Mack Trucks (Mack) is recalling certain 2019 and 2021-2023 LRBE battery electric trucks. The cabin heater relay may fail, causing the coolant heater to overheat.
Mack Trucks – Truck Cabin Heater May Catch Fire
| Report Received Date | 01/23/2023 |
| NHTSA ID | 23V024000 |
| Consequence Summary | A coolant heater that overheats can increase the risk of fire. |
| Corrective Action | 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. |
| Recall Code | SC0440 |
| Potentially Affected | 43 |
| Fire Risk When Parked | No |
| Do Not Drive | No |
| Recall Link | Go to Recall (https://www.nhtsa.gov/recalls?nhtsaId=23V024000) |
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