Power train: automatic transmission
- Component
- Power train: automatic transmission
- Manufacturer
- Daimler Trucks North America
- Vehicles affected
- 29
- Reported to NHTSA
- 2013-12-16
- Owners notified
- 2014-02-05
Defect description
Daimler Trucks North America (DTNA) is recalling certain model year 2011-2013 Thomas Built Saf-T-Liner C2 school buses manufactured December 3, 2009, through February 8, 2012, and equipped with Eaton hybrid automated transmissions. The software controlling the affected transmissions may improperly raise the vehicle's engine speed during downshifts without the driver's input.
Safety risk
The increase in engine speed may result in unintended acceleration, increasing the risk of a crash.
Manufacturer remedy
DTNA will notify owners and dealers will update the hybrid transmission software, free of charge. The recall began on February 5, 2014. Owners may contact DTNA at 1-503-745-6910. DTNA's recall number is FL-657.