Vehicle Data Hub

2003 Isuzu Ascender problems

The 2003 Isuzu Ascender has 47 complaints on file with NHTSA. The largest share (23%) concerns electrical system. Next are fuel system (15%) and lighting (15%).

At a glance

Complaints
47 filed with NHTSA
Most reported
Electrical system 23% of complaints
Crashes and fires
2 and 0
Injuries and deaths
3 and 0
Typical mileage
31,000 miles 32 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 23%
  • Fuel system 15%
  • Lighting 15%
  • Drivetrain & axles 9%
  • Brakes 6%
  • Body & structure 6%
  • Engine 4%
  • Steering 4%
  • Air bags 2%
  • Latches & locks 2%

When problems show up

Complaints by mileage, 2003 Isuzu Ascender Complaints by odometer reading in 20,000-mile steps. The median is about 31,000 miles. 0k to 20k miles: 14 complaints 20k to 40k miles: 5 complaints 40k to 60k miles: 8 complaints 60k to 80k miles: 3 complaints 80k to 100k miles: 1 complaints 100k to 120k miles: 1 complaints 120k to 140k miles: 0 complaints 140k to 160k miles: 0 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 31,000 miles
Based on 32 complaints that include mileage. 84% 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 miles14
20k to 40k miles5
40k to 60k miles8
60k to 80k miles3
80k to 100k miles1
100k to 120k miles1
120k to 140k miles0
140k to 160k miles0
160k to 180k miles0
180k to 200k miles0
200k+ miles0

What the data shows

Of the 32 complaints that include odometer readings, half describe a problem before roughly 31,000 miles.

Safety-related details: 2 complaints mention a crash; 3 injuries reported.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2003 ranks 2nd most-complained-about out of 4 model years of the Isuzu Ascender with enough data (38 complaints in that window). It is also covered by 5 safety recall campaigns.

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.

Dt: the contact stated while driving on the interstate during rush hour at 55 MPH, a vehicle hit the wall and tail spinned in front of contact's vehicle. The contact hit the vehicle with a frontal impact causing severe damage. Upon impact, the none of the contact's air bags deployed. The contact was wearing a seatbelt however injuries were sustain to the shoulders, back and neck. When the vehicle was taken to the dealership, they determined the vehicle was operating properly however the airbags did not deploy.

Reported at 34,800 miles, March 2006 CrashInjury

While trying to release the full-sized spare tire, the cable holding it up broke causing the tire to unexpectedly fall.

April 2009 Injury

When the high beams were not on, the consumer was only able to see two car lengths ahead.. The consumer was told the headlamps were pre-set and could not be readjusted.

Reported at 500 miles, January 2003

Dt: the consumer stated that the power steering failed in his vehicle while turning the corner in the mountains. The power would work, but not when he would slow down. The vehicle has been taken to the dealership and a new power steering pump has been ordered. They did not tell him why this was happening. This happened june 28, 2005. It happened approximately 6 times that day. He took the vehicle in that day, and he has not had the problem since. The vehicle is making a whirring noise at this time.

Reported at 35,000 miles, June 2005

Other model years of the Ascender

Best and worst years for the Isuzu Ascender