NHTSA Recall 23V024000
Filed by Mack Trucks, Inc.. Component: Electrical System. Reported 2023-01-23. An estimated 43 vehicles are affected. Recall repairs are free at any authorized dealer.
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.
What the manufacturer will do
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.
Manufacturer campaign number: SC0440
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.