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Other CXA 11_21_P4 J1939 Commun

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeOther
NHTSA id11011098
Published by NHTSA2024-12-04
Manufacturer's numberCXA 11_21_P4 J1939 Commun
Manufacturer's date2024-11-21
NHTSA componentLANE DEPARTURE: BLIND SPOT DETECTION; ENGINE; POWER TRAIN

NHTSA's summary

CX Advocate for P4 J1939 Communication Errors (TSB54-366-FTL)

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance, Engine, Transmission and driveline, Blind spot detection

Vehicles listed
FREIGHTLINER CASCADIA2019, 2020, 2021, 2022, 2023, 2024, 2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
CXA 04_26_Side Guard2026-05-02. Other. CX Advocate for P4 Side Guard Assist On/Off Menus and Trailer Functionality (TSB-54-381-FTL)
Detroit FAB 3272025-01-07. Other. Updated Detroit Ferightliner Action Bulletin for Detroit Connect Safety Plus
TSB54-366-FTL2025-01-03. Service bulletin. Technical Service Bulletin for J1939 Communication Errors with Cummins Engine Automated or Allison Transmission and Bendix Side Radar
Detroit FAB 3272024-12-04. Other. Detroit Freightliner Action Bulletin for Detroit Connect Safety Plus
SS3142-FTL2024-12-04. Other. Service Solution for J1939 CAN issues for vehicles equipped w/ Bendix Side Radar w/ expanded field of view
TSB54-366-FTL2024-11-07. Service bulletin. Technical Service Bulletin for J1939 Communication Errors with Cummins Engine Automated or Allison Transmission and Bendix Side Radar