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Service bulletins for the 2020 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.

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

By type

By component

Only bulletins with type: Service bulletin are shown. Show all

Bulletins, newest first
TSB-26-057-FTL2026-06-01. Service bulletin. POWER TRAIN. Revised Technical Service Bulletin for DT12 OVX Transmission Refresh
TSB-26-055-FTL2026-02-03. Service bulletin. POWER TRAIN. Revised Technical Service Bulletin for DT12 Excessive Wear
TSB-26-055-FTL2026-02-03. Service bulletin. POWER TRAIN. Technical Service Bulletin for DT12 Excessive Wear
TSB-26-052-FTL2026-02-03. Service bulletin. POWER TRAIN. Technical Service Bulletin for DT12 PTO Upfit
TSB-00-046-FTL2026-02-03. Service bulletin. UNKNOWN OR OTHER. Technical Service Bulletin for Cascadia Generations
PB47-022-FTL2025-10-03. Service bulletin. FUEL/PROPULSION SYSTEM. Revised Parts Bulletin for Cascadia 23-inch Diameter Fuel Tanks
TSB35-034-FTL2025-08-02. Service bulletin. WHEELS. Revised Technical Service Bulletin for Hub Oil Level in Final Drive (NFD) Top Performance Axles on Decked Vehicles
PB33-004-FTL2025-07-08. Service bulletin. STEERING. Parts Bulletin for Tie Rod Assembly Part Breakdown
TSB26-056-FTL2025-05-02. Service bulletin. POWER TRAIN. Service Solution for DT12 Oil Plug Ports
TSB54-276-FTL2025-04-02. Service bulletin. UNKNOWN OR OTHER. Technical Service Bulletin for Load Dump Switch Inspection and Installation on Dometic Refrigerators
TSB54-373-FTL2025-03-04. Service bulletin. STEERING. Technical Service Bulletin for SAS01T to SAS03T Replacement Information
TSB26-057-FTL2025-03-04. Service bulletin. POWER TRAIN. DT12 OVX Transmission Refresh
TSB26-055-FTL2025-03-04. Service bulletin. POWER TRAIN. Technical Service Bulletin for DT12 Excessive Wear
TSB01-001-DDC2025-03-04. Service bulletin. ENGINE. Technical Service Bulletin for GHG17 and Newer DD Platform Heavy Duty Oil Pan Drain Plug Inserts
TSB35-039-FTL2025-01-03. Service bulletin. POWER TRAIN. Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management
TSB35-032-FTL2025-01-03. Service bulletin. POWER TRAIN. Technical Service Bulletin for Detroit Drive Axle Identification and Lubrication
TSB54-366-FTL2025-01-03. Service bulletin. POWER TRAIN; LANE DEPARTURE: BLIND SPOT DETECTION; ENGINE. Technical Service Bulletin for J1939 Communication Errors with Cummins Engine Automated or Allison Transmission and Bendix Side Radar
TSB35-039-FTL2024-12-06. Service bulletin. POWER TRAIN. Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management.
TSB35-032-FTL2024-12-04. Service bulletin. POWER TRAIN. Technical Service Bulletin for Detroit Drive Axle Identification and Lubrication
TSB91-016-FTL2024-12-04. Service bulletin. SEATS. Technical Service Bulletin for Repairing Seat Occupancy Sensor for ISRI, SEARS and National Truck Seats
TSB54-366-FTL2024-11-07. Service bulletin. ENGINE; POWER TRAIN; LANE DEPARTURE: BLIND SPOT DETECTION. Technical Service Bulletin for J1939 Communication Errors with Cummins Engine Automated or Allison Transmission and Bendix Side Radar
TSB35-039-FTL2024-09-07. Service bulletin. POWER TRAIN. 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.
TSB54-369-FTL2024-08-02. Service bulletin. ELECTRICAL SYSTEM. Technical Service Bulletin for New Battery Cable Access Parts for Improved Cold Weather Functionality
TSB35-039-FTL2024-08-02. Service bulletin. POWER TRAIN. 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.
CALFTL13-0022024-08-02. Service bulletin. ENGINE. Customer Advisory Letter for Proactive Air Compressor, Resonator, and Suction Line Replacement

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