FleetCom 1_TransOil Cool
Other
Fleet Communications for eAxle Breather Hose Relocation to Reduce Water Intrusion Risk
Vehicle report
2026 FREIGHTLINER CASCADIA FIFTH GEN
Service bulletins
53 bulletinsTechnical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
CXA 08_26_TransOil Cooler
Other
CX Advocate for Transmission Oil Cooler Lines Rubbing
CAL FTL 54-043_REV2
Other
Revised Customer Advisory Letter for 5th Generation Cascadia Headlamp Turn Signal Not Functioning
FleetCom 1_Trn Signal,DRL
Other
Fleet Communications for Cascadia Fifth Gen turn signal DRL
TEM-11-00001
Other
Truck Equipment Manufacturer upfit guide for Detroit Assurance Forward Radar Relocation and Adjustment
CAL FTL 54-043_REV1
Other
Revised Customer Advisory Letter for 5th Generation Cascadia Headlamp Turn Signal Not Functioning
MyCom_07102026-1
Other
My Communications for Premium Remote Parameter Updates Now Active
CAL FTL 54-043
Other
Customer Advisory Letter for 5th Generation Cascadia Headlamp Turn Signal Not Functioning
FleetCom 1_TSB-54-342-FTL
Other
Fleet Communications for rain light sensor removal
FleetCom 1_TransmitterBST
Other
Fleet Communications for brake signal transmitter
TSB-26-059-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for Chelsea PTO Quality Issue
CXA 06_26_H Plate
Other
CX Advocate for Eliminating Retaining H-Plate; Revised to Native Voss QuickConnect
CXA_Air Systems
Other
CX Advocate webinar for Cascadia Fifth Gen Air Systems
CXA_ADAS Systems
Other
CX Advocate webinar for Cascadia Fifth Gen Troubleshooting ADAS Systems
CXA_Brake Systems
Other
CX Advocate webinar for Cascadia Fifth Gen Troubleshooting Braking Systems
CXA_Intelligent Air Sys
Other
CX Advocate webinar for Cascadia Fifth Gen Intelligent Air Systems
CXA_MirrorCam
Other
CX Advocate webinar for Cascadia Fifth Gen MirrorCam System Operation
CXA_TPMS
Other
CX Advocate webinar for Cascadia Fifth Gen tire Pressure Monitoring System
CXA_TransmitterBST
Other
CX Advocate webinar for Cascadia Fifth Gen Brake Signal Transmitter
TSB-54-382-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for VRDU3 Dropout During DiagnosticLink‑Connected Test Drive
CXA 05_26_TransOil Cooler
Other
CX Advocate for Transmission Oil Cooler Lines Rubbing APU Coolant Lines
FleetCom 1 Trn Signal.DRL
Other
Fleet Communications for Fifth Gen Cascadia Turn Signal/DRL
WI26-008
Other
Warranty Information letter for Reman Parts Usage Policy Reminder
CAL FTL 54-040
Other
Customer Advisory Letter for 883-020 Electronic Trailer Brake Hand Control with Detent in Final Delivery Position
MyCom_03022026-1
Other
My Communications for Remote Lock/Unlock – IP Wake-up Improvements for Fifth Generation Freightliner Cascadia
FleetCom_Cascadia 5th Gen
Other
Fleet Communications for enhanced Backbone of the Cascadia Fifth Gen
CAL FTL 32-012_REVISION
Other
Revised Customer Advisory Letter for HSV Link Smart Valve Firmware Update
FleetCom_TSB-54-378-FTL
Other
Fleet Communications for Maintenance Mode Horn Activation Correction
TSB-00-045-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for 5th Generation Cascadia Feature Brief
CXA_01_26_Fifth Gen Cas
Other
CX Advocate for Fifth Generation Cascadia
FAB334
Other
Features and Benefits for Intelligent Braking Control Systems
CAL FTL-20-008
Other
Customer Advisory Letter for Variable Speed Water Pump Remains Fully Engaged
CAL FTL-32-012
Other
Customer Advisory Letter for HSV Link Smart Valve Firmare Update
FleetCom_ECU Faults
Other
Fleet Communications for Intermittent Connections and ECU Fault Codes
WI26-002
Other
Warranty Information Letter for Sundown of Quality Check for Fifth Generation Cascadia Vehicles
FleetCom_CTP3 Global
Other
Fleet Communications for CTP3 Global Streaming (DaaS) & CPC5 Password Protection
TSB54-378-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for Maintenance Mode Horn Activation Correction
FAB333
Other
Features and Benefits for Intelligent Air System for Cascadia Fifth Gen
CXA 11_25_ECU Faults
Other
CX Advocate for Intermittent Connections and ECU Fault Codes
FleetCom_Bosch Steer Gear
Other
Fleet communications for Bosch Steering Gear Replacements
WI25-016
Other
Warranty Information letter for Implementation of Quality Check for Fifth Generation Cascadia Vehicles
CXA_10_25_Tech Questions
Other
CX Advocate for technical questions/issues raised
CXA_9_25_Tech Questions
Other
CX Advocate for technical questions/issues raised
CXA_8_25_Tech Questions
Other
CX Advocate for technical questions/issues raised
CALFTL54-038
Other
Customer Advisory Letter for Wiring Support Bracket Reroute
MYCOM_07312025-1
Other
My Communications for Cascadia Aero Component Amendments
MYCOM_07302025-1
Other
My Communications for ACCURIDE INTRODUCES THE 50300 22.5" X 9" STEEL WHEEL
TSB35-034-FTL
Service Bulletin/Repair Instructions
Revised Technical Service Bulletin for Hub Oil Level in Final Drive (NFD) Top Performance Axles on Decked Vehicles
TSB35-34-FTL
Service Bulletin/Repair Instructions
Revised Technical Service Bulletin for Hub Oil Level in Final Drive (NFD) Top Performance Axles on Decked Vehicles
CXA 7_25_Trailer Hand
Other
CX Advocate for Fifth Generation Cascadia Trailer Hand Brake Error (SS3178-FTL)
CXA_7_25_Top Topics
Other
CX Advocate for Top Topics
SS3178-FTL
Other
Service Solution for Fifth Generation Cascadia Trailer Hand Brake Error
PB33-004-FTL
Service Bulletin/Repair Instructions
Parts Bulletin for Tie Rod Assembly Part Breakdown
Reading this report
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.