Recall 23V024000
ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS
Report Date
20230123
Component
ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS
Affected Vehicles
4 models
Defect Description
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.
Safety 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.
Affected Vehicles
| Year | Make | Model |
|---|---|---|
| 2019 | MACK | LRBE (ELECTRIC) |
| 2021 | MACK | LRBE (ELECTRIC) |
| 2022 | MACK | LRBE (ELECTRIC) |
| 2023 | MACK | LRBE (ELECTRIC) |
Check your vehicle: Visit NHTSA.gov and enter your VIN to see if your specific vehicle is affected.