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Service bulletin Techtalk6609

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)
TypeService bulletin
NHTSA id10184875
Published by NHTSA2021-01-03
Manufacturer's numberTechtalk6609
Manufacturer's date2020-12-31
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Tech Talk continuing discussion on Optimized Idle batteries dying.

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

Vehicles listed
FREIGHTLINER CASCADIA2020

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

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CXA 2_25_Turbo Oil Drain2025-03-04. Other. CX Advocate for turbo oil drain cracking
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MYCOM_02102025-12025-03-04. Other. My Communications for Variable Speed Coolant Pump for DD13 Engines - Cascadia/57X Only
TSB01-001-DDC2025-03-04. Service bulletin. Technical Service Bulletin for GHG17 and Newer DD Platform Heavy Duty Oil Pan Drain Plug Inserts