WenmarOpen by Wenmar Pro

Service bulletins for the 2021 Freightliner Cascadia

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

509 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with type: Other are shown. Show all

Bulletins, newest first
TEM-11-000012026-08-03. Other. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; FORWARD COLLISION AVOIDANCE: WARNINGS. Truck Equipment Manufacturer upfit guide for Detroit Assurance Forward Radar Relocation and Adjustment
CXA 06_26_Utility Lamp2026-07-06. Other. EXTERIOR LIGHTING. CX Advocate for Utility Lamp water intrusion
CXA 04_26_Side Guard2026-05-02. Other. LANE DEPARTURE: BLIND SPOT DETECTION. CX Advocate for P4 Side Guard Assist On/Off Menus and Trailer Functionality (TSB-54-381-FTL)
ICI26-0062026-05-02. Other. POWER TRAIN. Important Campaign Information for SF706 - Revised, Reactivated
FleetCom 1_Solenoid2026-05-02. Other. ELECTRICAL SYSTEM. Fleet Communications for solenoid issues
CXA 03_26_ABS LA Fault2026-04-02. Other. SERVICE BRAKES. CX Advocate for 1810/02 ABS longitudinal acceleration fault (TSB-54-104-WST,TSB-54-379-FTL)
ICI26-0032026-04-02. Other. POWER TRAIN. Important Campaign Information letter for SF706 - campaign suspended
FleetCom_Frnt Susp Bush2026-03-05. Other. SUSPENSION. Fleet Communications for composite front suspension bushing
FleetCom_SF7062026-03-04. Other. POWER TRAIN. Fleet Communications for SF706 - Cascadia axle conversion
FleetCom_ESC Warning Lamp2026-03-04. Other. SERVICE BRAKES. Fleet Communications for TSB-54-379-FTL & TSB-54-104-WST ESC warning lamp and ECU replacement
MyCom_02062026-12026-03-04. Other. FUEL/PROPULSION SYSTEM. My Communications for update on UFU R61709 Fuel Filters
CXA_01_26_Trans Support2026-02-03. Other. POWER TRAIN. CX Advocate for Aftermarket Transmission Support
FleetCom_Pwr Steer Res2026-01-08. Other. STEERING. Fleet Communications for Power Steering Resevoir - NTF Replacements
FleetCom_Passive Lube2026-01-08. Other. POWER TRAIN. Fleet Communications for Detroit Axle NFD ALM to Passive Lube Management
FleetCom_Oil Plug Loc2026-01-08. Other. POWER TRAIN. Fleet Communications for NFD Lower Oil Plug Location - SP Axles
FleetCom_NFD Axle2026-01-08. Other. POWER TRAIN. Fleet Communications for Detroit NFD Axle - Factory Fluid Change
FleetCom_Mudflap Hanger2026-01-08. Other. UNKNOWN OR OTHER. Fleet Communications for Mudflap Hanger Bracket Fixturing
FleetCom_Heater Core2026-01-08. Other. ENGINE. Fleet Communications for Heater Core Plugging
FleetCom_Frnt Susp Spring2026-01-08. Other. SUSPENSION. Fleet Communications for Cascadia Front Suspension Spring Pin Bushings
FleetCom_ABS Wheel Spd2026-01-08. Other. SERVICE BRAKES. Fleet Communications for ABS Wheel Speed Sensor Faults
FleetCom_SS 3174-FTL2025-12-06. Other. ELECTRICAL SYSTEM. Fleet Communication for SS 3174-FTL
FleetCom_AMP Draw2025-12-06. Other. ELECTRICAL SYSTEM. Fleet Communications for Key off amp draw
FleetCom_SS 3163-FTL2025-12-06. Other. ENGINE. Fleet Communications for Power Steering Reservoir Fill Cap Venting
FleetCom_Low Coolant2025-12-05. Other. ENGINE. Fleet Communications for Low Coolant Sensor
FleetCom_Bosch Steer Gear2025-12-05. Other. STEERING. Fleet communications for Bosch Steering Gear Replacements

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.