2009–2014 Freightliner Business Class M2, 2009–2014 Freightliner MT45, 2009–2014 Freightliner MT55 Recall: Software controlling the affected transmissions may improperly raise the…
NHTSA campaign 13V634000 · Power Train · filed Dec 16, 2013 · verified Jul 30, 2026
The defect
Daimler Trucks North America (DTNA) is recalling certain model year 2009-2014 model year Freightliner Business Class M2 and Freightliner Custom Chassis MT45 and MT55 chassis manufactured August 27, 2008, through December 10, 2013 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.
The risk
The increase in engine speed may result in unintended acceleration, increasing the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
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.
Affected vehicles
Related recalls
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Other campaigns involving Freightliner vehicles
All Freightliner Business Class M2 recalls → · All Freightliner recalls →
Source: NHTSA recall database, campaign 13V634000 (manufacturer number FL-657). Data last verified Jul 30, 2026.