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Chevy Silverado and GMC Sierra HD Brake Module Fire Risk

NHTSA campaign 21V758000 · Reported 2021-09-29 · General Motors, LLC

critical How serious is it? About this label

Serious — water getting into the brake unit can short out and cause a fire, so park outside and away from structures until the repair is done; the notice does not tell owners to stop driving.

⚠ Park outside, away from buildings — fire risk. See all such recalls.

What's wrong, in plain English

These trucks had part of the electronic brake control unit replaced while they were being built on the assembly line. The bolts holding the brake pressure unit together may not have been tightened enough, so the two halves may not seal properly. Water can then get inside, cause an electrical short, and start a fire. A dealer will replace the brake pressure unit assembly free of charge. Owner letters were mailed October 20, 2021.

What you should do

1. Enter your VIN at nhtsa.gov/recalls to see if your truck is covered by campaign 21V758000.
2. Park outside, away from your home, garage, and other buildings, until it is repaired.
3. Call Chevrolet at 1-800-222-1020 or GMC at 1-800-462-8782 (GM recall N212349181) and book the free repair.

Affected vehicles (8)

Who to contact

Chevrolet — official Chevrolet recall lookup

Customer service: 1-800-222-1020

GMC — official GMC recall lookup

Customer service: 1-800-462-8782

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

The bigger picture

Official notice

Component
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE
Summary
General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500, and Sierra 3500 vehicles with electronic brake control modules (EBCM) replaced during vehicle assembly. The bolts that attach the brake pressure modulator valve (BPMV) assembly may not be properly tightened, which could fail to seal the two sub-assemblies and allow water intrusion.
Safety risk
Water in the BPMV may cause an electrical short circuit and increase the risk of fire.
Remedy
Owners are advised to park outside and away from other structures until the recall repair is completed. Dealers will replace the BPMV assembly, free of charge. Owner notification letters were mailed on October 20, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N212349181.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.