2005 Isuzu Ascender Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2005 Isuzu Ascender, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Electrical2732.1%
- Fuel system2428.6%
- Airbags910.7%
- Exterior lighting56.0%
- Engine44.8%
- Driver assistance44.8%
- Visibility33.6%
- Powertrain (other)33.6%
- Steering22.4%
- Suspension11.2%
- Tires & wheels11.2%
- Brakes11.2%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
DRIVING AT NIGHT ON HIGHWAY AND MY EXTERIOR LIGHTS WILL GO COMPLETELY OFF AND ONLY MY HIGH BEAMS WILL COME ON BUT THAT'S IT. THEY'LL COME BACK ON USUALLY WHEN I GET TO WHERE I'M GOING AND PARK THE CAR BUT DRIVING ON THE HIGHWAY AT NIGHT AND ALL OF THE SUDDEN YOUR HEADLIGHTS GO OUT IS EXTREMELY DANGEROUS. ON THREE DIFFERENT OCCASIONS BOTH THE HIGH BEAM AND LOW BEAMS WENT OUT. BUT ON MOST OCCASIONS AND NOW EVERY OCCASION WHILE DRIVING AT NIGHT THE REGULAR LOWBEAM HEADLIGHTS JUST GO OUT RANDOMLY
SMOKE IN THE CABIN, BURNING PLASTIC/ELECTRICAL SMELL, ELECTRICAL CONNECTOR FAILURE, BLOWER MOTOR RESISTOR PACK INTERFACE CONNECTOR ELECTRICAL FAILURE ON 2005 ISUZU ASCENDER FIVE (5) PASSENGER VEHICLE
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
FUEL GAGE FLUXUATES READING EMPTY WHEN FULL AT START UP AND AT SPEED.
FUEL GAUGE WORKING ERRATICALLY. CURRENTLY THE GAUGE IS PAST THE FULL MARK, EVEN THOUGH THE GAS TANK SHOULD HALF FULL. *TR
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
LETTER FROM CONSTITUENT REGARDING AIRBAG IN HIS 2005 ISUZU ASCENDER WENT OFF FOR NO REASON CAUSING PERSONAL INJURIES. *LD THE CONSUMER STATED THE MANUFACTURER AND THE DEALER WERE AWARE OF THE FAILURE, BUT DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS INSPECTED, BUT THE CLAIM WAS DENIED DUE TO THE COMPUTER SYSTEM REPORTING A CRASH. *JS *BF
I WAS DRIVING OUR CAR ( 2005 ISUZU ASCENDER), HAVING JUST EXITED THE HIGHWAY I WAS ONLY GOING AROUND 5- 8 MPH WHEN OUT OF NO WHERE AND WITH NO REASON THE SIDE, AND REAR AIRBAGS UNEXPECTEDLY DEPLOYOED. THERE WAS NO REASON FOR THEM TO HAVE DEPLOYED, NO ACCIDENT, IMPACT, BUMPS OR ANYTHING. ONE MINUTE EVERYTHING WAS FINE THE NEXT THERE WAS A LOUD SOUND AND THE CABIN FILLED WITH AIRBAGS AND A HORRIBLE SMELL THANKFULLY MY CHILDREN WERE NOT IN THE CAR BECAUSE THE WAY THEY EXPLODED IT WOULD HAVE SURELY CAUSED THEM PHYSICAL HARM. UPON THE AIRBAGS UNEXPECTEDLY DEPLOYING THE SEATBELTS LOCKED UP COMPLETELY.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
DRIVING AT NIGHT ON HIGHWAY AND MY EXTERIOR LIGHTS WILL GO COMPLETELY OFF AND ONLY MY HIGH BEAMS WILL COME ON BUT THAT'S IT. THEY'LL COME BACK ON USUALLY WHEN I GET TO WHERE I'M GOING AND PARK THE CAR BUT DRIVING ON THE HIGHWAY AT NIGHT AND ALL OF THE SUDDEN YOUR HEADLIGHTS GO OUT IS EXTREMELY DANGEROUS. ON THREE DIFFERENT OCCASIONS BOTH THE HIGH BEAM AND LOW BEAMS WENT OUT. BUT ON MOST OCCASIONS AND NOW EVERY OCCASION WHILE DRIVING AT NIGHT THE REGULAR LOWBEAM HEADLIGHTS JUST GO OUT RANDOMLY
"ELECTRICAL ISSUE"- ONE NIGHT,I WAS DRIVING MY SUV ON THE HIGHWAY WITH MY MOM AND ALL OF A SUDDEN ALL OF THE LIGHTS INSIDE AND OUT (ALL INTERIOR AND EXTERIOR) WENT OFF. WE WERE DRIVING ALONG WITH NO LIGHTS. THE NEXT DAY WE NOTICED THE CLUSTER PANEL STOPPED WORKING AS WELL. ALL OF THE GAUGES EXCEPT FOR THE GAS GAUGE STOPPED WORKING. ISUZU WENT OUT OF BUSINESS HERE IS MEMPHIS A FEW YEARS BEFORE THIS HAPPENED.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2005 ISUZU ASCENDER. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE MADE A LOUD ABNORMAL NOISE UNDERNEATH THE HOOD OF THE VEHICLE. THE WIRES ON THE DRIVER SIDE HEADLIGHTS MELTED. THE CONTACT TOOK THE VEHICLE TO A CERTIFIED MECHANIC WHO DIAGNOSED THAT THE INTAKE MANIFOLD GASKET WAS FRACTURED AND THE HEADLIGHTS FAILED, ALL OF WHICH NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED A TOTAL OF THREE TIMES FOR THE INTAKE MANIFOLD GASKET AND TWICE FOR THE HEADLIGHTS WITHIN THE PAST THREE YEARS; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.
CHECK ENGINE LIGHT IS ON.. TEST INDICATES IT IS THE ENGINE THERMOSTAT. AC/HEATER FAN WILL NOT WORK ON HIGH SPEED.. *JS
Too few reports in this category for a page of its own — they appear in the full complaint list.
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2005 ISUZU ASCENDER. THE CONTACT STATED THAT WHILE THE BRAKES WERE DEPRESSED, THE ENGINE EXHIBITED AN UNUSUAL INCREASE IN RPMS OF UP TO 3,500. THE CONTACT SHIFTED INTO NEUTRAL YET THE FAILURE PERSISTED. THE CONTACT TURNED OFF THE VEHICLE AND WHEN RESTARTING, THE VEHICLE PROCEEDED AS NORMAL. IN ADDITION, THE FUEL LEVEL GAUGE WOULD PROVIDE ERRONEOUS FUEL LEVEL READINGS. NEITHER THE DEALER NOR THE MANUFACTURER WAS CONTACTED IN REGARDS TO THE FAILURE. THE FAILURE AND CURRENT MILEAGE WAS 85,000.
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.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2005 ISUZU ASCENDER. THE CONTACT STATED THE INSTRUMENT PANEL BECAME INOPERABLE. THE CONTACT MENTIONED THAT THE HORN WOULD COME ON INTERMITTENTLY. ALSO, THE CONTACT STATED THAT THE DRIVERS SIDE WINDOW GLASS FELL INSIDE THE VEHICLE AND FRACTURED. IN ADDITION, THE CONTACT MENTIONED THAT IT WAS DIFFICULT TO SHIFT GEARS. THE VEHICLE WAS NOT TAKEN TO A DEALER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 50,000.
TL* THE CONTACT OWNS A 2005 ISUZU ASCENDER. THE CONTACT STATED WHILE HE WAS DRIVING OUT OF HIS DRIVEWAY AT 2 MPH HE NOTICED SMOKE COMING FROM BOTH THE FRONT AND REAR DRIVER'S SIDE POWER WINDOW SWITCHES WHICH IMMEDIATELY FAILED TO FUNCTION. THE FAILURE WAS NOT DIAGNOSED NOR WAS THE VEHICLE REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 104,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2005 ISUZU ASCENDER. THE CONTACT STATED THE INSTRUMENT PANEL BECAME INOPERABLE. THE CONTACT MENTIONED THAT THE HORN WOULD COME ON INTERMITTENTLY. ALSO, THE CONTACT STATED THAT THE DRIVERS SIDE WINDOW GLASS FELL INSIDE THE VEHICLE AND FRACTURED. IN ADDITION, THE CONTACT MENTIONED THAT IT WAS DIFFICULT TO SHIFT GEARS. THE VEHICLE WAS NOT TAKEN TO A DEALER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 50,000.
VEHICLE SUDDENLY 'SHUTTERED' AT 65MPH ON THE TOLLWAY AND THE INSTRUMENT PANEL FAILED COMPLETELY, INDICATING BRAKE SYSTEM FAILURE. CONCURRENTLY, INDICATOR LIGHT FOR REAR DRIVE TRAIN ALSO SHOWING FAILURE. UNSURE IF THESE ISSUES WERE RELATED OR COINCIDENTAL. DIAGNOSTICS/TESTING BY MECHANIC RESULTED IN REPLACEMENT OF SEVERAL ELECTRICAL SYSTEM PARTS, INCLUDING A/C DELCO TRANS SELECTOR SWITCH; A/C DELCO SPEED SENSOR; A/C DELCO IGNITION SWITCH, AND REPAIR OF 4-WHEEL DRIVE ENGINE HARNESS, TOTALING EXPENSE OF $808.37. SINCE REPAIR, NO FURTHER INCIDENT HAS OCCURRED WITH THESE COMPONENTS. WHILE IT IS CLEAR THAT WOULD SEEM RELATED TO GM IGNITION SWITCH RECALL, THERE IS NO PUBLISHED INDICATION THAT GM SUV'S PRODUCED UNDER THE ISUZU NAME-PLATE HAVE BEEN INCLUDED IN THE RECALL, AS THEY SHOULD BE. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
HAVE PROBLEMS WITH FRONT STEERING AND SUSPENSION SYSTEM EVER SINCE THIS HAPPENED. HAD REPLACE RACK & PINION 4 TIMES SINCE THIS DATE AND RODS, SHOCKS, ARM TERMINALS...........NO MATTER HOW LOW USAGE IS DONE...FRONT DRIVE LINE IS A LEMON. *TR
I WAS DRIVING EAST ON INTERSTATE 10 IN PENSACOLA, FLORIDA. A VEHICLE TRAVELING WEST LOST CONTROL AND CAME ACROSS THE SLOPED GRASSY MEDIAN, OVERTURNED AN SLID ACROSS MY TRAFFIC LANE, CAUSING ME TO CRASH INTO THEIR ROOF. MY ODOMETER SAYS AT THE POINT OF IMPACT I WAS ONLY TRAVELING 48 MPH. ONCE I REALIZED I WAS ALIVE, I WAS IN AWE THAT THE AIRBAG DID NOT DEPLOY. I SPOKE TO A MANAGER AT ISUZU IN CALIFORNIA. HE REQUESTED THE VIN NUMBER AND SOME OTHER PERSONAL INFORMATION AND SAID IF THE INSURANCE COMPANY ADJUSTER SAW ANY MANUFACTURER DEFECTS, THEN THE INSURANCE COMPANY WOULD CONTACT ISUZU. I ALSO CONTACTED MY INSURANCE PROVIDER, THEY SAID SINCE I WAS NOT KILLED IN THE ACCIDENT, THEY WOULD NOT PURSUE ANYTHING WITH ISUZU. I THOUGHT SOMEONE SHOULD KNOW BECAUSE I WAS PINNED IN THE VEHICLE AND HAD TO BE CUT OUT. THE TOW TRUCK DRIVER ALSO MENTIONED SOMETHING ABOUT THE STEERING COLUMN HAD MALFUNCTIONED, NOT SURE WHAT THE MALFUNCTION WAS, BUT IT DID NOT DO WHAT IT WAS DESIGNED TO DO FOR SAFETY PURPOSES. I SUSTAINED A FRACTURED RIGHT FOOT, BRUISED LUNGS/RIBS, NUMEROUS LACERATIONS, BRUISED LEFT KNEE AND LEFT ELBOW. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
HAVE PROBLEMS WITH FRONT STEERING AND SUSPENSION SYSTEM EVER SINCE THIS HAPPENED. HAD REPLACE RACK & PINION 4 TIMES SINCE THIS DATE AND RODS, SHOCKS, ARM TERMINALS...........NO MATTER HOW LOW USAGE IS DONE...FRONT DRIVE LINE IS A LEMON. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
2005 ISUZU ASCENDER ~ OIL GAUGE STOPPED WORKING ABOUT 2MONTHS AGO (AUGUST 2011) AND THE SPEEDOMETER WENT OUT SHORTLY AFTER THAT. TOOK IT TO THE DEALERSHIP AND WAS TOLD "IT WAS PROBABLY THE FUSES". CHANGED THE FUSES OUT, BUT THAT DIDN'T HELP! IN FACT THERE IS EVEN ANOTHER PROBLEM NOW! THE SYSTEM PANEL LIT UP... (SEPT.2011)...W/ LIGHTS AND BELLS THAT READ (CHECK BRAKE SYSTEM) WHICH IS A SAFETY ISSUE, SO I IMMEDIATELY TOOK IT IN TO BE CHECKED AND WAS TOLD "THE BRAKES ARE ALL IN GREAT CONDITION AND WAS NOT THE PROBLEM!" WELL THERE IS A BIG PROBLEM IF ALL THE OWNERS OF THIS TYPE OF VEHICLE ARE ALL HAVING THE SAME ISSUES AND NOT GETTING ANY HELP FROM THE MANUFACTURER!!!! *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .