2021 Freightliner CascadiaService bulletins
2021 Freightliner Cascadia Technical Service Bulletins
509 technical service bulletins (TSBs) are on record for the 2021 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.
- 11010186Oct 17, 2024Engine. CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
- 11010157Oct 9, 2024Transmission and drivetrain. Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles
- 11010134Oct 8, 2024Engine. Important Campaign Infomration letter for DDC D23M1 - Campaign Extended
- 11010143Oct 1, 2024Engine. Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
- 11008512Sep 23, 2024Transmission and drivetrain. Revised Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles. Description of Revisions: This bulletin replaces the version dated 07/17/2024. Added metadata for fault code.
- 11008539Sep 19, 2024Transmission and drivetrain. CX Advocate for NFD fill plugs
- 11008535Sep 19, 2024Engine. CX Advocate for HDEP High Pressure Fuel Line Seal Failures
- 11008508Sep 16, 2024Engine. Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
- 11007498Aug 29, 2024Transmission and drivetrain. Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management. Description of Revisions: The bulletin replaces the version dated 05/14/2024. Creation date has been updated.
- 11007499Aug 28, 2024Transmission and drivetrain. Revised Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles. Description of Revisions: This bulletin replaces the version dated 07/17/2024. Added metadata for fault code.
- 11007523Aug 15, 2024Engine. CX Advocate for Missing Regen ‘switch’ menu on ICUC Screen
- 11007517Aug 15, 2024Engine. CX Advocate for ConMet Oil Pan Insert Additional Failures
- 11007516Aug 15, 2024Engine. CX Advocate for clean idle label placement
- 11007514Aug 15, 2024Electrical system. CX Advocate for Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality (TSB54-369-FTL, TSB54-095-WST)
- 11007513Aug 15, 2024Engine. CX Advocate for AutoElevate Disablement Gen5 Engines
- 11007512Aug 15, 2024Engine. CX Advocate for benefits of Autoelevate and hydrocarbon faults
- 11007487Aug 15, 2024Engine. Important Campaign Information letter for DDC D23M3 - Campaign Reactivated and Extended. Field Service Campaign D23M3 - GHG17 DETROITTM DD16® Vibration Damper Replacement has been extended for an additional 6 months.
- 11005490Jul 30, 2024Electrical system. Technical Service Bulletin for New Battery Cable Access Parts for Improved Cold Weather Functionality
- 11005472Jul 19, 2024Visibility (wipers, defrost, mirrors). My Communications for New Espar HS3 Heater and Extreme Insulation
- 11005500Jul 18, 2024Engine. CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission.
- 11005496Jul 18, 2024Transmission and drivetrain. CX Advocate for differential maintenance
- 11005495Jul 18, 2024Electrical system. CX Advocate for CTP2 Shortage Recovery – Cummins Only (SF685)
- 11005494Jul 18, 2024Engine. CX Advocate for ConMet Oil Pan Insert Additional Failures
- 11005493Jul 18, 2024Engine. CX Advocate for AutoElevate Disablement Gen5 Engines
- 11005469Jul 18, 2024Electrical system. Service Solution for ECP Solenoid Interim Service Replacement Parts
- 11005471Jul 17, 2024Transmission and drivetrain. Revised Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles. Description of Revisions: This bulletin replaces the version dated 06/27/2024. Table references has been updated.
- 11005448Jul 17, 2024Engine. Customer Advisory Letter for Proactive Air Compressor, Resonator, and Suction Line Replacement
- 11005470Jul 1, 2024Transmission and drivetrain. Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management. Description of Revisions: The bulletin replaces the version dated 05/14/2024. Creation date has been updated.
- 11003842Jun 28, 2024Transmission and drivetrain. Revised Technical service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles. Description of Revisions: This bulletin replaces the version dated 05/13/2024. ECU part number, frequently asked questions, addendum and validation of repair has been added.
- 11003924Jun 21, 2024Transmission and drivetrain. CX Advocate communication for clutch bolts
- 11003889Jun 21, 2024Engine. CX Advocate communication for NOx conversion low faults
- 11000980May 29, 2024Transmission and drivetrain. Technical Service Bulletin for New Final Drive Over Heat Diagnostic
- 11000977May 29, 2024Engine. Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update
- 11001976May 21, 2024Engine. Customer letter regarding variable speed water pump.
- 11001189May 21, 2024Electrical system. Field Service Campaign Owner Reminder Postcard large population
- 11001188May 21, 2024Electrical system. Field Service Campaign Owner Reminder Postcard small population
- 11001186May 21, 2024Electrical system. Field Service Campaign Owner Reminder Postcard large population
- 11001185May 21, 2024Electrical system. Field Service Campaign Owner Reminder Postcard small population
- 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
- 11000964May 10, 2024Engine. Field Service Campaign for Drilled Exhaust Rocker Arm Installation
- 11000963May 10, 2024Engine. Field Service Campaign for Drilled Exhaust Rocker Arm Installation
- 11000960May 10, 2024Engine. Field Service Campaign for Drilled Exhaust Rocker Arm Installation
- 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, 2024Transmission and drivetrain, Engine cooling. 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
← All problems reported for the 2021 Freightliner Cascadia
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.