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Service bulletin TSB180138-031420

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 id10158788
Published by NHTSA2019-04-22
Manufacturer's numberTSB180138-031420
Manufacturer's date2019-03-14
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of fault code 1864 and/or 5656 logging with an engine control module (ECM) calibration code revision prior to ECM calibration code revision level listed in Table 1. This is an update to a previously submitted communication.

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
CUMMINS L9N

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