# Service bulletin 18\-005\-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: 10148586
- Published by NHTSA: 2018\-11\-19
- Manufacturer's number: 18\-005\-15
- Manufacturer's date: 2015\-01\-17
- NHTSA component: ELECTRICAL SYSTEM; POWER TRAIN

## NHTSA's summary

Flash: 2.4L Powertrain 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 one of the following Diagnostic Trouble Codes \(DTCs\). Additionally this PCM update includes the enhancements listed below. 2015 KL Vehicles equipped with a 2.4L engine \(Sales Code ED6 or ED8\) built on or before October 21, 2014 \(MDH 1021XX\). ? P2172 \- High Airflow/Vacuum Leak Detected. ? P219A \- Air\-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. ? Improved software to enable Transmission Control Module \(TCM\) quick learn enhancements once TCM is updated. 2014 KL Vehicles equipped with a 2.4L engine \(Sales Code ED6\). ? 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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10148586-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10148586-0001.pdf)

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

## Components

Electrical system, Transmission and driveline

## Trouble codes named

P0031, P106A, P2172, P219A, P2251

## Vehicles listed

- 2014 to 2015 JEEP CHEROKEE

## Recalls for the same vehicles and component

- [23V338000](/recalls/nhtsa/23V338000.md), 2023-05-11: STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK
- [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
- [18V332000](/recalls/nhtsa/18V332000.md), 2018-05-17: ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING
- [2016361](/recalls/tc/2016361.md), 2016-07-13: Powertrain
- [16V529000](/recalls/nhtsa/16V529000.md), 2016-07-12: POWER TRAIN:AUTOMATIC TRANSMISSION
- [15V826000](/recalls/nhtsa/15V826000.md), 2015-12-09: STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK

## Other bulletins for the same vehicles and component

- [S1408000384 REV.J](/bulletins/11030035.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. 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
- [S1408000384 REV.I](/bulletins/11028904.md), 2026-02-19, Service bulletin: ELECTRICAL SYSTEM. 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
- [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.
- [S2208000138 REV.B](/bulletins/11020600.md), 2025-07-09, Service bulletin: ELECTRICAL SYSTEM. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
- [S1408000384 REV.H](/bulletins/11013171.md), 2025-01-28, Service bulletin: ELECTRICAL SYSTEM. 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
- [S1408000384 REV.G](/bulletins/11012777.md), 2025-01-09, Service bulletin: ELECTRICAL SYSTEM. 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
- [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 "
- [S1408000384](/bulletins/10251783.md), 2024-03-18, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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.
- [9100226](/bulletins/10248509.md), 2024-01-08, Service bulletin: ELECTRICAL SYSTEM. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.

JSON: [/v1/bulletins/10148586](/v1/bulletins/10148586)

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