NHTSA Campaign 23V024000
ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS
Issued by Mack Trucks, Inc. · Reported Jan 23, 2023 · 43 vehicles affected
What's wrong
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.
Consequence
A coolant heater that overheats can increase the risk of fire.
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.
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| MACK | LRBE (ELECTRIC) | 2019 | 43 |
| MACK | LRBE (ELECTRIC) | 2021 | 43 |
| MACK | LRBE (ELECTRIC) | 2022 | 43 |
| MACK | LRBE (ELECTRIC) | 2023 | 43 |
Source: NHTSA Campaign 23V024000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.