Mack Trucks (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.
Mack Trucks – Power Cables May Not Be Tightened Properly
| Report Received Date | 06/04/2023 |
| NHTSA ID | 23V402000 |
| Consequence Summary | 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. |
| Corrective Action | 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. |
| Recall Code | SC0444 |
| Potentially Affected | 47 |
| Fire Risk When Parked | No |
| Do Not Drive | No |
| Recall Link | Go to Recall (https://www.nhtsa.gov/recalls?nhtsaId=23V402000) |
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