2022 Freightliner Cascadia Technical Service Bulletins

389 technical service bulletins (TSBs) are on record for the 2022 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.

• 10214904Jun 20, 2022Visibility (wipers, defrost, mirrors). Freightliner Service Bulletin for HVAC Software Updates
• 10214908Jun 7, 2022Body and structure. Freightliner Field Service Campaign for Freightliner Cascadia Integral Tail Lamp and Back Up Alarm Bracket
• 10213233May 31, 2022Fuel system. Service Solution for 100/120/130 Gallons Fuel Tanks interference/rubbing with fairing bracket.
• 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.
• 10213235May 2, 2022Engine cooling. Customer Advisory Letter for Gen 5 DD15 Proactive Exhaust Rocker Arm Replacement.
• 10210757Apr 25, 2022Electrical system. Freightliner Service Bulletin for Low Variant sSAM Broadcasting High Variant Hardware Part Number. This service bulletin addresses low variant sSAM modules broadcasting the incorrect hardware part number when viewed in DiagnosticLink, and applies to New Cascadia vehicles.
• 10210559Apr 25, 2022Transmission and drivetrain. Service Solution for ShipShort Intelligent Powertrain Management (IPM). Due to electronic control supply shortages, vehicles shipped without the Intelligent Powertrain Predictive Cruise (IPPC) module. The purpose of the IPPC module is to improve fuel efficiency when the Predictive Cruise Control feature is enabled. Not having the IPM does not affect othercruise control functions, such as Adaptive Cruise Control or…
• 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…
• 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.
• 10208397Feb 28, 2022Lane departure. Service Solution for Cascadia with Functional Side Guard Assist and Incorrect Dash Labels
• 10208396Feb 28, 2022Electrical system. Service Solution for Cascadia Low Variant sSAMBroadcasting High Variant Hardware P/N
• 10208395Feb 26, 2022Brakes. Revised Field Service Campaign for Cascadia, 49X ABS MBSP+ Controller Software Update
• 10208394Feb 26, 2022Brakes. Important Campaign Information letter for SF622 – Addition of 8x4 Vehicles to Populationx
• 10208715Feb 23, 2022Vehicle speed control. Notice for certain vehicles: Due to the way in which this vehicle was configured, the vehicle does not display the Cruise Control telltale on the instrument cluster when the Cruise Control system is turned On. All other Cruise Control functionality works as intended, including the driver’s ability to disable Cruise Control by engaging the brakes.
• 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.
• 10208384Feb 15, 2022Equipment. Freightliner Parts Technical Bulletin for Discontinued Radio Replacement.
• 10226979Jan 31, 2022Brakes. Customer Advisory Letter for Inspection of Air Disc Brake Caliper Mounting Fasteners.
• 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.
• 10207351Jan 20, 2022Electrical system. Cascadia sSAM withConnector Cavity Terminals Missing. No symptoms associated with this Service Solution, only information related to the “Low Variant’Single Signal Detection and Actuation Module (sSAM ). Due to electronic driver shortages, low variant sSAM were created for installation on vehicles not requiring the full use of sSAM drivers. The low variant module eliminates 7 pins in the sSAM.
• 10207307Jan 14, 2022Engine cooling. Exhaust Pipe and Cab Support Bracket Interference
• 10205980Dec 9, 2021Visibility (wipers, defrost, mirrors). Cascadia Sleeper Dome Light Shortages
• 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.
• 10205877Dec 6, 2021Electrical system. Positive Battery Load Disconnect Switch Back-of-Cab (BOC) Installation.
• 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.
• 10203750Nov 15, 2021Lane departure. Field Service Campaign for Cascadia Lane Assist Software. Certain vehicles may experience the loss of Active Lane Assist (ALA) while driving due to decreased sensitivity of the steering wheel, with no visible indicator to the operator. ALA is an accessory system and the driver controlled steering function including power steering is not affected.
• 10203749Nov 15, 2021Lane departure. Important Campaign Information letter for SF630 – Revised and Reactivated Bulletin. This letter is to inform you that campaign SF630, Cascadia Lane Assist Software, will be reactivated with revised work instructions Monday, 11/15/21. Please print and use the revised bulletins for all work under SF630 from this point forward.
• 10203747Nov 3, 2021Electrical system. Customer Advisory Letter for Battery Load Disconnect Switch Installation. These work instructions cover replacing the battery cable access (BCA), installing a battery load disconnect switch, and installing a harness between the new BCA and battery load disconnect switch.
• 10202729Oct 22, 2021Lane departure. SF630 Campaign Suspended. This letter is to inform you that campaign SF630, Cascadia Lane Assist Software, will be suspended today Friday, 10/22/21. On 10/22/21 you will see SF630 marked as 'Suspended' in OWL. It has been determined that a change in the procedure is necessary. A second Important Campaign Information letter will be posted when the changes have been made and the campaign is reactivated.
• 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.
• 10200606Aug 25, 2021Electrical system. Customer Advisory Letter for New Cascadia Aluminum Battery Cable Replacement. This customer advisory letter is intended to provide parts for inspection by DTNA Engineering to finalize a technical solution for an upcoming recall: FL893/NHTSA 21V-481.
• 10200611Aug 24, 2021Brakes. Revised Field Service Campaign for Cascadia/49X ABS MBSP+ Controller Software Update. REVISION: The work instructions have been revised. Certain vehicles have a WABCO Anti-Lock Braking System (ABS) controller that logs excessive 629-11 fault codes which subsequently lead to additional downstream fault codes.
• 10200610Aug 24, 2021Brakes. Important Campaign Information Letter for SF622 – Campaign Revision/Reactivation. This letter is to inform you that the work instructions for Field Service Campaign SF622, Cascadia/49X ABS MBSP+ Controller Software Update have been revised.
• 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.
• 10200706Aug 10, 2021Equipment. Freightliner Action Bulletin for Cascadia Sleeper Cabinet Options. Improved cabinet options in sleeper models to increase storage and customize to the driver’s liking.
• 10200704Aug 2, 2021Brakes. Customer Advisory Letter for Inspection of Steer Axle Drum Brake Spider Fasteners.
• 10199894Jul 29, 2021Transmission and drivetrain. Communication for 75W-85 Detroit Axle Oil Supply Shortage.
• 10199788Jul 29, 2021Electrical system, Transmission and drivetrain. Shortage Communication Letter for Continued Part Shortages.
• 10199900Jul 28, 2021Equipment. Storage Console Shortage. Freightliner and Western Star orders with the following option may experience a temporary delay in availability of the storage console mounted on the interior backwall of Daycabs.
• 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…
• 10199374Jul 16, 2021Forward collision avoidance. Training Solutions for Detroit Assurance Frontend Radar (RDF) General Troubleshooting Approach. This solution acts as an overall guide for troubleshooting Frontend Radar (RDF), Adaptive Cruise Control (ACC), and Active Brake Assist (ABA) issues. The troubleshooting approach below is an all-encompassing approach to address most of the relevant complaints related to the RDF. Some of it may be redundant for the…
• 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.

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