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Nova Bus LFS Recall 23V291: Battery Coolant Line May Short Circuit, Raising Fire Risk

NHTSA campaign 23V291, reported April 24, 2023, 7 vehicles potentially affected.

What this recall means for you

Certain 2022 and 2023 Nova Bus LFS battery electric transit buses may have a coolant line in the high voltage battery pack that is not fully seated and locked. Over time, this can cause coolant to be lost and lead to an electrical short circuit inside the battery.

A battery short circuit may increase the risk of a fire. Owners of affected buses should take this recall seriously and contact Nova Bus customer service at 1-800-350-6682, referencing recall number CR5406, to arrange service.

Nova Bus will work with Akasol, the battery pack manufacturer, to inspect the battery packs and replace them as necessary, free of charge. Owner notification letters were mailed May 23, 2023. You can also check your vehicle identification number (VIN) for any open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 23V291Nova Bus (US) Inc.
Component
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT
Problem
Nova Bus (US) Inc. (Nova Bus) is recalling certain 2022-2023 LFS battery electric transit buses. 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.
Risk
A battery short circuit may increase the risk of a fire.
Remedy
Nova Bus will work with Akasol, the battery pack manufacturer to inspect the battery packs, and replace them as necessary, free of charge. Owner notification letters were mailed May 23, 2023. Owners may contact Nova Bus customer service at 1-800-350-6682. Nova Bus's number for this recall is CR5406.
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.

Affected vehicles

Nova Bus LFS20222023