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 component: Engine are shown. Show all
| CXA_10_17_CARB Truck Chec | 2024-11-07. Other. ENGINE. CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check. |
|---|---|
| SS3157-FTL | 2024-11-07. Other. ENGINE. Service Solution for Cascadia with Cummins Engines and eViscous Engine Fan with Communication Issues |
| TSB54-366-FTL | 2024-11-07. 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 |
| SS1023366-Detroit | 2024-11-06. Other. ENGINE. Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines |
| ICI24-039 | 2024-11-06. Other. ENGINE. Important Campaign Infomration letter for DDC D23M1 - Campaign Extended |
| CXA 9_24_HDEP HPFL Seal | 2024-10-04. Other. ENGINE. CX Advocate for HDEP High Pressure Fuel Line Seal Failures |
| SS1023366-Detroit | 2024-10-04. Other. ENGINE. Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines |
| CXA 8_24_Regen Switch | 2024-09-07. Other. ENGINE. CX Advocate for Missing Regen ‘switch’ menu on ICUC Screen |
| CXA 8_24_Conmet Oil Pan | 2024-09-07. Other. ENGINE. CX Advocate for ConMet Oil Pan Insert Additional Failures |
| CXA 8_24_Clean Idle Label | 2024-09-07. Other. ENGINE. CX Advocate for clean idle label placement |
| CXA 8_24_AutoElevate Disa | 2024-09-07. Other. ENGINE. CX Advocate for AutoElevate Disablement Gen5 Engines |
| CXA 8_24_AutoElevate and | 2024-09-07. Other. ENGINE. CX Advocate for benefits of Autoelevate and hydrocarbon faults |
| ICI24-031 | 2024-09-07. 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_NOx | 2024-08-02. Other. ENGINE. CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission. |
| CXA 7_24_Conmet Oil Pan | 2024-08-02. Other. ENGINE. CX Advocate for ConMet Oil Pan Insert Additional Failures |
| CXA 7_24_AutoElevate Disa | 2024-08-02. Other. ENGINE. CX Advocate for AutoElevate Disablement Gen5 Engines |
| CALFTL13-002 | 2024-08-02. Service bulletin. ENGINE. Customer Advisory Letter for Proactive Air Compressor, Resonator, and Suction Line Replacement |
| CXA 06_24_NOx | 2024-07-09. Other. ENGINE. CX Advocate communication for NOx conversion low faults |
| VSWP Customer Letter | 2024-06-22. Other. ENGINE. Customer letter regarding variable speed water pump. |
| TSB30-013-FTL | 2024-06-05. Service bulletin. ENGINE. Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update |
| D24M3-OWN LTR | 2024-06-05. Service campaign. ENGINE. Field Service Campaign for Drilled Exhaust Rocker Arm Installation |
| D24M3-DLR LTR | 2024-06-05. Service campaign. ENGINE. Field Service Campaign for Drilled Exhaust Rocker Arm Installation |
| D24M3-Bulletin | 2024-06-05. Service campaign. ENGINE. Field Service Campaign for Drilled Exhaust Rocker Arm Installation |
| SS3144-FTL | 2024-05-07. Service bulletin. ENGINE AND ENGINE COOLING. Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller |
| CALFTL20-006 | 2024-05-07. Service bulletin. ENGINE AND ENGINE COOLING. Customer Advisory Letter for Proactive Oil Thermostat Replacement |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.