# Service bulletin 18\-077\-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.

- Type: Service bulletin
- NHTSA id: 10151781
- Published by NHTSA: 2018\-12\-17
- Manufacturer's number: 18\-077\-15
- Manufacturer's date: 2015\-10\-30
- NHTSA component: POWER TRAIN; ENGINE

## NHTSA's summary

Flash: Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) set in the PCM memory: ? U0140 \- Lost Communication With Body Control Module. Customers may also describe one or more of the following conditions: ? Less than desired shift points during Wide Open Throttle \(WOT\) operation. ? Perceived misfire under normal acceleration. Software update is also available for customers with vehicles equipped with Manual Transmissions \(DEH\) to disable the starter protection feature for Rock Crawling.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10151781-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10151781-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Transmission and driveline

## Trouble codes named

U0140

## Vehicles listed

- 2014 JEEP WRANGLER

## Other bulletins for the same vehicles and component

- [101232](/bulletins/11010205.md), 2024-11-07, Service bulletin: POWER TRAIN. Plate \- Planetary
- [S1408000384 REV.F](/bulletins/11002828.md), 2024-07-02, Service bulletin: ELECTRICAL SYSTEM; ENGINE. "Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On "
- [9003357A](/bulletins/10247906.md), 2024-01-02, Service bulletin: ENGINE AND ENGINE COOLING. ADAPTER, Engine Oil Filter \(Pentastar V6\) For all 2014MY replace the Oil Filter Adapter \(OFA\). For any other MY review and follow instructions from the latest STAR Online S1809000007 available on Dealer Connect. Also, consider the following: 1\) Remove OFA 2\) Replace only the oil inlet O\-ring and gaskets \(seals kit in SOL above\). 3\) Re\-install the OFA. For 2023MY and beyond use black O\-ring. For 2022MY and prior use red O\-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
- [0700723](/bulletins/10239957.md), 2023-07-31, Service bulletin: ENGINE AND ENGINE COOLING. Water Quality When Mixed With Engine Coolant
- [1804823](/bulletins/10236933.md), 2023-05-30, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test \(SLVT\) \- P0456\-EVAP SYSTEM SMALL LEAK
- [9003357a](/bulletins/10234379.md), 2023-04-17, Service bulletin: ENGINE AND ENGINE COOLING. ADAPTER, Engine Oil Filter \(Pentastar V6\) For all 2014MY replace the Oil Filter Adapter \(OFA\). For any other MY review and follow instructions from the latest STAR Online S1809000007 available on Dealer Connect. Also, consider the following: 1\) Remove OFA 2\) Replace only the oil inlet O\-ring and gaskets \(seals kit in SOL above\). 3\) Re\-install the OFA. For 2023MY and beyond use black O\-ring. For 2022MY and prior use red O\-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
- [9003357](/bulletins/10234378.md), 2023-04-17, Service bulletin: ENGINE AND ENGINE COOLING. ADAPTER, Engine Oil Filter \(Pentastar V6\) For all 2014MY replace the Oil Filter Adapter \(OFA\). For any other MY \(with mileage above 30,000\) review and follow instructions from STAR Online S1809000007 REV. C available on Dealer Connect. Also, consider the following: 1\) Remove OFA 2\) Replace only the oil inlet O\-ring and gaskets \(seals kit in SOL above\). 3\) Re\-install the OFA. For 2023MY and beyond use black O\-ring. For 2022MY and prior use red O\-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
- [S2109000004](/bulletins/10230180.md), 2023-01-17, Service bulletin: ENGINE AND ENGINE COOLING. Issue involves overheating, running hot, coolant leaks and related symptoms after a Mopar replacement engine has been installed in the vehicle.
- [S1809000007](/bulletins/10230029.md), 2023-01-17, Service bulletin: ENGINE. Customer Complaint May Include Engine Oil Leak Or Consumption
- [1805414](/bulletins/10229952.md), 2023-01-17, Service bulletin: ENGINE AND ENGINE COOLING. Intermittent Extended Crank, Long Crank Time.

JSON: [/v1/bulletins/10151781](/v1/bulletins/10151781)

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