MACK 2023 MACK LRBE (ELECTRIC) Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2023 MACK LRBE (ELECTRIC)
Brand
MACK
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2023
Mack Trucks, Inc. is recalling certain 2023 MACK LRBE (ELECTRIC) vehicles due to electrical system:wiring:switches/knobs/buttons issues. A coolant heater that overheats can increase the risk of fire..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
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 concern (NHTSA)
A coolant heater that overheats can increase the risk of fire.
Recommended Action
Per NHTSA guidance
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.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026