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Service bulletin SB 3141

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 id10180806
Published by NHTSA2020-10-07
Manufacturer's numberSB 3141
Manufacturer's date2020-09-17
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This Service Bulletin informs affected owners of the steps to install the J1939 Smartwave display to D series coaches with Parker mux to allow parameter changes without the Smartwave software.

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
MCI D40002018 to 2019
MCI D40052018 to 2019
MCI D45002017 to 2019
MCI D45052018 to 2019

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