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Service bulletin SIL-17-EP-23

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 id10247869
Published by NHTSA2024-01-02
Manufacturer's numberSIL-17-EP-23
Manufacturer's date2023-11-20
NHTSA componentEQUIPMENT; UNKNOWN OR OTHER

NHTSA's summary

Service tip for replacing ESS1 BCIM with ESS2 BCIM service parts.

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

Equipment and accessories

Vehicles listed
ALLISON TRANSMISSION
ALLISON DIV ALLISON DIV

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