Vehicle Data Hub

2005 Isuzu Ascender problems

The 2005 Isuzu Ascender has 84 complaints on file with NHTSA. The largest share (32%) concerns electrical system. Next are fuel system (29%) and air bags (11%).

At a glance

Complaints
84 filed with NHTSA
Most reported
Electrical system 32% of complaints
Crashes and fires
4 and 1
Injuries and deaths
1 and 0
Typical mileage
80,000 miles 70 complaints with mileage

Source: NHTSA owner complaints

Where the complaints are

Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.

  • Electrical system 32%
  • Fuel system 29%
  • Air bags 11%
  • Lighting 6%
  • Cruise control 5%
  • Drivetrain & axles 4%
  • Engine 4%
  • Wipers, windshield & visibility 4%
  • Steering 2%
  • Brakes 1%

When problems show up

Complaints by mileage, 2005 Isuzu Ascender Complaints by odometer reading in 20,000-mile steps. The median is about 80,000 miles. 0k to 20k miles: 4 complaints 20k to 40k miles: 3 complaints 40k to 60k miles: 10 complaints 60k to 80k miles: 17 complaints 80k to 100k miles: 21 complaints 100k to 120k miles: 4 complaints 120k to 140k miles: 6 complaints 140k to 160k miles: 5 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 80,000 miles
Based on 70 complaints that include mileage. 24% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles4
20k to 40k miles3
40k to 60k miles10
60k to 80k miles17
80k to 100k miles21
100k to 120k miles4
120k to 140k miles6
140k to 160k miles5
160k to 180k miles0
180k to 200k miles0
200k+ miles0

What the data shows

Of the 70 complaints that include odometer readings, half describe a problem before roughly 80,000 miles. For electrical system specifically, the median reported mileage is about 71,000 miles (24 complaints with mileage).

Safety-related details: 4 complaints mention a crash; 1 complaint mentions a fire; 1 injury reported.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2005 ranks 3rd most-complained-about out of 4 model years of the Isuzu Ascender with enough data (31 complaints in that window). It is also covered by 1 safety recall campaign.

What owners wrote

A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.

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.

Reported at 104,000 miles, July 2014 Fire

Letter from constituent regarding airbag in his 2005 isuzu ascender went off for no reason causing personal injuries. 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.

November 2017 Injury

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.

May 2009 Crash

We had a car accident and the airbags didn't activate...the impact was very hard that the insurance company decided to total the car because the damage was to big...I am pregnant and I have 2 more kids, and I'm so disappointed with this experience that something could happened to me or my kids if we were in the accident.

Reported at 74,000 miles, February 2012 Crash

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.

Reported at 85,000 miles, June 2011

Other model years of the Ascender

Best and worst years for the Isuzu Ascender