# Service bulletin 18\-005\-15 REV\-D

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: 10148954
- Published by NHTSA: 2018\-11\-26
- Manufacturer's number: 18\-005\-15 REV\-D
- Manufacturer's date: 2015\-08\-05
- NHTSA component: POWER TRAIN

## NHTSA's summary

Flash: 2.4L Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\). 2015 KL Only ? U0402 \- Implausible Data Received From TCM \(ED6\). ? P0116 \- Engine Coolant Temperature Sensor 1 Performance. ? P050D \- Cold Start Rough Idle. ? P2172 \- High Airflow/Vacuum Leak Detected. ? P219A \- Air\-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. 2014 KL Only ? P2172 \- High Airflow/Vacuum Leak Detected. ? P219A \- Air\-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. ? P106A \- Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. ? P2251 \- O2 Sensor 1/1 Negative Current Control Circuit Open. ? P0031 \- O2 Sensor 1/1 Heater Circuit Low. In addition, some customers may experience one or more of the following conditions. These conditions apply to 2015 model year vehicles only ? Cold Engine Startup Flare and Idle Surge \(ED6\). ? Intermittent elevated engine RPM at start up. ? Less than desired gear engagement in lower ambient temperatures. ? Less than desired idle performance.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10148954-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10148954-0001.pdf)

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

## Components

Transmission and driveline

## Trouble codes named

P0031, P0116, P050D, P106A, P2172, P219A, P2251, U0402

## Vehicles listed

- 2014 to 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
- [2019298](/recalls/tc/2019298.md), 2019-06-14: Powertrain
- [19V447000](/recalls/nhtsa/19V447000.md), 2019-06-13: POWER TRAIN:AUTOMATIC TRANSMISSION
- [2016361](/recalls/tc/2016361.md), 2016-07-13: Powertrain
- [16V529000](/recalls/nhtsa/16V529000.md), 2016-07-12: POWER TRAIN:AUTOMATIC TRANSMISSION

## 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.
- [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.
- [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.
- [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 \(KL\)
- [91486](/bulletins/10241041.md), 2023-08-21, Service bulletin: POWER TRAIN; UNKNOWN OR OTHER. Warranty Bulletin D\-23\-10 \(XJ1\) Power Transfer Unit \(PTU\) \- Select 2014 \- 2017 Jeep Cherokee \(KL\)
- [2103514\-1](/bulletins/10232019.md), 2023-02-21, Service bulletin: POWER TRAIN. 948TE 9 Speed Transmission Quick Learn Procedure
- [1806014\-1](/bulletins/10232018.md), 2023-02-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Diagnostic And System Improvements
- [2103514](/bulletins/10232016.md), 2023-02-21, Service bulletin: POWER TRAIN. 948TE 9 Speed Transmission Quick Learn Procedure
- [2103414\-3](/bulletins/10232015.md), 2023-02-21, Service bulletin: POWER TRAIN. 948TE 9 Speed Shift Enhancements And Quick Learn Enable

JSON: [/v1/bulletins/10148954](/v1/bulletins/10148954)

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