NHTSA

Inversion Valve Failure/FMVSS 121

Hazard

Delayed parking brake engagement can result in unintended vehicle movement, increasing the risk of a crash.

What You Should Do

Remedy

Dealers will replace the inversion valve, free of charge. Owner notification letters were mailed May 31, 2024. Owners may contact Haldex customer service at 1-800-752-2501.

Products

Inversion Valve Failure/FMVSS 121
Brand
Haldex Commercial Vehicle Systems
Manufacturer
Haldex Commercial Vehicle Systems

Units Affected

4717