Transport CanadaCritical
2021 GMC SIERRA HDTransport Canada Recall #2021602
The official notice
Defect
On certain trucks, the bolts that attach the brake pressure modulator valve (BPMV) assembly may not be properly tightened. As a result, water can enter the BPMV and cause a short circuit.
Safety Risk
A short circuit can create the risk of a fire.
Remedy
General Motors will notify owners by mail and instruct you to take your truck to a dealer to replace the brake pressure modulator valve assembly. General Motors recommends that you should park your truck outside, and not in a garage or other structure, until the recall repairs are completed.
248 vehicles affectedMfr ref: N212349181Updated June 10, 2026