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Service bulletin C1880

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 id10110300
Published by NHTSA2017-08-04
Manufacturer's numberC1880
Manufacturer's date2017-03-07
NHTSA componentENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

This Campaign is being issued to address certain 2017 B6.7, L9 and X15 engines in fire truck applications. This field action authorizes certified repair locations to pro-actively recalibrate the electronic control module (ECM).

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, Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
CUMMINS B6.7
CUMMINS L9
CUMMINS X15

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