2020 Freightliner Cascadia Technical Service Bulletins

661 technical service bulletins (TSBs) are on record for the 2020 Freightliner Cascadia. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11000976May 15, 2024Transmission and drivetrain. Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management
• 11000981May 14, 2024Transmission and drivetrain. Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles
• 11000951May 2, 2024Electrical system. Customer Advisory Letter for New Cascadia Vehicles Equipped With D- Climate P4 Ground Cable Anti-Corrosion Sealer Issue
• 10253879Apr 25, 2024Engine cooling. Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
• 10253858Apr 2, 2024Engine cooling. Customer Advisory Letter for Proactive Oil Thermostat Replacement
• 10252340Mar 20, 2024Engine cooling, Transmission and drivetrain. Service Solution for J1939 CAN issues for vehicles equipped with Bendix Side Radar with expanded field of view
• 10252343Mar 19, 2024Engine cooling. Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update
• 10252334Mar 7, 2024Equipment. Field Service Campaign for Common Telematics Platform (CTP) Installation and Initialization
• 10251231Feb 20, 2024Engine cooling. Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update
• 10251202Feb 20, 2024Engine cooling. Important Campaign Information letter for FL974 - Revised Bulletin & Population
• 10251200Feb 20, 2024Engine cooling. Revised Emissions Recall: Cummins DEF Sensor Shortage. REVISION: Some vehicles formerly in Group F have been moved to Group G and have been assigned a new part number as specified in Table 1. An SRT for 'Calibration Code Only: Update or Confirm' has been added, as shown in Table 2, to be used when a new DEF header is not required. There have been some other minor changes to the work instructions and SRT times.
• 10251203Feb 14, 2024Vehicle speed control. Important Campaign Information letter for SF669 Campaign Suspended
• 10249516Jan 19, 2024Engine cooling. Emissions Recall: Cummins DEF Sensor Shortage
• 10248135Dec 19, 2023Vehicle speed control. Field Service Campaign for Adaptive Cruise Control
• 10246175Nov 3, 2023Electrical system, Equipment. Revised Field Service Campaign for Common Telematics Platform Software Update
• 10244759Oct 11, 2023Equipment. Service Bulletin for Relocating the Bluetooth Microphone
• 10244760Oct 5, 2023Body and structure. Revised Service Bulletin for Cab Isolator for Trucks Domiciled in Mexico
• 10243342Sep 29, 2023Other or unknown. Service Solution for P4 New Cascadia Web Mounted 5th Wheel Ramps
• 10243337Sep 14, 2023Body and structure. Revised Freightliner Service Bulletin for Cab Isolator for Trucks Operating in Extreme Conditions. Description of Revisions: This bulletin replaces the version dated June 2023. The title has been updated.
• 10243335Sep 12, 2023Engine cooling. Customer Advisory Letter for Towing Related to Low Coolant Faults
• 10241574Aug 11, 2023Body and structure. Freightliner Parts Bulletin for Aero Bumper Air Dam Part Supersession
• 10241572Aug 3, 2023Body and structure. Customer Advisory Letter for Center Drive Wheel Fairing Frame Rail Support Bracket Inspection
• 10240131Jul 13, 2023Visibility (wipers, defrost, mirrors). Revised Service Bulletin for Updating HVAC ECU Software to Fix Front HVAC Evaporator Freezing and Improve Espar Heater Cool Down. Description of Revisions: This bulletin replaces the version dated December 2021. The general information and warranty information has been updated.
• 10238260Jun 2, 2023Equipment, Electrical system. Field Service Campaign for Common Telematics Platform Software Update
• 10235647Apr 20, 2023Equipment. Revised Freightliner Field Service Campaign for TomTom Android Black Box Update
• 10235639Apr 10, 2023Equipment. Important Campaign Information Letter for SF662 TomTom Work Instructions - Correction to Fuse Number.
• 10235642Apr 3, 2023Equipment, 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.
• 10233951Mar 31, 2023Steering. Important Campaign Information letter communicating that SF660 Field Service Campaign is Replaced by FL967.
• 10233404Mar 20, 2023Equipment. Field Service Campaign for TomTom Android Black Box Update
• 10230657Jan 11, 2023Electrical system. Customer Advisory Letter for New Cascadia Vehicles Equipped With D-Climate P4 Ground Cable Anti-Corrosion Sealer Issue.
• 10230910Jan 9, 2023Steering. Revised Field Service Campaign for Drag Link Tapered Joint
• 10228679Dec 14, 2022Steering. Field Service Campaign for Drag Link Tapered Joint
• 10227061Nov 1, 2022Electrical system, Equipment. 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.
• 10225500Oct 31, 2022Electrical system, Engine cooling. Service Solution for DPF Harness Rub-Chafe onTrans-Wire Braided Air Hose.
• 10225490Oct 6, 2022Brakes. Customer Advisory Letter for Brake System Modulator Valve Evaluation.
• 10222238Sep 28, 2022Vehicle 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.
• 10222229Sep 28, 2022Electrical 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…
• 10222222Sep 23, 2022Equipment, 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.
• 10222237Sep 20, 2022Equipment, 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).
• 10222235Sep 19, 2022Electrical 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…
• 10222220Sep 19, 2022Equipment. 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…
• 10219008Aug 29, 2022Equipment. Service Solution for MS01T Maintenance System FaultCode Diagnosis
• 10219007Aug 29, 2022Equipment. Service Solution for New Cascadia Replacing Common Telematics Platform (CTP) 1 With a CTP2
• 10219276Aug 26, 2022Lane departure. Revised Field Service Campaign for Cascadia Lane Assist Software.
• 10218999Aug 10, 2022Transmission and drivetrain. Customer Advisory Letter for Eaton Endurant Transmissions Require Oil Coalescing Air Dryer Cartridges
• 10216939Jul 28, 2022Visibility (wipers, defrost, mirrors). 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.
• 10216933Jul 1, 2022Visibility (wipers, defrost, mirrors). 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.
• 10214910Jun 30, 2022Electrical system. Service Solution for SSAM Fault 520197/31 - MQ SwitchMalfunction Troubleshooting
• 10214909Jun 23, 2022Equipment, Electrical system. Field Service Campaign for Freightliner and Western Star CTP Software Update
• 10214904Jun 20, 2022Visibility (wipers, defrost, mirrors). Freightliner Service Bulletin for HVAC Software Updates

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