS OF MODIFICATION DID NOT WORK AND WHAT THAT WILL BRING ABOUT IS UNKNOWN AT THIS TIME. I HAVE NOTIFIED MANUFACTURE, BUT AFTER I LEARNED OF THIS SITE AND LOOKED AT CHEVY TRAIL BLAZER AND ISUZU ASCENDER ELECTRICAL ISSUES ( SAME CAR ), IT IS CLEAR TO ME THAT I AM NOT ALONE AND THERE IS NOT A KNOWN FIX FOR THIS HARDWARE OR POSSIBLY SOFTWARE ISSUE. THE VEHICLE HAS STRANDED MY DAUGHTERS, AND GUEST 3 STATES AWAY FORM HOME AFTER WIRING MODIFICATION THAT WAS SUPPOSED TO FIX THE ELECTRICAL ISSUE. THANKFULLY WE GOT STRANDED IN A TOWN AND NOT IN THE MIDDLE OF DESERT ON THE WAY TO COLORADO. *TR
Official recalls
105V035000 · Visibility:windshield
Feb 3, 2005
CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 212, 'WINDSHIELD MOUNTING.' THE WINDSHIELD URETHANE BEAD MAY NOT HAVE ADHERED TO THE BODY IN CERTAIN AREAS DURING THE CURE PROCESS.
Consequence & remedy
Consequence: IF A CRASH OCCURS, THE WINDSHIELD MAY NOT BE RETAINED, INCREASING THE RISK OF INJURY TO A VEHICLE OCCUPANT.
Remedy: DEALERS WILL REPLACE THE WINDSHIELD FREE OF CHARGE. THE RECALL BEGAN ON MARCH 10, 2005. OWNERS MAY CONTACT BUICK AT 1-866-608-8080, CHEVROLET AT 1-800-630-2438, OR GMC AT 1-866-996-9463.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1RQ17002 · Loss Of Headlights
Opened Apr 24, 2017 · Closed Mar 29, 2021
Status: closed (inferred from source dates) · Exterior Lighting:headlights
The subject vehicles are model year (MY) 2002-2009 Chevrolet Trailblazer, GMC Envoy, 2004-2007 Buick Rainier, 2003-2008 Isuzu Ascender, 2005-2009 Saab 9-7X, 2002-2004 Oldsmobile Bravada, 2003-2006 Chevrolet SSR, 2005-2009 Buick Lacrosse, and 2006-2008 Pontiac Grand Prix. This scope includes the Trailblazer/Envoy variants: 2002-2006 Envoy XL/Trailblazer EXT and 2004-2005 Envoy XUV. The original scope of this investigation was expanded to include all vehicles equipped with the subject Headlight Driver Module (HDM). The focus of the investigation was to determine whether actions performed by General Motors adequately addressed any unreasonable risk to motor vehicle safety in the subject vehicles concerning the headlights and the HDM that controls them.Under normal electrical load and environmental conditions, the HDM can overheat inside the Underhood Electrical Center (UEC). This can cause the module to fail and result in a simultaneous loss of both low beam headlights and both daytime running lights (DRLs), often with no warning or prior detectability to the driver. This failure can be intermittent or permanent. No other exterior lights are affected. High beams, turn signals, brake lights, and reverse lights are still operational.General Motors addressed this issue with 2 recalls (14V755 & 15V519) and a special coverage program (N172091910). In view of the recalls and special coverage program implemented by GM and the vehicle high beams continuing to operate, ODI has tentatively concluded that the actions taken by GM mitigate any unreasonable risk to safety posed by HDM failure in the subject vehicles.Accordingly, the investigation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist. The agency reserves the right to take additional action if warranted by new circumstances.The ODI reports cited above are available for review online at NHTSA.gov under the identification numbers in the attached document.
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