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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

Bulletins, newest first
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
TSB42-080-FTL2024-11-07. Service bulletin. POWER TRAIN. Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles
SS1023366-Detroit2024-11-06. Other. ENGINE. Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
ICI24-0392024-11-06. Other. ENGINE. Important Campaign Infomration letter for DDC D23M1 - Campaign Extended
CXA 9_24_NFD fill plug2024-10-04. Other. POWER TRAIN. CX Advocate for NFD fill plugs
CXA 9_24_HDEP HPFL Seal2024-10-04. Other. ENGINE. CX Advocate for HDEP High Pressure Fuel Line Seal Failures
TSB42-080-FTL2024-10-04. Service bulletin. POWER TRAIN. Revised Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles. Description of Revisions: This bulletin replaces the version dated 07/17/2024. Added metadata for fault code.
SS1023366-Detroit2024-10-04. Other. ENGINE. Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
CXA 8_24_Regen Switch2024-09-07. Other. ENGINE. CX Advocate for Missing Regen ‘switch’ menu on ICUC Screen
CXA 8_24_Conmet Oil Pan2024-09-07. Other. ENGINE. CX Advocate for ConMet Oil Pan Insert Additional Failures
CXA 8_24_Clean Idle Label2024-09-07. Other. ENGINE. CX Advocate for clean idle label placement
CXA 8_24_BCA CLDS TSB2024-09-07. Other. ELECTRICAL SYSTEM. CX Advocate for Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality (TSB54-369-FTL, TSB54-095-WST)
CXA 8_24_AutoElevate Disa2024-09-07. Other. ENGINE. CX Advocate for AutoElevate Disablement Gen5 Engines
CXA 8_24_AutoElevate and2024-09-07. Other. ENGINE. CX Advocate for benefits of Autoelevate and hydrocarbon faults
TSB42-080-FTL2024-09-07. Service bulletin. POWER TRAIN. Revised Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles. Description of Revisions: This bulletin replaces the version dated 07/17/2024. Added metadata for fault code.
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.
ICI24-0312024-09-07. Other. ENGINE. Important Campaign Information letter for DDC D23M3 - Campaign Reactivated and Extended. Field Service Campaign D23M3 - GHG17 DETROITTM DD16® Vibration Damper Replacement has been extended for an additional 6 months.
CXA 7_24_NOx2024-08-02. Other. ENGINE. CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission.
CXA 7_24_Differential Cov2024-08-02. Other. POWER TRAIN. CX Advocate for differential maintenance
CXA 7_24_CTP2 Shrtg_SF6852024-08-02. Other. ELECTRICAL SYSTEM. CX Advocate for CTP2 Shortage Recovery – Cummins Only (SF685)
CXA 7_24_Conmet Oil Pan2024-08-02. Other. ENGINE. CX Advocate for ConMet Oil Pan Insert Additional Failures
CXA 7_24_AutoElevate Disa2024-08-02. Other. ENGINE. CX Advocate for AutoElevate Disablement Gen5 Engines
TSB54-369-FTL2024-08-02. Service bulletin. ELECTRICAL SYSTEM. Technical Service Bulletin for New Battery Cable Access Parts for Improved Cold Weather Functionality
MYCOM_07192024-22024-08-02. Other. VISIBILITY/WIPER. My Communications for New Espar HS3 Heater and Extreme Insulation
TSB42-080-FTL2024-08-02. Service bulletin. POWER TRAIN. Revised Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles. Description of Revisions: This bulletin replaces the version dated 06/27/2024. Table references has been updated.

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