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Silverado, Sierra Brake Module Fire Risk
critical How serious is it? About this label
Water inside the brake module can cause an electrical short and increase the risk of a fire. Owners are told to park outside and away from other structures until the repair is completed.
⚠ Park outside, away from buildings — fire risk. See all such recalls.
Key facts
| NHTSA campaign number | 21V758000 |
|---|---|
| Reported to NHTSA | Sep 29, 2021 |
| Manufacturer | General Motors, LLC |
| Part affected | Service Brakes, Hydraulic:power Assist:electric:control Module |
| Vehicles covered | 8 model/year combinations, model years 2021–2022 |
| Do-not-drive advisory | No |
| Park-outside advisory | Yes — fire risk |
| Repair | Free at any franchised dealer |
What's wrong, in plain English
Some Chevrolet Silverado and GMC Sierra trucks have a brake control module that was replaced during assembly. The bolts holding two parts of this module together may not have been tightened enough, so water can leak inside. Water getting into the module can cause an electrical short, which increases the risk of a fire.
What you should do
2. Check your VIN at nhtsa.gov/recalls.
3. Contact a dealer, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782; the repair is free.
Where do I find my VIN, and what do I tell the dealer?
Your VIN is the 17-character code on the lower left of the windshield, on your registration and usually on your insurance card. Enter it at nhtsa.gov/recalls to see whether this recall is still open on your car. When you call the dealer, say you have an open safety recall and give them NHTSA campaign number 21V758000. More in how recalls work.
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
The bigger picture
- Chevrolet Brake Recalls Include Fire Risks and Reduced Brake Assist · all 18 Chevrolet recalls in this area
- GMC Brake Recalls Cover Reduced Assist, Software Errors and Leaks · all 11 GMC recalls in this area
Other Chevrolet Silverado 3500 recalls
- May 21, 2026Chevrolet Silverado, GMC Sierra Roof Air Bag Inflator Riskhigh
- Mar 19, 2026Chevy Silverado and GMC Sierra Roof Air Bag Defecthigh
- Mar 5, 2026Silverado and Sierra 3500 Fuel Pump May Stall Enginehigh
- Feb 26, 2026GM vehicles may be missing the electronic owner's manuallow
- Feb 12, 2026Chevrolet Silverado, GMC Sierra Transmission Wheel Lockup Riskhigh
- Nov 25, 2025Chevrolet Silverado Trucks Missing Owner's Manuallow
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.