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Service bulletin SIL 27-EP-18EN

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 id10152812
Published by NHTSA2019-02-19
Manufacturer's numberSIL 27-EP-18EN
Manufacturer's date2019-01-13
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Announces the availability of the DC busbar and procedures for replacing the DC busbar located inside the DPIM2

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

Electrical system

Vehicles listed
ALLISON TRANSMISSION

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