2025 Freightliner Cascadia technical service bulletins
283 technical service bulletins and manufacturer communications cover the 2025 Freightliner Cascadia, including 3 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Standard Warranty Extension for vehicles with TitanX Radiators
- Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair...
- Warranty Policy Letter for Steering Wheel Centering Policy Amendment
- Fleet Communications for the status of a fuel investigation regarding fuel pumps
- Field Service Campaign for Cascadia ACC Engagement
- Fleet Communications for CTP3 Antenna Bluetooth Communication Issue (SF736)
- Fleet Communications for Planned Enhancements
- Fleet Communications for Planned Enhancements – CPCA – Concentric Pneumatic Clutch Actuator
- CX Advocate for Surge Tank Level Sensor Float Sinking
- Technical Service Bulletin for Door Sill Plate Bracket Repair
- CX Advocate for CTP3 Antenna Bluetooth Communication Issue (SF736)
- Technical Service Bulletin for HVAC Stops Cooling
- Detroit Transmissions Manual Update for Symptom Diagnostics — DT12 C/D Box Range Shift to Neutral with...
- Draining Water Trapped in the Upper A-Pillar
- Revised Warranty Information letter for missing chamber caging bolts
- Fleet Communications for Hadley Smart Valve
- Truck Equipment Manufacturer upfit guide for Detroit Assurance Forward Radar Relocation and Adjustment
- CX Advocate for Lost/Damaged Replacement F1011/F1015 Labels
- Field Service campaign for Cascadia CTP3 Antennas
- Revised Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles
- Warranty Information letter for missing chamber caging bolts
- Customer Advisory Letter for XMC02T Service Record Update for Smart Valve Wake Behavior
- CX Advocate for Eliminating Retaining H-Plate; Revised to Native Voss QuickConnect
- CX Advocate for Utility Lamp water intrusion
- Warranty Information letter for Reman Parts Usage Policy Reminder
- Revised Technical Service Bulletin for DT12 OVX Transmission Refresh
- Service Solution for Progressive Low Voltage Disconnect Parameter Update
- Revised Technical Service Bulletin for DT12 Range Detent Diagnostic
- CX Advocate for P4 Side Guard Assist On/Off Menus and Trailer Functionality (TSB-54-381-FTL)
- Parts Bulletin for Discontinued Camera Cable and Replacement Options
- Fleet Communications for solenoid issues
- Fleet Communications for starter issues
- Fleet Communications for Top Routing and Clipping Defects
- CX Advocate for 1810/02 ABS longitudinal acceleration fault (TSB-54-104-WST,TSB-54-379-FTL)
- CX Advocate for Gen 5 521133/13 DPF Ash Mileage Mismatch
- CX Advocate for error generates when SSR is moved into an engine brake position 1,2,3 (TSB-26-058-FTL,...
- CX Advocate for discolored coolant surge tanks (24CSA-20)
- Technical Service Bulletin forSide Guard trailer detection
- Fleet Communications for Hood Tilt CPC update and OI Comfort Mode parameters
- Fleet Communications for top 10 warranty components and action
- Fleet Communications for TSB-54-379-FTL & TSB-54-104-WST ESC warning lamp and ECU replacement
- Fleet Communications for for Hadley Smart Valve Unintended Raised Rear Suspension
- Fleet Communications for parts bulletin on Fluorosilicone Fuel Tank Cap Seals
- Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
- My Communications for Alliance EX Value Brake Drum
- My Communications for update on UFU R61709 Fuel Filters
- My Communications for fifth wheel leg height changes
- Fleet Communications for ESPAR hydronic heater
- Fleet Communications for composite front suspension bushing
- Revised Technical Service Bulletin for ESC Warning Lamp and ECU Replacement
- Fleet Communications for Hadley Smart Valve Unintended Raised Rear Suspension
- Revised Technical Service Bulletin for DT12 Excessive Wear
- Technical Service Bulletin for DT12 Excessive Wear
- Technical Service Bulletin for ESC Warning Lamp and ECU Replacement
- Technical Service Bulletin for Cascadia Generations
- CX Advocate for Hadley Smart Valve Unintended Raised Rear Suspension
- CX Advocate for Aftermarket Transmission Support
- Technical Service Bulletin for Transmission shift stalk
- Fleet Communications for Intermittent Connections and ECU Fault Codes
- Technical Service Bulletin for DT12 PTO Upfit
- Fleet Communications for Gen 5 521133/13 DPF Ash Mileage Mismatch
- Fleet Communications for TCM Fault 520970/7 – Clutch Unable to Open Fully
- Fleet Communications for ABS Wheel Speed Sensor Faults
- Fleet Communications for Cascadia Front Suspension Spring Pin Bushings
- Fleet Communications for Corrosion Protecton/Glyptal Application
- Fleet Communications for Heater Core Plugging
- Fleet Communications for Mudflap Hanger Bracket Fixturing
- Fleet Communications for Detroit NFD Axle
- Fleet Communications for NFD Lower Oil Plug Location
- Fleet Communications for Detroit Axle NFD ALM to Passive Lube Management
- Fleet Communications for Power Steering Resevoir
- Technical Service Bulletin Low Coolant Sensor
- Revised Technical Service Bulletin for Wabco OnGuard Display Discrepancy
- CX Advocate for New AMTcc
- CX Advocate for Intermittent Connections and ECU Fault Codes
- Fleet Communications for Power Steering Reservoir Fill Cap Venting
- Fleet Communications for Key off amp draw
- Fleet Communications for New AMTcc
- Fleet Communication for SS 3174-FTL
- Fleet communications for Bosch Steering Gear Replacements
- Fleet Communications for Low Coolant Sensor
- Fleet Communications for DPF Ash Mileage Mismatch
- Customer Advisory Letter for Inspecting Upper Cab Drain Tube
- Revised Emissions Recall for VECI Label Emissions Recall
- Important Campaign Information for F1011 & F1015 Campaigns Revised
- My Communications for Update to DTNA parts on UFU R61709
- Features and Benefits for SafetyDirect 5.1
- Service Solution for P4 Main Mirror Arm Covers Loose
- Service Solution for M2 Plus, 108,114SD Plus and New Cascadia Vehicles, SSL and SSR Non-Functional
- CX Advocate for ConMet Oil Pan Insert Additional Issues
- CX Advocate for P4, WST X-Series, DD Engines Low/Critical Low Coolant Warnings
- CX Advocate for technical questions/issues raised
- CX Advocate for TufTrac M12 Bolts (TSB-32-057-FTL)
- CX Advocate for ACC Non-Functional on Cummins X12N with Wabco OnGuard (SF717)
- CX Advocate for Experiencing Excessive Purging from Air Dryer
- CX Advocate for Plastic Opaque Surge Tank Staining
- CX Advocate for 18k Front Suspension Shock Absorbers
- Technical Service Bulletin for TufTrac M12 Bolts
- Important Campaign Information letter for (Revised) Love’s Travel Stops Authorized Campaign Program
- Field Service Campaign for SF721 18k Front Suspension Shock Absorbers
- Owner Notification letter for Cummins field service campaign regarding Adaptive Cruise Control
- CX Advocate for DPF Ash Mileage Mismatch
- CX Advocate for SF715 Stalk Switch Left and Right Inoperative
- Warranty Information letter for Power Steering Tank Venting Diagnostic Procedures Revision
- My Communications for Parts Alert ABS Harness
- My communications for DTNA Announces Extended Coverage Policy Updates
- Revised Parts Bulletin for Cascadia 23-inch Diameter Fuel Tanks
- My Communications for UFI 0-Ring Announcement
- Technical Service Bulletin for DT12 Range Detent Diagnostic
- Field Service campaign for stalk switches
- Important Campaign Information letter for F1015 Campaign Revised
- My Communications for UPDATE TO DTNA PARTS QUALITY ALERT STOCK HOLD on UFU R61709
- CX Advocate for HVAC stops cooling (TSB-83-163-FTL)
- CX Advocate for KY AEB Notice
- CX Advocate for DT12
- Emissions Recall for VECI Label Emissions Recall
- My Communications for Parts Hold on UFU Filter
- Revised Customer Service Annoucement for No Trouble Found Heavy Duty Engine Product (HDEP) Oil Separator Leaks
- Customer letter for Detroit Assurance Kentucky Interstate 71 Road Hazard
- Revised Technical Service Bulletin for Hub Oil Level in Final Drive (NFD) Top Performance Axles on Decked...
- CX Advocate for Detroit Assurance MPC/DFC/RLS Bracket Double Sided Adhesive Failures
- CX Advocate for DEF Regen Inhibit Dash Switch Indicator (SF716)
- Revised Customer Advisory Letter for ICUC Internal Speaker Software Update
- Parts Bulletin for Tie Rod Assembly Part Breakdown
- Field Service Campaign for DEF Regen Inhibit Dash Switch Indicator
- Customer Advisory Letter for New Cascadia Vehicles Equipped with Cummins Engines
- Service Solution for DT12 Oil Plug Ports
- Customer Advisory Letter for New Cascadia Vehicles Equipped with Cummins Engines—Inspection for Properly...
- Service Solution for ICC5 Erroneous Electric Power Steering Warning Message
- Features and Benefits for Detroit Connect Base Service Renewal
- Features and Benefits for Detroit Connect UpfrontService Extension
- CX Advocate for ICC5 erroneous electric power steering warning message (SS3176-FTL)
- CX Advocate for TPMS water intrusion
- CX Advocate for Progressive Low Voltage Disconnect Parameter Update
- Customer Advisory Letter for New Cascadia BCA Electrical Connection Inspection
- My Communications for Detroit Assurance – Adaptive Cruise Control for Cummins Update
- Technical Service Bulletin for Load Dump Switch Inspection and Installation on Dometic Refrigerators
- CX Advocate for NOx conversion low faults
- CX Advocate for SAS01T to SAS03T replacement (TSB54-373-FTL, TSB54-097-WST)
- CX Advocate for wheel seals
- Service Solution for ICC5 B-Panel Gauges Intermittently Not Being Displayed
- Service Solution for Tire Pressure Monitoring System (TPMS) Water Intrusion Through Perimeter Seal
- CX Advocate for DT12 Delayed Acceleration TCM Parameter Issue
- CX Advocate for Cummins Engine with Wired Regen Inhibit Switch (SF703)
- My Communications for Variable Speed Coolant Pump for DD13 Engines
- Technical Service Bulletin for GHG17 and Newer DD Platform Heavy Duty Oil Pan Drain Plug Inserts
- Service Solution for New Cascadia With DT12 Transmission Sluggish Throttle Response or Delayed Shift
- Technical Service Bulletin for Gen 5 DD13 Turbocharger Oil Return Line Cracks
- DT12 ovx
- Technical Service Bulletin for SAS01T to SAS03T Replacement Information
- Detroit Field Service campaign for 2024 HDEP ACM Software Reprogramming.
- Revised Field Service Campaign for Espar Fuel Standpipe Weld
- CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test...
- CX Advocate for Cummins X15 Fuel Pump Cracks (F1010)
- CX Advocate for Espar Fuel Standpipe Weld (SF705)
- CX Advocate for GATS2.4 being expanding to DD15
- CX Advocate for repairing seat occupancy sensor (TSB 91-016-FTL)
- Detroit Freightliner Action Bulletin for Detroit Assurance Active Lane Assist 2
- Service Solution for Cascadia intermittent no-start and CPC not configured message
- Service Solution for Power Steering Reservoir Fill Cap Venting
- Technical Service Bulletin for J1939 Communication Errors with Cummins Engine Automated or Allison...
- Field Service Campaign for Espar Fuel Standpipe Weld
- Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top...
- Technical Service Bulletin for Detroit Drive Axle Identification and Lubrication
- Updated Detroit Ferightliner Action Bulletin for Detroit Connect Safety Plus
- FAB 337 for 4th and Fifth Gen Cascadia RP1226
- Revised Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles
- CX Advocate for discolored coolant surge tank
- CX Advocate for HDEP Running Change
- CX Advocate for P4 J1939 Communication Errors (TSB54-366-FTL)
- Technical Service Bulletin for Repairing Seat Occupancy Sensor for ISRI, SEARS and National Truck Seats
- Service Solution for J1939 CAN issues for vehicles equipped w/ Bendix Side Radar w/ expanded field of view
- Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change...
- Detroit Freightliner Action Bulletin for Detroit Connect Safety Plus
- Detroit Freightliner Action Bulletin for Detroit Assurance with ABA6
- Field Service Campaign for Cummins Engine with Wired Regen Inhibit Switch
- CX Advocate for the following CSA: (24CSA-17,24CSA-19,24CSA-20) Gen 5 DD13 Turbocharger Oil Return Line...
- CX Advocate for overview of the remanufacturing process.
- Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles
- Customer Service Annoucement for Heavy-Duty Engine Product (HDEP) Oil Separator Leaks
- Customer Service Annoucement for Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP)
- My Communications for OnGuard Discontinuation on all Daimler Truck products
- Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
- Customer Advisory Letter for Z-Bracket Welded too High on Rear Axle Differential Housing
- Detroit Customer Service Annoucement for Gen 5 DD13 Turbocharger Oil Return Line Cracks
- Revised Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles
- CX Advocate for NFD fill plugs
- Detroit Customer Service Annoucement for Gen 5 DD15 Cylinder Head Cup Plug Replacement
- Detroit Emissions Recall Campaign for DD13 CARB 24 ACM Software Reprogramming
- Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change...
- CX Advocate for benefits of Autoelevate and hydrocarbon faults
- CX Advocate for AutoElevate Disablement Gen5 Engines
- CX Advocate for Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold...
- CX Advocate for clean idle label placement
- CX Advocate for Lytx camera mounting & wiring routing issues (SS 3152-FTL, SS 766-WST)
- CX Advocate for Missing Regen ‘switch’ menu on ICUC Screen
- CX Advocate for Wabco Onguard (TSB54-364-FTL, TSB54-094-WST)
- Draft Fuel Injection Cleaning Machine (FICM) Setup Instructions
- Fuel Injection Cleaning Machine Priming Procedures
- Cleaning Gen5 Engine Fuel Injectors
- Fuel Injector Cleaner Updated Procedure
- Technical Service Bulletin for Wabco OnGuard Display Discrepancy
- Technical Service Bulletin for New Battery Cable Access Parts for Improved Cold Weather Functionality
- Service Solution for Cascadia Lytx SF500 intermittent video feed issues
- Freightliner Action Bulletin for Espar HS3 Heater for Dual Parked HVAC
- Freightliner Action Bulletin for Extreme Insulation For Cascadia
- Freightliner Action Bulletin for Premium Insulation for Cascadia Day Cab
- My Communications for New Espar HS3 Heater and Extreme Insulation
- Service Solution for ECP Solenoid Interim Service Replacement Parts
- CX Advocate for NOx conversion low faults
- CX Advocate for Hadley Smart Valve (HSV) SF700
- My Communications for DTNA Tire Communication Update
- Revised Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles
- Revised Technical service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles
- Field Service Campaign for Hadley (Link) Smart Valve
- CX Advocate communication for NOx conversion low faults
- CX Advocate communication for clutch bolts
- Customer Advisory Letter for ICUC Internal Speaker Software Update
- My Communications for ICUC Programming Update
- My Communications for Diagnosticlink ICUC Programming Error
- My Communications for Update on Cascadia Side View Mirror Production
- Technical Service Bulletin for New Final Drive Over Heat Diagnostic
- Customer letter regarding variable speed water pump.
- Repair instructions for replacing an AirTank.
- My Communications for Cascadia Mekra Mirrors Availability Update
- Customer Advisory Letter for New Cascadia Vehicles Produced at Cleveland, Equipped with Cummins...
- Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
- My Communications for Clarification to Cascadia Supplier Update
- My Communications for Cascadia Supplier Update
- Service Solution for J1939 CAN issues for vehicles equipped with Bendix Side Radar with expanded field of view
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