2002 Chevrolet Avalanche 1500 electrical system problems

11 owner complaints filed with NHTSA name the electrical system on the 2002 Chevrolet Avalanche 1500 — 7% of all complaints for this model year.

Electrical System complaints

share of all complaints

115,500 mi

median reported incident mileage

1 / 0

crash / fire reports

What owners report

“Odometer Fraud. The contact previously owned a 2002 Chevrolet Avalanche 1500. The contact stated the vehicle was sold to a private buyer with an odometer reading of 205,000 miles. Subsequently, the contact discovered the vehicle was listed for sale on Facebook Marketplace with a rolled-back…”
filed Jun 8, 2026
“Tl* the contact owns a 2002 chevrolet avalanche 1500. While operating the vehicle, the low beam headlights suddenly shut off. When the contact tapped the fuse box located under the hood, the headlights turned back on and illuminated normally. The cause of the failure was not diagnosed. The vehicle…”
filed Oct 2, 2017

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…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to…
General Communication · Service Campaign · issued Aug 26, 2024