Is your defective GMC Sierra 1500 actually a LEMON?

Find out in 30 SECONDS or less if it qualifies for a REFUND or a CASH SETTLEMENT.

4.6

definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
23,300 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2021 GMC Sierra 1500 electrical problems

electrical problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2021 GMC Sierra 1500:

Unsubscribe any time. We don't sell/share your email.

2021 GMC Sierra 1500 Owner Comments

problem #1

Jun 272022

Sierra 1500

  • 23,300 miles

A D V E R T I S E M E N T S

The contact owns a 2021 GMC Sierra 1500. The contact stated while attempting to start the vehicle, the vehicle failed to operate as needed. The service parking brake, check engine, and other unknown warning lights were illuminated. The vehicle was towed to the local dealer to be diagnosed. The contact was informed that the failure was due to damaged electrical wiring caused by rodents. The contact was informed by the dealer that the wiring insulation was made from soy-based materials. The vehicle was repaired three times due to the failure. The manufacturer was notified of the failure. The approximate failure mileage was 23,300.

- Burlington, IL, USA

Not what you are looking for?