NHTSA campaign 23V024000
Mack Trucks, Inc. recall 23V024000
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.
Reported 01/23/2023
What can happen
A coolant heater that overheats can increase the risk of fire.
Repair
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.
Components
- Electrical system: Wiring: Switches/knobs/buttons
Affected years and models
A listed year and model does not mean every vehicle in that group is recalled. Use the VIN lookup to confirm a specific vehicle.