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Nova Bus LFS Recall 20V457: Transmission Pressure Switches May Fail, Causing Sudden Loss of Drive

NHTSA campaign 20V457, reported August 5, 2020, 34 vehicles potentially affected.

What this recall means for you

Certain 2016 Nova Bus LFS and LFS Artic buses equipped with specific Allison Transmission drive units may have pressure switches that can fail. If a switch fails, the bus can lose drive unexpectedly, which increases the risk of a crash. Passengers may also be at higher risk of injury if they must be unloaded and moved to another bus.

Nova Bus will notify owners. Allison Transmission will replace the C1 and C2 pressure switches at no cost to the owner. Owners can contact Nova Bus customer service at 1-800-350-6682 and reference recall number CR4943.

If you operate or own one of these buses, contact Nova Bus or an authorized repair facility to schedule the free replacement, and 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 20V457Nova Bus
Component
POWER TRAIN:AUTOMATIC TRANSMISSION
Problem
Nova Bus (Nova) is recalling certain 2016 LFS and LFS Artic buses equipped with specific Allison Transmission drive units. The pressure switches on these Drive Units may fail, possibly resulting in a loss of drive.
Risk
A loss of drive can disable the vehicle unexpectedly, increasing the risk of a crash. Additionally, offloading passengers to transfer them to another bus can increase the risk of injury.
Remedy
Nova will notify owners, and Allison Transmissions will replace the C1 and C2 pressure switches, free of charge. The recall began September 15, 2020. Owners may contact Nova customer service at 1-800-350-6682. Nova's number for this recall is CR4943.
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.safercar.gov.

Affected vehicles

Nova Bus LFS2016
Nova Bus LFS Artic2016