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Service bulletin CALFTL54-002

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 id10194444
Published by NHTSA2021-05-25
Manufacturer's numberCALFTL54-002
Manufacturer's date2019-05-07
NHTSA componentELECTRICAL SYSTEM; PARKING BRAKE

NHTSA's summary

Customer Advisory Letter on Enabling Horn Alarm with the Door Open and the Park Brake Set

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

Brakes, Electrical system, Parking brake

Vehicles listed
FREIGHTLINER CASCADIA2019, 2020, 2021, 2022

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

Recalls for the same vehicles and component
22V4680002022-06-30. PARKING BRAKE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
DOC-10342252019-06-10. Service bulletin. Accent / Park Light Function Disable Accent / Park Light Function Disable
York Loose Calip2018-12-10. Service bulletin. York Loose Caliper Letter to Customer
P4 Trailer Hold2018-10-29. Service bulletin. Trailer Hold System Testing
DOC-10334162018-06-18. Service bulletin. SS 1033416 New Cascadia ICUC Brake Drag Warning Message Appears For Approximately 3 Seconds When Applying Or Releasing The Parking Brake