NHTSA Recall 23V402000: Relays/solenoids (electrical system)
Mack Trucks, Inc. reported this safety recall to NHTSA on , covering an estimated 47 vehicles. It affects 2019–2023 Mack Lrbe (electric).
| NHTSA campaign | 23V402000 |
|---|---|
| Manufacturer campaign | SC0444 |
| Component | ELECTRICAL SYSTEM › WIRING › RELAYS/SOLENOIDS |
| Report received | June 4, 2023 |
| Owner notification | June 23, 2023 |
| Initiated by | Manufacturer |
Defect
Mack Trucks, Inc. (Mack) is recalling certain 2019-2023 LR battery electric trucks. The power cables that connect to the windscreen heater relay may have a loose connection and cause the relay to fail.
Safety risk
A relay that fails in the closed position will continue to power the cabin heater, overheating the relay and increasing the risk of a fire.
Remedy
Dealers will tighten the power cable to relay connection, free of charge. Owner notification letters are expected to be mailed August 4, 2023. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SCC0444.
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.
Vehicles covered by recall 23V402000
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.