Vehicle Data Hub

2004 Chevrolet Avalanche 1500 problems

NHTSA has received 175 complaints about the 2004 Chevrolet Avalanche 1500, and 31% of them involve electrical system. Next are brakes (22%) and air bags (7%).

At a glance

Complaints
175 filed with NHTSA
Most reported
Electrical system 31% of complaints
Crashes and fires
11 and 0
Injuries and deaths
12 and 0
Typical mileage
80,000 miles 149 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 31%
  • Brakes 22%
  • Air bags 7%
  • Steering 6%
  • Cruise control 4%
  • Body & structure 4%
  • Tires 4%
  • Engine 3%
  • Fuel system 3%
  • Wipers, windshield & visibility 3%

When problems show up

Complaints by mileage, 2004 Chevrolet Avalanche 1500 Complaints by odometer reading in 20,000-mile steps. The median is about 80,000 miles. 0k to 20k miles: 0 complaints 20k to 40k miles: 20 complaints 40k to 60k miles: 29 complaints 60k to 80k miles: 22 complaints 80k to 100k miles: 29 complaints 100k to 120k miles: 15 complaints 120k to 140k miles: 10 complaints 140k to 160k miles: 11 complaints 160k to 180k miles: 8 complaints 180k to 200k miles: 1 complaints 200k+ miles: 4 complaints 040k80k120k160k200k miles Typical: 80,000 miles
Based on 149 complaints that include mileage. 33% 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 miles0
20k to 40k miles20
40k to 60k miles29
60k to 80k miles22
80k to 100k miles29
100k to 120k miles15
120k to 140k miles10
140k to 160k miles11
160k to 180k miles8
180k to 200k miles1
200k+ miles4

What the data shows

Of the 149 complaints that include odometer readings, half describe a problem before roughly 80,000 miles. For electrical system specifically, the median reported mileage is about 76,000 miles (46 complaints with mileage).

Safety-related details: 11 complaints mention a crash; 12 injuries reported.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2004 ranks 3rd most-complained-about out of 10 model years of the Chevrolet Avalanche 1500 with enough data (88 complaints in that window).

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.

We were involved in an accident where we hit another vehicle and then rolled. The air bags never deployed at all and my husbands seat belt let loose before the vehicle had stopped.

Reported at 59,000 miles, December 2007 CrashInjury

I have a 2004 chevy avalanche which I bought new that was involved in a t-bone collision at approx. 35 MPH across the front end of the vehicle . The air bag did not deploy nor did the shoulder harness latch even though I had my seat belt on. I feel this may be a safety concern so I am making you aware of this.problem since I was injured . The car I hit had pulled out of a shopping center acoss in front of me it was a chevy cavalier , which I hit on the drivers side between the front and rear wheels.

Reported at 64,680 miles, August 2009 CrashInjury

I have a 2004 chevrolet avalanche and have had several flat tires, was never stuck on the highway so never removed the spare tire. Today and yesterday 02-13-10 / 02-14-10 have been trying to remove the spare tire and feel grateful the failure occurred in my driveway. If not I would be stuck, as it is impossible to remove the tire from under the truck. I did review the instructions, soak the tire release in penetrating oil and made a dozen attempts to remove the tire.

Reported at 58,000 miles, February 2010

Tl* the contact owns a 2004 chevrolet avalanche 1500. While driving approximately 45 MPH, the vehicle failed to stop when the brake pedal was depressed to the floor. The contact pumped the brake pedal and the vehicle came to a stop. The contact exited the vehicle and discovered brake fluid leaking from the vehicle. The vehicle was taken to the dealer who diagnosed that the brake lines were rusted and fractured. As a result, the brake lines needed to be replaced. The vehicle was not repaired.

Reported at 84,000 miles, March 2015

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