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Service bulletins for the 2026 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.

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

By type

By component

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
CXA 09_26_Chelsea PTO2026-10-05. Other. POWER TRAIN. CX Advocate for Chelsea PTO Quality Notice (TSB 26-059 FTL, TSB-26-010 WST).
MAN 00000728682026-10-05. Other. POWER TRAIN. Detroit Transmissions Manual Update for Symptom Diagnostics — DT12 C/D Box Range Shift to Neutral with Reversing Events (Aborts)
FleetCom 1_TransOil Cool2026-09-02. Other. POWER TRAIN. Fleet Communications for eAxle Breather Hose Relocation to Reduce Water Intrusion Risk
CXA 08_26_TransOil Cooler2026-09-02. Other. POWER TRAIN. CX Advocate for Transmission Oil Cooler Lines Rubbing
TSB-26-059-FTL2026-07-06. Service bulletin. POWER TRAIN. Technical Service Bulletin for Chelsea PTO Quality Issue
CXA 06_26_H Plate2026-07-06. Other. POWER TRAIN. CX Advocate for Eliminating Retaining H-Plate; Revised to Native Voss Quick­Connect
CXA 05_26_TransOil Cooler2026-06-01. Other. POWER TRAIN. CX Advocate for Transmission Oil Cooler Lines Rubbing APU Coolant Lines
TSB-26-001-DDC2026-05-02. Service bulletin. POWER TRAIN. Revised Technical Service Bulletin for DT12 Range Detent Diagnostic
SF725-OWN LTR2026-05-02. Service campaign. POWER TRAIN. Field Service campaign for Differential Lock Buzzer
SF725-DLR LTR2026-05-02. Service campaign. POWER TRAIN. Field Service campaign for Differential Lock Buzzer
SF725-Bulletin2026-05-02. Service campaign. POWER TRAIN. Field Service campaign for Differential Lock Buzzer
TSB-26-001-DDC2026-04-02. Other. POWER TRAIN. Technical Service Bulletin for DT12 Range Detent Diagnostic
TSB-26-058-FTL2026-03-27. Service bulletin. POWER TRAIN. Technical Service Bulletin for Transmission shift stalk
TSB-26-055-FTL2026-02-03. Service bulletin. POWER TRAIN. Revised Technical Service Bulletin for DT12 Excessive Wear
CXA_01_26_Trans Support2026-02-03. Other. POWER TRAIN. CX Advocate for Aftermarket Transmission Support
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
FleetCom_Passive Lube2026-01-08. Other. POWER TRAIN. Fleet Communications for Detroit Axle NFD ALM to Passive Lube Management
FleetCom_NFD Axle2026-01-08. Other. POWER TRAIN. Fleet Communications for Detroit NFD Axle - Factory Fluid Change
FleetCom_TCM Clutch2026-01-07. Other. POWER TRAIN. Fleet Communications for TCM Fault 520970/7 – Clutch Unable to Open Fully
FleetCom_Clutch2025-12-06. Other. POWER TRAIN. Fleet Communications for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently
CXA 11_25_Bearing Vib2025-12-02. Other. POWER TRAIN. CX Advocate for Driveline and mid-ship bearing vibration
CXA 11_25_AMTcc DTC2025-12-02. Other. POWER TRAIN. CX Advocate for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently
CXA_10_25_Tech Questions2025-11-05. Other. ELECTRICAL SYSTEM; POWER TRAIN. CX Advocate for technical questions/issues raised
CXA_9_25_Tech Questions2025-10-03. Other. POWER TRAIN; ENGINE. CX Advocate for technical questions/issues raised

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