Powered byNHTSA|EPA|Community Reports|Updated

2026 Freightliner Cascadia TSBs

124 Technical Service Bulletins across 15 categories

Other

31 bulletins
11038012

CX Advocate for Chelsea PTO Quality Notice (TSB 26-059 FTL, TSB-26-010 WST).

11036680

Draining Water Trapped in the Upper A-Pillar

11035715

CX Advocate for Lost/Damaged Replacement F1011/F1015 Labels

11035536

Truck Equipment Manufacturer upfit guide for Detroit Assurance Forward Radar Relocation and Adjustment

11034514

CX Advocate for Eliminating Retaining H-Plate; Revised to Native Voss QuickConnect

11031981

CX Advocate for P4 Side Guard Assist On/Off Menus and Trailer Functionality (TSB-54-381-FTL)

11031965

Fleet Communications for Torque Quality

11031957

Parts Bulletin for Discontinued Camera Cable and Replacement Options

11027502

Fleet Communications for Detroit Axle NFD ALM to Passive Lube Management

11027497

Fleet Communications for Detroit NFD Axle - Factory Fluid Change

11026454

Fleet Communications for Key off amp draw

11025877

CX Advocate for Driveline and mid-ship bearing vibration

11025872

Customer Advisory Letter for Inspecting Upper Cab Drain Tube

11025094

CX Advocate for Experiencing Excessive Purging from Air Dryer

11024978

Features and Benefits for SafetyDirect 5.1

11024970

CX Advocate for Wire/Airing Routing and Clipping

11024969

CX Advocate for TufTrac M12 Bolts (TSB-32-057-FTL)

11024967

CX Advocate for Torque Quality

11024966

CX Advocate for technical questions/issues raised

11023683

CX Advocate for technical questions/issues raised

11023682

CX Advocate for Detroit Assurance on Cummins X15

11023680

CX Advocate for SF715 Stalk Switch Left and Right Inoperative

11023660

My Communications for UFI 0-Ring Announcement

11022341

CX Advocate for technical questions/issues raised

11022338

CX Advocate for KY AEB Notice

11022332

My Communications for Parts Hold on UFU Filter

11022314

Customer letter for Detroit Assurance Kentucky Interstate 71 Road Hazard

11021290

My Communications for Cascadia Aero Component Amendments

11021178

CX Advocate for Detroit Assurance MPC/DFC/RLS Bracket Double Sided Adhesive Failures

11016331

Features and Benefits for aerodynamic enhancements

11016330

Features and Benefits for SafetyDirect by RandMcNally

Pre-Delivery & Maintenance

28 bulletins
11036662

Revised Warranty Information letter for missing chamber caging bolts

11035545

Field Service campaign for Cascadia CTP3 Antennas

11035544

Field Service campaign for Cascadia CTP3 Antennas

11035534

Field Service campaign for Cascadia CTP3 Antennas

11034535

Warranty Information letter for missing chamber caging bolts

11034534

Technical Service Bulletin for Chelsea PTO Quality Issue

11033097

Warranty Information letter for Reman Parts Usage Policy Reminder

11031992

Revised Technical Service Bulletin for DT12 Range Detent Diagnostic

11031961

Field Service campaign for Differential Lock Buzzer

11031960

Field Service campaign for Differential Lock Buzzer

11031958

Field Service campaign for Differential Lock Buzzer

11030623

Technical Service Bulletin for DT12 Range Detent Diagnostic

11030515

Fleet Communications for top 10 warranty components and action

11030508

Technical Service Bulletin forSide Guard trailer detection

11029510

Standard Warranty Extension for vehicles with TitanX Radiators

11028073

Revised Technical Service Bulletin for DT12 Excessive Wear

11028063

Technical Service Bulletin for DT12 Excessive Wear

11028062

Technical Service Bulletin for DT12 PTO Upfit

11025867

Important Campaign Information for F1011 & F1015 Campaigns Revised

11024973

Service Solution for M2 Plus, 108,114SD Plus and New Cascadia Vehicles, SSL and SSR Non-Functional

11023690

Technical Service Bulletin for TufTrac M12 Bolts

11022369

Field Service campaign for stalk switches

11022368

Field Service campaign for stalk switches

11022367

Field Service campaign for stalk switches

11022334

Important Campaign Information letter for F1015 Campaign Revised

11017555

Service Solution for DT12 Oil Plug Ports

11017549

Features and Benefits for Detroit Connect UpfrontService Extension

11017548

Features and Benefits for Detroit Connect Base Service Renewal

Electrical

14 bulletins
11031986

Service Solution for Progressive Low Voltage Disconnect Parameter Update

11031968

Fleet Communications for Top Routing and Clipping Defects - A/C Harness

11031967

Fleet Communications for starter issues

11029519

Fleet Communications for TSB-54-379-FTL & TSB-54-104-WST ESC warning lamp and ECU replacement

11028291

Fleet Communications for Wiring/Airing Routing and Clipping

11028287

Fleet Communications for Intermittent Connections and ECU Fault Codes

11028071

Revised Technical Service Bulletin for ESC Warning Lamp and ECU Replacement

11028064

Technical Service Bulletin for ESC Warning Lamp and ECU Replacement

11027199

Technical Service Bulletin Low Coolant Sensor

11025880

CX Advocate for Intermittent Connections and ECU Fault Codes

11022340

CX Advocate for DT12 - TCM CAN communication issues with CPC

11019124

Service Solution for Progressive Low Voltage Disconnect Parameter Update

11017533

CX Advocate for Progressive Low Voltage Disconnect Parameter Update

11016334

Service Solution for Progressive Low Voltage Disconnect Parameter Update

Fuel System

9 bulletins
11029526

Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals

11029521

Fleet Communications for parts bulletin on Fluorosilicone Fuel Tank Cap Seals

11029512

My Communications for update on UFU R61709 Fuel Filters

11025869

Revised Emissions Recall for VECI Label Emissions Recall

11025866

Revised Emissions Recall for VECI Label Emissions Recall

11023657

Revised Parts Bulletin for Cascadia 23-inch Diameter Fuel Tanks

11022371

Emissions Recall for VECI Label Emissions Recall

11022370

Emissions Recall for VECI Label Emissions Recall

11022318

Emissions Recall for VECI Label Emissions Recall

Body & Paint

8 bulletins
11034519

CX Advocate for Utility Lamp water intrusion

11030686

Fleet Communications for Hood Tilt CPC update and OI Comfort Mode parameters

11027492

Fleet Communications for Corrosion Protecton/Glyptal Application

11024972

Service Solution for P4 Main Mirror Arm Covers Loose - Falling Off

11020896

Warranty Extension for Frame Rail Paint Standard Warranty Policy Extension

11017532

CX Advocate for TPMS water intrusion

11016333

Features and Benefits for MirrorCam Systems

11016332

Features and Benefits for exterior trim options

Transmission

7 bulletins
11037996

Detroit Transmissions Manual Update for Symptom Diagnostics DT12 C/D Box Range Shift to Neutral with Reversing Events...

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(Aborts)

11030279

Technical Service Bulletin for Transmission shift stalk

11028069

CX Advocate for Aftermarket Transmission Support

11027222

Fleet Communications for TCM Fault 520970/7 Clutch Unable to Open Fully

11026457

Fleet Communications for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently

11026420

Fleet communications for Bosch Steering Gear Replacements

11025875

CX Advocate for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently

HVAC & Climate

6 bulletins
11029631

Fleet Communications for ESPAR hydronic heater

11027494

Fleet Communications for HVAC Eco Mode - SoP Disabled Jan 2026

11027493

Fleet Communications for Heater Core Plugging

11026462

Fleet Communications for A/C Compressor Assembly when replaced

11022325

Technical Service Bulletin for Heater Return Pipe

11021239

Service Solution for Heater Return Pipe

Steering

6 bulletins
11027503

Fleet Communications for Power Steering Resevoir - NTF Replacements

11026453

Fleet Communications for Power Steering Reservoir Fill Cap Venting

11023659

Warranty Information letter for Power Steering Tank Venting Diagnostic Procedures Revision

11020273

Parts Bulletin for Tie Rod Assembly Part Breakdown

11017537

Service Solution for ICC5 Erroneous Electric Power Steering Warning Message

11017529

CX Advocate for ICC5 erroneous electric power steering warning message (SS3176-FTL)

Engine

5 bulletins
11029506

Revised Customer Advisory Letter for HSV Link Smart Valve Firmware Update

11028055

Customer Advisory Letter for HSV Link Smart Valve Firmare Update

11022344

Field Service Campaign for Adaptive Cruise Control & Tailgate Warning - Cummins X15 Diesel Engines

11022343

Field Service Campaign for Adaptive Cruise Control & Tailgate Warning - Cummins X15 Diesel Engines

11022342

Field Service Campaign for Adaptive Cruise Control & Tailgate Warning - Cummins X15 Diesel Engines

Software & Calibration

3 bulletins
11024979

My Communications for Update to DTNA parts on UFU R61709

11023661

My communications for DTNA Announces Extended Coverage Policy Updates

11022333

My Communications for UPDATE TO DTNA PARTS QUALITY ALERT STOCK HOLD on UFU R61709

Brakes

2 bulletins
11030500

CX Advocate for 1810/02 ABS longitudinal acceleration fault (TSB-54-104-WST,TSB-54-379-FTL)

11029513

My Communications for Alliance EX Value Brake Drum

Tires & Wheels

2 bulletins
11029511

My Communications for fifth wheel leg height changes

11021488

My Communications for ACCURIDE INTRODUCES THE 50300 22.5" X 9" STEEL WHEEL

Infotainment

1 bulletin
11038013

CX Advocate for CTP3 Antenna Bluetooth Communication Issue (SF736)

Suspension

1 bulletin
11021242

Revised Technical Service Bulletin for Hub Oil Level in Final Drive (NFD) Top Performance Axles on Decked Vehicles

Lighting

1 bulletin
11017527

Customer Advisory Letter for Accent Light Issue Instructions