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 component: Engine are shown. Show all
| 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 |
| 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 |
| 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 |
| 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 |
| TSB30-013-FTL | 2024-04-02. Service bulletin. ENGINE AND ENGINE COOLING. Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update |
| SS3142-FTL | 2024-04-02. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Service Solution for J1939 CAN issues for vehicles equipped with Bendix Side Radar with expanded field of view |
| TSB30-013-FTL | 2024-03-06. Service bulletin. ENGINE AND ENGINE COOLING. Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update |
| ICI24-006 | 2024-03-06. Service bulletin. ENGINE AND ENGINE COOLING. Important Campaign Information letter for FL974 - Revised Bulletin & Population |
| FL974 | 2024-03-06. Service bulletin. ENGINE AND ENGINE COOLING. Revised Emissions Recall: Cummins DEF Sensor Shortage. REVISION: Some vehicles formerly in Group F have been moved to Group G and have been assigned a new part number as specified in Table 1. An SRT for 'Calibration Code Only: Update or Confirm' has been added, as shown in Table 2, to be used when a new DEF header is not required. There have been some other minor changes to the work instructions and SRT times. |
| FL974 | 2024-02-06. Service bulletin. ENGINE AND ENGINE COOLING. Emissions Recall: Cummins DEF Sensor Shortage |
| CALFTL54-031 | 2023-10-05. Service bulletin. ENGINE AND ENGINE COOLING. Customer Advisory Letter for Towing Related to Low Coolant Faults |
| SS3113-FTL2022 | 2022-11-02. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Service Solution for DPF Harness Rub-Chafe onTrans-Wire Braided Air Hose. |
| SB83-137 | 2022-04-01. Service bulletin. ENGINE AND ENGINE COOLING. Revised Freightliner Service Bulletin for ParkSmart Eberspaecher Auxiliary Heater Service. This bulletin replaces the version dated May 2015. The note in General Information has been revised to include New Cascadia. Espar information has been changed to reflect a company name change to Eberspaecher. |
| SB49-042 | 2022-03-03. Service bulletin. ENGINE AND ENGINE COOLING. Freightliner Service Bulletin for DEF Connector Reinforcement Caps. |
| 20TS-11 | 2021-08-28. Service bulletin. ENGINE AND ENGINE COOLING. Technical Service Letter for Detroit CPC501T GHG21 Only; Updating Bootloader Using DL version 8.14 and higher. On Detroit powertrain equipped Cascadia’s, built in 2020, it may be necessary to complete an additional step in the programming process when updating the CPC501T software. |
| SB54-334 | 2021-06-29. Service bulletin. FORWARD COLLISION AVOIDANCE; ENGINE AND ENGINE COOLING. Freightliner Service Bulletin for Detroit Assurance 4.0 Software v20.05. New Cascadia trucks built from January 1, 2017 through September 9, 2019 and equipped with Detroit Assurance correctly initiate an active brake assist (ABA) event when a vehicle or obstacle is detected in front of the truck. Some of those trucks may continue decelerating to a complete stop, even after the vehicle or obstacle detected in front of the Detroit Assurance-equipped truck has moved away. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.