NHTSA Complaint #11657477 — 2017 GMC SIERRA 3500

SERVICE BRAKES issue reported to NHTSA

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Complaint Details

ODI Number	11657477
Vehicle	2017 GMC SIERRA 3500
Component	SERVICE BRAKES
Date of Incident	April 29, 2025
Date Filed	April 29, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MN

Consumer Description

Trailer brake system connection warning Intermittent when towing it will say trailer not connected, while still having a secure 7 pin connection. This causes me to loose trailer brakes. My camper is nearly 14,000 lbs. Very dangerous situation. Happened since new. Was into / complained to GM service dept over 6 times.

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Other SERVICE BRAKES Complaints

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#11478276 — August 8, 2022 — Brake are very spongy all the time we’ll While driving in parking lot at low speed we lost brakes happen to hit perso...

#11276971 — October 29, 2019 — WHEN YOU PUT ON THE BRAKES YOU HAVE TO PRESS SO HARD AND I MEAN HARD TO GET IT TO STOP. IT WAS NOT LIKE THAT WHEN IT...

#11132650 — October 1, 2018 — WHILE DRIVING DOWN A MOUNTAIN ROAD WITH A 5TH WHEEL ATTACHED IT APPEARED THAT THE REAR BRAKES ON THE DRIVERS SIDE WER...

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