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Service bulletins for the 2021 Freightliner Cascadia

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

509 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Blind spot detection are shown. Show all

Bulletins, newest first
CXA 04_26_Side Guard2026-05-02. Other. LANE DEPARTURE: BLIND SPOT DETECTION. CX Advocate for P4 Side Guard Assist On/Off Menus and Trailer Functionality (TSB-54-381-FTL)
TSB54-366-FTL2025-01-03. Service bulletin. POWER TRAIN; LANE DEPARTURE: BLIND SPOT DETECTION; ENGINE. Technical Service Bulletin for J1939 Communication Errors with Cummins Engine Automated or Allison Transmission and Bendix Side Radar
SS3142-FTL2024-12-04. Other. LANE DEPARTURE: BLIND SPOT DETECTION; ENGINE; VISIBILITY/WIPER. Service Solution for J1939 CAN issues for vehicles equipped w/ Bendix Side Radar w/ expanded field of view
CXA 11_21_P4 J1939 Commun2024-12-04. Other. LANE DEPARTURE: BLIND SPOT DETECTION; ENGINE; POWER TRAIN. CX Advocate for P4 J1939 Communication Errors (TSB54-366-FTL)
TSB54-366-FTL2024-11-07. Service bulletin. ENGINE; POWER TRAIN; LANE DEPARTURE: BLIND SPOT DETECTION. Technical Service Bulletin for J1939 Communication Errors with Cummins Engine Automated or Allison Transmission and Bendix Side Radar

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.