Mack recall: Electrical system
What is 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.
What could happen
A coolant heater that overheats can increase the risk of fire.
The fix
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 covered
- Mack Lrbe (Electric) 2019, 2021–2023
Facts
- NHTSA recall number
- 23V024000
- Type
- Vehicle
- Filed by
- Mack Trucks, Inc.
- Reported to NHTSA
- Jan 23, 2023
- Owners notified
- Mar 16, 2023
- Vehicles or items affected
- 43
- Started by
- The manufacturer
- Built
- –
- Part
- Electrical system › Wiring › Switches/knobs/buttons
- Maker's own recall 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.
Other recalls for the same vehicles
- Mack recall: Electrical system Mar 25, 2025
- Mack recall: Electrical system Jul 24, 2023
- Mack recall: Electrical system Jun 4, 2023
- Mack recall: Electrical system Apr 19, 2023
To check one car, enter its 17-character VIN on the official NHTSA page: a recall may cover only some vehicles of a model year.
Recall data: National Highway Traffic Safety Administration (NHTSA). Nebula is not affiliated with or endorsed by NHTSA.