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Service bulletins for the 2018 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.

1044 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
SF6732024-04-02. Service bulletin. EQUIPMENT. Field Service Campaign for Common Telematics Platform (CTP) Installation and Initialization
SF672_V42023-12-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Revised Field Service Campaign for Common Telematics Platform Software Update
SB60-1782023-11-03. Service bulletin. EQUIPMENT. Service Bulletin for Relocating the Bluetooth Microphone
SF6722023-06-29. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Field Service Campaign for Common Telematics Platform Software Update
SB54-3582023-05-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Revised Freightliner Service Bulletin for Converting CTP1 to CTP2. Description of Revisions: This bulletin replaces the version dated 11/28/2022. The CTP replacement part number has been updated.
MYCOM_110120222022-12-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. My Communications for SF625 and SF657 Pre-Flashed USB Tools. The download files for SF625 and SF657 are no longer available in our download center. In order to perform these updates you will need to order the Pre-Flashed USB tools from the PDC. This will allow for a more efficient and timely service.
SB54-3582022-12-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Freightliner Service Bulletin for Converting CTP1 to CTP2.
ICI22-0422022-10-04. Service bulletin. EQUIPMENT. Important Campaign Information Letter for SF625 Revised Work Instructions/Screenshot Requirement. Newest Revision: A screenshot of the DiagnosticLink image shown in Fig. 40, on page 31 of the work instructions, with the message 'Activation OK' must be kept on file with the repair order. Previous Revision: This letter is to inform you that tools are now required for the SF625 repair, and the work instructions have been updated.
SS3107-FTL20222022-09-01. Service bulletin. EQUIPMENT. Service Solution for New Cascadia Replacing Common Telematics Platform (CTP) 1 With a CTP2
CALFTL54-0242022-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Customer Advisory Letter for Cascadia CTP Not Communicating: Requires Reset.
CALFTL54-0232022-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Customer Advisory Letter for Cascadia CTP Not Communicating: Requires Reset.
SF625REV22022-06-04. Service bulletin. EQUIPMENT. Revised Field Service Campaign for Freightliner Cascadia 3G to 4G Common Telematics Platform (CTP) Update. REVISION: The work instructions have been updated with additional information regarding the USB flash drive, USB adapter, and the software download procedure. The minimum recommended size of the USB flash drive has been increased to 2 GB.
SF611REV22022-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Revised Field Service Campaign for Cascadia CTP Reset. Certain vehicles equipped with DTNAs proprietary Common Telematics Platform (CTP) are not communicating; therefore they are unable to benefit from over-the-air software updates. The CTP will be reset and some will also be initialized.
ICI22-0222022-06-04. Service bulletin. EQUIPMENT. Important Campaign Information for SF625 – Revised Work Instructions. This letter is to inform you that the work instructions for SF625 have been updated with additional information regarding the USB flash drive, USB adapter, and the software download procedure.
SF6252022-04-01. Service bulletin. EQUIPMENT. Freightliner Service Bulletin for Freightliner Cascadia 3G to 4G Common Telematics Platform (CTP) Update
ICI21-0382022-01-04. Service bulletin. EQUIPMENT. Important Campaign Information Letter for SF576 – Reactivated and Termination Date Extended.
CTP1Updates2021-10-06. Service bulletin. EQUIPMENT. DetroitConnect follow-up customer communication for certain vehicles unable to complete over the air updates including parameters and DDEC over the air.
CTP1Updates2021-10-06. Service bulletin. EQUIPMENT. DetroitConnect customer communication for certain vehicles unable to complete over the air updates including parameters and DDEC over the air.
MYCOM_091321-32021-10-06. Service bulletin. EQUIPMENT. My Communication for Detroit Connect Over the Air Issue Update. This is an update for the previously communicated Over the Air functionality issue on CTP1s. We are currently testing a solution for the issue that is affecting these CTP1 telematics devices. While testing is not complete initial results are promising. The solution will require a soft ware update which is currently planned for October/November.
SS3085FTL-20212021-08-28. Service bulletin. EQUIPMENT. Service Solution for Cummins PTO functionality error software level 81Z-006. Cascadia/Western Star 49X with Cummins engines combined with software level 81Z-006. A programming bug in the central gateway (CGW) for software level 81Z-006 will not allow completion of the preset #2 PTO engine speed. During PTO speed request for anything greater than the #1 set speed , if the Cummins ECU software determines that the increase in speed isn't ramping fast enough, it will refer to an engine torque control setting instead of the engine speed control setting.
CALFTL42-0042021-05-26. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; SERVICE BRAKES, HYDRAULIC. Customer Advisory Letter for Drive Axle Drum Brake S-Cam U-Bolt Replacement.
CALFTL60-0012021-05-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Customer Advisory Letter on Adding HVAC Ducting and Vent for the Upper Bunk
FTLCAE184-20172021-05-17. Service bulletin. EQUIPMENT. Air-to-Oil Coolers for New Detroit DT12
FTLCAE182-20172021-05-17. Service bulletin. POWER TRAIN; EQUIPMENT. New DT12 Transmission for Original Cascadia
FTLCAE173-20172021-05-17. Service bulletin. EQUIPMENT; POWER TRAIN. Air-to-Oil Coolers for DT12 in New Cascadia

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