2017 Freightliner Cascadia Technical Service Bulletins

1,143 technical service bulletins (TSBs) are on record for the 2017 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
• 10252343Mar 19, 2024Engine cooling. Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update
• 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.
• 10249516Jan 19, 2024Engine cooling. Emissions Recall: Cummins DEF Sensor Shortage
• 10244759Oct 11, 2023Equipment. Service Bulletin for Relocating the Bluetooth Microphone
• 10241574Aug 11, 2023Body and structure. Freightliner Parts Bulletin for Aero Bumper Air Dam Part Supersession
• 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.
• 10235642Apr 3, 2023Electrical system, Equipment. 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.
• 10226982Nov 28, 2022Electrical system, Equipment. Freightliner Service Bulletin for Converting CTP1 to CTP2.
• 10227061Nov 1, 2022Equipment, 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.
• 10225500Oct 31, 2022Engine cooling, Electrical system. Service Solution for DPF Harness Rub-Chafe onTrans-Wire Braided Air Hose.
• 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.
• 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…
• 10219007Aug 29, 2022Equipment. Service Solution for New Cascadia Replacing Common Telematics Platform (CTP) 1 With a CTP2
• 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
• 10214904Jun 20, 2022Visibility (wipers, defrost, mirrors). Freightliner Service Bulletin for HVAC Software Updates
• 10213233May 31, 2022Fuel system. Service Solution for 100/120/130 Gallons Fuel Tanks interference/rubbing with fairing bracket.
• 10213228May 27, 2022Equipment. 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.
• 10213216May 24, 2022Equipment. 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.
• 10213222May 10, 2022Transmission and drivetrain. Updated Freightliner Service Bulletin for Meritor Rear Axle Temperature Parameters. This bulletin replaces the version dated 1/22/2022. The build date in General Information has been added.
• 10210557Apr 25, 2022Forward collision avoidance. Service Solution for Cummins Engine andWABCO OnGuard (Obtaining Cruise When AdaptiveCruise Is Interrupted). Interruption of the forward radar system results in loss of both standard and adaptive cruise functions. The OnGuard system will recover (self-heal), once the issue goes away, but the drivercannot get Adaptive Cruise Control functional until the ignition switch is cycled. Applies to all New Cascadia vehicles…
• 10210555Apr 20, 2022Visibility (wipers, defrost, mirrors). Freightliner Parts Technical Bulletin for TufGlass Windshield Replacement. Effective April 20, 2022, owners of New Cascadia vehicles have the option of replacing factory-installed standard windshields with L20 TufGlass windshields.
• 10210548Apr 13, 2022Transmission and drivetrain. Important Campaign Information Letter for DDC D21M1 Termination Date Extended. This letter is to inform you that a revised bulletin for Detroit Diesel Field Service Campaign D21M1, DT12 Transmission Drive Shaft Cover Plug Reseal has been EXTENDED for an additional three months. Please use the extended termination date for all work under D21M1 from this point forward. REVISION: D21M1 termination date extended to…
• 10209464Mar 30, 2022Equipment. Freightliner Service Bulletin for Freightliner Cascadia 3G to 4G Common Telematics Platform (CTP) Update
• 10209463Mar 28, 2022Transmission and drivetrain. Revised Freightliner Service Bulletin for DT12 Transmission Control Harness Chafing the Transmission Control Module
• 10209296Mar 2, 2022Engine cooling. Revised Freightliner Service Bulletin for ParkSmart Eberspaecher Auxiliary Heater Service. This bulletin replaces the version dated May 2015. The note in General Information has been revised to include New Cascadia. Espar information has been changed to reflect a company name change to Eberspaecher.
• 10208390Feb 21, 2022Electrical system. Freightliner Service Bulletin for Battery Load Disconnect Switch Installation. Cab load disconnect switches (CLDS), also known as positive load disconnect, installed on selected vehicles can reduce battery drain when the vehicle is not operational.
• 10208389Feb 15, 2022Engine cooling. Freightliner Service Bulletin for DEF Connector Reinforcement Caps.
• 10208388Feb 4, 2022Suspension. Freightliner Service Bulletin for Front Spring Eye Bushing Replacement
• 10207541Jan 31, 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.
• 10207310Jan 21, 2022Transmission and drivetrain. Meritor Rear Axle Temperature Parameters On Cascadia vehicles equipped with Meritor drive axles, the high temperature warning parameter is set too low for some applications, for vehicles equipped with synthetic oil, and for certain conditions that are not harmful to the axle.
• 10205881Dec 7, 2021Transmission and drivetrain. DT12 Transmission Control Harness Chafing the Transmission Control Module. Classic and New Cascadia vehicles equipped with DT12 transmissions, built from approximately January 2017 to mid-March 2021, may experience rubbing/chafing on the chassis harness near the transmission.
• 10203755Nov 23, 2021Suspension. Service Solution for Aero Height Control Interfering with RDF Alignment. The Aerodynamic Height Control feature on the New Cascadia is a feature that raises and lowers the air suspension with relation to vehicle speed in order to reduce drag and achieve better fuel efficiency. The Hadley Smart Valve (HSV) is the module that makes this possible by applying and exhausting air from the rear axle suspension as necessary.
• 10203754Nov 23, 2021Visibility (wipers, defrost, mirrors). Updated Service Solution for 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.
• 10201684Sep 15, 2021Lane departure. Service Solution for Damaged SGA Wires at GrabHandle Located on Right A Pillar. The field had reported failed VRDU modules related to wires damage for the SGA.
• 10201999Sep 13, 2021Equipment. DetroitConnect follow-up customer communication for certain vehicles unable to complete over the air updates including parameters and DDEC over the air.
• 10201989Sep 13, 2021Equipment. 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.
• 10200615Aug 19, 2021Equipment. 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.
• 10200621Aug 18, 2021Transmission and drivetrain. Freightliner Service Bulletin for Detroit New Final Drive (NFD) Rear Axle Temperature Parameters. Some New Cascadia trucks equipped with Detroit Diesel New Final Drive (NFD) axles have a high temperature warning parameter. The warning is set too low for some applications, and under certain conditions that are not harmful to the axle, the high temperature warning will appear on the dash and indicate an error…
• 10200709Aug 10, 2021Forward collision avoidance. Service Solution for Detroit Assurance Radar Front End Shipping Label. It has been reported that in some cases shipping labels may have been affixed to the inside center of the front cover on aftermarket parts. The shipping label has since been moved to the outer edge of the front cover, which should not affect the RDF's ability to properly sense obstacles located in front of the vehicle.
• 10200623Jul 22, 2021Visibility (wipers, defrost, mirrors). Freightliner Service Bulletin for Rain Sensor not Detecting Material on the Windshield. The rain light sensor (RLS) requires proper mounting and clear windshield visibility for auto wipe to function properly. It is always recommended when checking for proper operation of the RLS, that the sensor be properly fastened to its mounting bracket and that the gel is free of fingerprints and foreign material. Also ensure…
• 10199373Jul 16, 2021Suspension. Service Solution for Aero Height Control Interfering with RDF Alignment and 42/523004/13 and 232/524042/9 Active for vehicles equipped with Hadley Smart Valve. The Aerodynamic Height Control feature on the New Cascadia is a feature that raises and lowers the air suspension with relation to vehicle speed in order to reduce drag and achieve better fuel efficiency.
• 10199372Jul 16, 2021Fuel system. Service Solution for New Cascadia Fuel Sending Unit Connector Loose.
• 10199371Jul 14, 2021Forward collision avoidance, Lane departure. Service Solution for VRDU Fault Code 232/524000/19and 232/524049/19 – ECU CPC Data Error. This VRDU code typically sets after the VRDU gets reprogrammed and parameters to clear out. To prevent this from happening in the future, follow the programming guide laid out in SB 54-308.Parameter changes during flashing can occur if the programming steps are not followed.
• 10200620Jun 2, 2021Forward collision avoidance. Freightliner Service Bulletin for Detroit Assurance 4.0 Software v20.05. Cascadia trucks built from January 1, 2017 through September 9, 2019 and equipped with Detroit Assurance correctly initiate an active brake assist (ABA) event when a vehicle or obstacle is detected in front of the truck. Some of those trucks may continue decelerating to a complete stop, even after the vehicle or obstacle detected in front of…

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