2021 Mack LR Electric Recall: Coolant line in the high voltage battery pack may not be fully seated and…
NHTSA campaign 22V706000 · Electrical System · filed Sep 21, 2022 · verified Jul 30, 2026
The defect
Mack Trucks, Inc. (Mack) is recalling one 2021 truck. The coolant line in the high voltage battery pack may not be fully seated and locked, which can result in the loss of coolant and an electrical short circuit.
The risk
A battery short circuit increases the risk of a fire.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Mack will inspect the battery packs, and replace them as necessary, free of charge. The affected vehicle was within the manufacturer's control, has been repaired, and therefore no owner letters were mailed. Owners may contact Mack's customer service at 1-800-866-1177.
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.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Mack | LR Electric | 2021 |
Related recalls
More Mack LR Electric recalls
Other campaigns involving Mack vehicles
Source: NHTSA recall database, campaign 22V706000. Data last verified Jul 30, 2026.