2004 Chevrolet Avalanche 1500 electrical system problems

53 owner complaints filed with NHTSA name the electrical system on the 2004 Chevrolet Avalanche 1500 — 37% of all complaints for this model year.

Electrical System complaints

37%

share of all complaints

72,000 mi

median reported incident mileage

0 / 0

crash / fire reports

What owners report

“Vehicle looses power and brakes go out then dies,doesn't matter speed. If slowing down and press the brakes, the locks, lights, and security goes crazy. This is dangerous as it is in intersections and caution for collision. The vehicle has to be off for a time frame and restarts fine and can go…”
filed Apr 8, 2021
“The vehicle's abs and brake lights are on. I took the vehicle in for repair and a state inspection. The part to repair the abs and brake light are on national back order with no definite availability date. The truck is not usable because of the failed state inspection. *tr”
filed Apr 22, 2015

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
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General Communication · Service Campaign · issued Aug 26, 2024
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer…
PIT5195H · Service Bulletin/Repair Instructions · issued Aug 13, 2024