Freightliner Cascadia 2008–2010 — technical service bulletin
Bulletin SB-54-239 · NHTSA communication 10031864 · issued Jul 1, 2015
Technical service bulletin
communication type
Electrical System
component
2008–2010
model years
3
vehicle entries
Official summary
Freightliner truck: cascadia cabin can ecu compatibility. Cascadia cabin can electronic control units (ecus) must have compatible software for the vehicle to work properly. Failure to do so may lead to undesired and unpredictable vehicle behavior. No model years listed. *pe updated 4/4/11. *pe updated 4/27/2012 *js
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.