# Service bulletin 18\-055\-14

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: 10139783
- Published by NHTSA: 2018\-06\-11
- Manufacturer's number: 18\-055\-14
- Manufacturer's date: 2014\-10\-11
- NHTSA component: POWER TRAIN; ENGINE AND ENGINE COOLING

## NHTSA's summary

Flash: Malfunction Indicator Lamp \(MIL\) Illumination, P06EF\-Engine Restart Performance This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with new software. The customer may experience that the vehicle may not auto\-start after the first auto\-stop. This condition may occur if someone tried to start the vehicle with the engine already running. The vehicle will restart if the ignition is cycled off and than back on. A MIL lamp may turn on and a message ?Service start/stop? may be displayed. On further inspection DTC P06EF\-Engine Restart Performance, may be found.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10139783-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10139783-0001.pdf)

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

## Components

Engine, Transmission and driveline

## Trouble codes named

P06EF

## Vehicles listed

- 2015 JEEP CHEROKEE

## Recalls for the same vehicles and component

- [2020261](/recalls/tc/2020261.md), 2020-06-12: Powertrain
- [20V343000](/recalls/nhtsa/20V343000.md), 2020-06-11: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AUTOMATIC TRANSMISSION
- [2018269](/recalls/tc/2018269.md), 2018-05-17: Engine
- [2016361](/recalls/tc/2016361.md), 2016-07-13: Powertrain
- [16V529000](/recalls/nhtsa/16V529000.md), 2016-07-12: POWER TRAIN:AUTOMATIC TRANSMISSION
- [15V676000](/recalls/nhtsa/15V676000.md), 2015-10-19: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
- [2015475](/recalls/tc/2015475.md), 2015-10-16: Engine

## Other bulletins for the same vehicles and component

- [S1721000016 REV.B](/bulletins/11026812.md), 2025-12-23, Service bulletin: POWER TRAIN. Service 4wd Light On, AWD System Service Required Message Illuminated. Diagnostic Trouble Code \(DTC\) C14A7\-97 PTU Motor Component Or System Operation Obstructed Or Blocked.
- [09\-018\-24](/bulletins/11006983.md), 2024-09-04, Service bulletin: ENGINE. "2.4L Excessive Oil Consumption XB1 Warranty Extension The customer may describe one or more of the following: ● Oil pressure low indicator lamp illumination between oil changes. ● Excessive oil consumption. This bulletin involves performing an oil consumption verification test and possibly replacing the long block."
- [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 "
- [S2325000007](/bulletins/10248564.md), 2024-01-08, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). MIL/check engine lamp comes on after performing U90 recall PCM software update.
- [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.
- [S1721000016](/bulletins/10247452.md), 2023-12-18, Service bulletin: ENGINE AND ENGINE COOLING; AIR BAGS. Service 4wd Light On, AWD System Service Required Message Illuminated. Diagnostic Trouble Code \(DTC\) C14A7\-97 PTU Motor Component Or System Operation Obstructed Or Blocked, Set.
- [S2325000007](/bulletins/10244403.md), 2023-10-30, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). MIL/check engine lamp comes on after performing U90 recall PCM software update.
- [RecallU90](/bulletins/10243215.md), 2023-10-02, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Emissions Recall U90 \- Catalyst Efficiency
- [2101423](/bulletins/10241067.md), 2023-08-21, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN. Power Transfer Unit \(PTU\) Broken Input Spline XJ1 Warranty Extension Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ? P1720\-00 \- Output Speed Sensor Wheel Speed Rationality. ? P215C\-00 \- Output Shaft Speed Wheel Speed Correlation. This bulletin involves replacing the PTU assembly with an updated part.
- [91490](/bulletins/10241042.md), 2023-08-21, Service bulletin: POWER TRAIN; UNKNOWN OR OTHER. FCA Caribbean Warranty Bulletin ID\-23\-11 \(XJ1\) Power Transfer Unit \(PTU\) \- Select 2014 \- 2017 Jeep Cherokee \(KL\)

JSON: [/v1/bulletins/10139783](/v1/bulletins/10139783)

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