2006 GMC Sierra 1500 electrical system problems

20 owner complaints filed with NHTSA name the electrical system on the 2006 GMC Sierra 1500 — 14% of all complaints for this model year.

Electrical System complaints

14%

share of all complaints

86,000 mi

median reported incident mileage

0 / 2

crash / fire reports

What owners report

“Tl* the contact owns a 2006 gmc sierra 1500. The contact stated that the heater blower relay switch was replaced however, the failure recurred. The contact stated while vehicle was in a stand still, and attempting to turn on the air conditioner, the air conditioner was inoperable. The contact…”
filed Jun 1, 2020
“Tl* the contact owns a 2006 gmc sierra 1500. While driving approximately 35 mph, the forty two volt charging warning indicator illuminated. Due to the warning, the steering wheel became difficult to maneuver. The contact turned off the vehicle and it failed to restart. The vehicle was towed to john…”
filed Jul 26, 2018

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

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