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Service bulletin CALFTL31-003REV

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)
TypeService bulletin
NHTSA id10189341
Published by NHTSA2021-03-26
Manufacturer's numberCALFTL31-003REV
Manufacturer's date2021-03-01
NHTSA componentTRAILER HITCHES

NHTSA's summary

Revised Customer Advisory Letter for Cascadia, New Cascadia, and 122SD Vehicles with Cracked Fifth Wheel Angles. Additional photos have been added.

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

Trailer hitch

Vehicles listed
FREIGHTLINER 122SD2017 to 2020
FREIGHTLINER CASCADIA2017, 2018, 2019, 2020

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
SS3123-FTL20232023-10-05. Service bulletin. Service Solution for P4 New Cascadia Web Mounted 5th Wheel Ramps
CALFTL31-0032021-02-27. Service bulletin. Customer Advisory Letter for Cascadia, New Cascadia, and 122SD Vehicles with Cracked Fifth Wheel Angles
TechTalk65302020-11-02. Service bulletin. Tech Talk discussion on P4 ICU TRAILER DISCONNECT WARNING.
CALFTL31-002REV2020-02-01. Service bulletin. 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.
CALFTL31-0022020-01-22. Service bulletin. 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.
Fifth Wheel Fast2018-10-29. Service bulletin. Fifth Wheel Plate to Outboard Angle Fastener Torque