NHTSA campaign 21V120000
Daimler Trucks North America, LLC recall 21V120000
Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2021 Thomas Built Buses Saf-T-Liner C2 school buses equipped with Cummins B6.7N engines. The engine control module software may be calibrated incorrectly, causing the engine to not limit engine speed or torque as intended for certain safety-related functions such as vehicle braking, traction and stability control, speed control, or collision avoidance.
What can happen
If safety-related functions such as vehicle braking, stability, speed, and collision avoidance do not function properly, it can increase the risk of a crash.
Repair
DTNA will work with the engine manufacturer Cummins Inc. to notify owners, and Cummins dealers will recalibrate the engine control module, free of charge. Owner notifications were mailed on March 29, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA number for this recall is FL-879.
Components
- Engine
- Engine and engine cooling: Engine: Engine control module (ecu/ecm): Software
Affected years and models
A listed year and model does not mean every vehicle in that group is recalled. Use the VIN lookup to confirm a specific vehicle.