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Service bulletin 18-041-16

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 id10140181
Published by NHTSA2018-06-11
Manufacturer's number18-041-16
Manufacturer's date2016-04-07
NHTSA componentENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

NHTSA's summary

Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one of the following Diagnostic Trouble Codes (DTCs) have been set: · **P0335 - Crankshaft Position Sensor Circuit. · P0306 - Cylinder 6 Misfire (Automatic Transmissions only). · P0456 - EVAP System Small Leak (3.6L Engine Sales Code ERB only).** · U0140 - Lost Communication With Body Control Module.

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

Trouble codes named

P0306, P0335, P0456, U0140

Vehicles listed
JEEP WRANGLER2015

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

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