Haldex Commercial Vehicle Systems – Inversion Valve Failure/FMVSS 121

Haldex Commercial Vehicle Systems (Haldex) is recalling certain inversion valves. Please see the attached 573 Defect report for full list of part numbers. An internal piston in the inversion valve may fail, delaying the engagement of the parking brake. As such, these valves fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, “Air Brake Systems.”


Report Received Date 12/21/2023
NHTSA ID 23E097000
Consequence Summary Delayed parking brake engagement can result in unintended vehicle movementeasing the risk of a crash.
Corrective Action Dealers will replace the inversion valve, free of charge. Owner notification letters are expected to be mailed January 12, 2024. Owners may contact Haldex customer service at 1-800-752-2501.
Recall Code NR (Not Reported)
Potentially Affected 4717
Fire Risk When Parked No
Do Not Drive No
Recall Link Go to Recall (https://www.nhtsa.gov/recalls?nhtsaId=23E097000)