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Service bulletin 18-018-15

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 id10144806
Published by NHTSA2018-09-24
Manufacturer's number18-018-15
Manufacturer's date2015-03-04
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Flash: 3.0L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The following system enhancements will improve the detection capability for "Insufficient Diesel Exhaust Fluid (DEF) Quality".

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, Engine, Exhaust and emissions, Transmission and driveline, Automatic transmission, Software, Transmission control module

Vehicles listed
RAM PROMASTER2014

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