8.6

pretty bad
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
3,157 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.

2019 GMC Sierra 3500 brakes problems

brakes problem

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2019 GMC Sierra 3500 Owner Comments

problem #3

May 262024

Sierra 3500

  • miles

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

Service brake brake system comes on randomly. have to hit reset when driving. constantly

- Quakertown, PA, USA

problem #2

Sep 202022

Sierra 3500

  • miles
The trailer brake system has stopped working and displays the message "Service trailer Brakes" it does this no matter if several different tralers are hooked to the truck. These trialers test fine in other trucks and with meters. The trailer brake controller does not work. There are many owners reporting the same thing. It is a critical safety feature to stop the truck & trailer and probably already has led to some fatalities. Please issue a recall. Thank You.

- Huntington, NY, USA

problem #1

Jan 282021

Sierra 3500

  • 9,470 miles
Driving to work. Power steering went out and braking system seem to be ineffective. Instrument panel service light came on with the battery indicator displaying "battery charging system" fault.

- Abilene, TX, USA

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