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Service bulletin CAL80KSIFRAME

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 id10171853
Published by NHTSA2020-03-03
Manufacturer's numberCAL80KSIFRAME
Manufacturer's date2020-03-02
NHTSA componentSTRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

NHTSA's summary

Customer Advisory Letter for 80KSI Frame Reinforcement Installation for certain vehicles equipped with 80KSI frame rails and Airliner 21,000LB rear suspensions.

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

Body and frame

Vehicles listed
FREIGHTLINER M22015
FREIGHTLINER M22017

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
FAB2122021-05-19. Service bulletin. Freightliner Action Bulletin FAB212 Aggressive Step Edge
FAB1602021-05-18. Service bulletin. Freightliner Action Bulletin FAB160 Rock Guard
FAB1552021-05-18. Service bulletin. Freightliner Action Bulletin FAB155 Polished stainless steel steps
FAB1502021-05-18. Service bulletin. Freightliner Action Bulletin FAB150 Bumper guide lights
TSN 32-032021-05-13. Service bulletin. TSN for M2 chassis used in a “Truck” application and equipped with an Airliner rear suspension. M2 chassis used in a “Truck” application and equipped with an Airliner rear suspension: - Unequal tire pressure side to side. - Rear suspension height set incorrectly. - Rear suspension axle seats installed incorrectly. - A lean at the steer axle suspension. - A weight difference side to side at the front and/or rear suspension.
12-0402018-01-05. Service bulletin. 12-040-DLR Roof Fairing Removal Program
14TS52018-01-05. Service bulletin. 14TS5 Replacing Damaged Aftertreatment Sensor Bosses