Power train: automatic transmission
- Component
- Power train: automatic transmission
- Manufacturer
- Navistar, Inc.
- Vehicles affected
- 22
- Reported to NHTSA
- 2014-02-07
- Owners notified
- 2014-05-28
Defect description
Navistar, Inc. is recalling certain model year 2012-2014 model year CE school buses manufactured December 31, 2010, through November 6, 2012, and equipped with Eaton-brand 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
Navistar will notify owners and Eaton authorized service facilities will update the Hybrid Control Module Software version, free of charge. The recall began on May 28, 2014. Owners may contact Navistar at 1-331-332-1590.