EngineRecall 21V-120 · 2019–2021 Thomas Built Buses Saf-t-liner C2
Daimler Trucks North America, LLC recall 21V-120 covers 159 2019–2021 Thomas Built Buses Saf-t-liner C2 for a engine problem, reported to NHTSA on February 25, 2021. The manufacturer's latest report (2022 Q4) shows 77% of affected vehicles repaired.
Source: NHTSA recall 21V120000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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.
The risk
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.
The fix
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.
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.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
77%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.