Freightliner Business Class M2 2020 — technical service bulletin
Bulletin CALFTL31-002REV · NHTSA communication 10170842 · issued Jan 31, 2020
Technical service bulletin
communication type
Equipment
component
2020
model years
2
vehicle entries
Official summary
Revised Customer Advisory Letter for performing a Fifth Wheel Air-Operated Kingpin Release Functionality Inspection on vehicles equipped with a dash controlled fifth wheel air operated king pin release valve. This revision updates the Standard Repair Times (SRTs) in the work instructions section.
Vehicles covered
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.