Service bulletins for the 2020 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.
661 on file from NHTSA, as of 2026-10-19.
By type
By component
| 8V491 | 2023-05-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ICUC Bulb check function. |
|---|---|
| SF662_V2 | 2023-05-05. Service bulletin. EQUIPMENT. Revised Freightliner Field Service Campaign for TomTom Android Black Box Update |
| SB54-358 | 2023-05-05. 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. |
| ICI23-014 | 2023-05-05. Service bulletin. EQUIPMENT. Important Campaign Information Letter for SF662 TomTom Work Instructions - Correction to Fuse Number. |
| ICI23-010 | 2023-04-07. Service bulletin. STEERING. Important Campaign Information letter communicating that SF660 Field Service Campaign is Replaced by FL967. |
| SF662 | 2023-04-07. Service bulletin. EQUIPMENT. Field Service Campaign for TomTom Android Black Box Update |
| SF660A | 2023-02-04. Service bulletin. STEERING. Revised Field Service Campaign for Drag Link Tapered Joint |
| CALFTL54-027 | 2023-02-02. Service bulletin. ELECTRICAL SYSTEM. Customer Advisory Letter for New Cascadia Vehicles Equipped With D-Climate P4 Ground Cable Anti-Corrosion Sealer Issue. |
| SF660 | 2023-01-06. Service bulletin. STEERING. Field Service Campaign for Drag Link Tapered Joint |
| MYCOM_11012022 | 2022-12-03. 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. |
| SS3113-FTL2022 | 2022-11-02. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Service Solution for DPF Harness Rub-Chafe onTrans-Wire Braided Air Hose. |
| CALFTL42-007 | 2022-11-02. Service bulletin. SERVICE BRAKES, AIR. Customer Advisory Letter for Brake System Modulator Valve Evaluation. |
| SS3109-FTL2022 | 2022-10-04. Service bulletin. VEHICLE SPEED CONTROL. Service Solution for New Cascadia Low PowerComplaint. When additional floor heat insulation is ordered, the throttle pedal in some cases (when the throttle is fully depressed) may not reach 100% (full throttle). This can also occur if aftermarket floor mats are added to the vehicle. |
| SF657 | 2022-10-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Revised Freightliner and Western Star CTP Software Update REVISION: New tools are required. The USB stick with SF657 software already loaded, along with the USB stick to CTP adaptor harness that is On-the-Go (OTG) protocol compliant, now have part numbers that can be purchased through the parts distribution center (PDC). |
| SF625 | 2022-10-04. Service bulletin. ELECTRICAL SYSTEM. Revised Freightliner Service Bulletin version 3 for Freightliner Cascadia 3G to 4G Common Telematics Platform (CTP) Update. Newest Revision: A screenshot of the DiagnosticLink image shown in Fig. 40, on page 31, with the message ’Activation OK’ must be kept on file with the repair order. The work instructions have been revised to account for this requirement starting with step 12, on page 31. Previous Revision: A one-time purchase of new tools is required. A USB stick, with SF625 software already loaded, along with a USB stick-to CTP adaptor harness that is On-the-Go (OTG) protocol compliant, now have part numbers available for purchase through the parts distribution center (PDC). |
| SB54-359 | 2022-10-04. Service bulletin. ELECTRICAL SYSTEM. Freightliner Service Bulletin for ABS mBSP ECU Software Update Fault Code 629-11. New Cascadia vehicles manufactured from September 12, 2018 through March 22, 2021 that are equipped with WABCO Anti-Lock Braking System (ABS) controllers log excessive 629-11 fault codes, which can lead to additional downstream fault codes. The ABS controller will receive a software update to eliminate erroneous fault codes and ensure proper function. |
| ICI22-044 | 2022-10-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Important Campaign Information Letter for SF657 – Revised Bulletin. Newest Revision: A screenshot of the DiagnosticLink screen showing in Fig.15 showing 'Activation OK' must be kept on file with the repair order. This letter is to inform you that tools are now required for the SF657 repair, and the work instructions have been updated. |
| ICI22-042 | 2022-10-04. 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. |
| SF630 | 2022-09-07. Service bulletin. LANE DEPARTURE. Revised Field Service Campaign for Cascadia Lane Assist Software. |
| SS3108-FTL2022 | 2022-09-01. Service bulletin. EQUIPMENT. Service Solution for MS01T Maintenance System FaultCode Diagnosis |
| SS3107-FTL2022 | 2022-09-01. Service bulletin. EQUIPMENT. Service Solution for New Cascadia Replacing Common Telematics Platform (CTP) 1 With a CTP2 |
| CALFTL26-002 | 2022-09-01. Service bulletin. POWER TRAIN. Customer Advisory Letter for Eaton Endurant Transmissions Require Oil Coalescing Air Dryer Cartridges |
| SS3076-FTL2022 | 2022-08-02. Service bulletin. VISIBILITY. Main Mirror Arm Covers Loose - Falling Off. Lower arm covers designs have clips that hold the cover on but over time the clips can fail and allow the covers to become loose or fall off. |
| SB54-356 | 2022-08-02. Service bulletin. VISIBILITY. Revised Freightliner Service Bulletin for HVAC Software Updates. Description of Revisions: This bulletin replaces the version dated 06/21/2022. Formatting errors have been corrected. |
| SS1034544 | 2022-07-02. Service bulletin. ELECTRICAL SYSTEM. Service Solution for SSAM Fault 520197/31 - MQ SwitchMalfunction Troubleshooting |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.