2019–2023 Mack Lrbe (electric) recall: electrical system
⚠️ 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.
💥 The risk
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.
Is the fix free? Yes. Safety recall repairs are free at any authorized dealer under federal law, including parts and labor. (Vehicles more than 15 years old when the recall was announced can be excluded, but most manufacturers still fix them.)
- NHTSA campaign
- 23V024000
- Manufacturer recall #
- SC0440
- Manufacturer
- Mack Trucks, Inc.
- Vehicles affected
- 43
- Component
- ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS
- Owner phone
- 1-800-866-1177
- NHTSA hotline
- 1-888-327-4236
- Owner letters mailed
- Mar 16, 2023
- Recall started by
- MFR
- 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.