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Thomas Built Buses Saf-T-Liner C2 Recall 21V547: Parking Brake Switch May Fail, Allowing Unintended Movement

NHTSA campaign 21V547, reported July 20, 2021, 267 vehicles potentially affected.

What this recall means for you

The parking brake activation switch on certain Thomas Built Saf-T-Liner C2 school buses may fail to set the parking brake. If the brake does not engage as intended, the bus can move unintentionally while parked.

Unintended movement increases the risk of a crash. Drivers and anyone near a parked bus should be aware of this hazard until the repair is completed.

The repair is free. Daimler Trucks North America will update the Dash Electronic Control Unit software at an authorized dealer at no charge. Owners can contact DTNA customer service at 1-800-547-0712 and should check their vehicle identification number for 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 21V547Daimler Trucks North America, LLC
Component
PARKING BRAKE:ELECTRICAL:SWITCH
Problem
Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Thomas Built C2 Saf-T-Liner school buses. The parking brake activation switch may fail to set the parking brake.
Risk
Unintended movement of the vehicle increases the risk of a crash.
Remedy
DTNA will update the Dash Electronic Control Unit (DECU ) software, free of charge. Owner notification letters were mailed on September 14, 2021. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL-896.
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

Thomas Built Buses Saf-T-Liner C220212022