NHTSA recall campaign
23V024000
ManufacturerMack Trucks, Inc.Reported2023-01-23Affected43 vehicles
What was wrong
Defect
Mack Trucks, Inc. (Mack) is recalling certain 2019 and 2021-2023 LRBE battery electric trucks. The cabin heater relay may fail, causing the coolant heater to overheat.
Risk
A coolant heater that overheats can increase the risk of fire.
Manufacturer remedy
Dealers will update the software for the Hybrid Powertrain Control Unit and Instrument Cluster, and install replacement relays, free of charge. Owner notification letters were mailed March 16, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0440.
To check whether your specific VIN is covered and to find a participating dealer, look this campaign up on NHTSA.gov →