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Other CXA_9_25_Tech Questions

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeOther
NHTSA id11023683
Published by NHTSA2025-10-03
Manufacturer's numberCXA_9_25_Tech Questions
Manufacturer's date2025-09-18
NHTSA componentPOWER TRAIN; ENGINE

NHTSA's summary

CX Advocate for technical questions/issues raised

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Transmission and driveline

Vehicles listed
DETROIT DIESEL DD13
DETROIT DIESEL DD15
DETROIT DIESEL DD16
FREIGHTLINER BUSINESS CLASS M22023 to 2026
FREIGHTLINER CASCADIA2021, 2022, 2023, 2024, 2025, 2026
FREIGHTLINER CASCADIA FIFTH GEN2026 (the catalog's model; the bulletin names a series or trim of it)
WESTERN STAR 47X2021 to 2025
WESTERN STAR 49X2021 to 2025
WESTERN STAR 57002021, 2022
WESTERN STAR 57X2023 to 2026

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20224132022-07-29. Engine
22V5540002022-07-29. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
21V7150002021-09-15. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
20211742021-03-24. Powertrain
21V2090002021-03-24. POWER TRAIN:CLUTCH ASSEMBLY
21V0730002021-02-12. ENGINE
20V7420002020-11-30. POWER TRAIN:CLUTCH ASSEMBLY

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
CXA 09_26_Chelsea PTO2026-10-05. Other. CX Advocate for Chelsea PTO Quality Notice (TSB 26-059 FTL, TSB-26-010 WST).
MAN 00000728682026-10-05. Other. 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. Fleet Communications for eAxle Breather Hose Relocation to Reduce Water Intrusion Risk
CXA 08_26_TransOil Cooler2026-09-02. Other. CX Advocate for Transmission Oil Cooler Lines Rubbing
CXA 07_25_F1011,F1015 Lbl2026-08-05. Other. CX Advocate for Lost/Damaged Replacement F1011/F1015 Labels
TSB-42-080-FTL2026-08-03. Service bulletin. Revised Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles. Updated frequently asked questions.
TSB-26-059-FTL2026-07-06. Service bulletin. Technical Service Bulletin for Chelsea PTO Quality Issue
CXA 06_26_H Plate2026-07-06. Other. CX Advocate for Eliminating Retaining H-Plate; Revised to Native Voss Quick­Connect
TSB-26-057-FTL2026-06-01. Service bulletin. Revised Technical Service Bulletin for DT12 OVX Transmission Refresh
CXA 05_26_TransOil Cooler2026-06-01. Other. CX Advocate for Transmission Oil Cooler Lines Rubbing APU Coolant Lines