Freightliner 114SD 2019–2021 — technical service bulletin
Bulletin ICI20-026 · NHTSA communication 10179061 · issued Aug 26, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2021
model years
9
vehicle entries
Official summary
Important Campaign Information Letter informing that revised bulletins for Detroit Diesel campaigns D20R1REV1 and D20M8REV1 have been posted on DTNAConnect.
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.