# Service bulletin 1803114

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: 10220998
- Published by NHTSA: 2022\-09\-26
- Manufacturer's number: 1803114
- Manufacturer's date: 2014\-09\-03
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM

## NHTSA's summary

Flash: MIL Illumination P1239, P0298\- Engine Oil Temperature Too Low Or High, P0300 Multiple Cylinder Misfire, Includes Powertrain System Improvements/Enhancements 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 that the following Diagnostic Trouble Code has been set: P1239 \- Engine Oil Temperature Too Low, set in cold ambient temperatures. P0298 \- Engine Oil Temperature Too High, set in cold ambient temperatures. P0300 \- Multiple Cylinder Misfire, may set at a 1\-2 upshift above 6000 RPM. Possible rough idle when engaging Drive while in 4 LOW after a cold start .The following system improvements have also been included in this software release: Corrected a generic scan tool display issue regarding Mode 6 data accuracy.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10220998-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10220998-9999.pdf)

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

## Components

Electrical system, Fuel system, Transmission and driveline, Automatic transmission, Transmission control module

## Trouble codes named

P0298, P0300, P1239

## Vehicles listed

- 2014 JEEP CHEROKEE

## Recalls for the same vehicles and component

- [20V343000](/recalls/nhtsa/20V343000.md), 2020-06-11: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AUTOMATIC TRANSMISSION
- [19V447000](/recalls/nhtsa/19V447000.md), 2019-06-13: POWER TRAIN:AUTOMATIC TRANSMISSION
- [16V529000](/recalls/nhtsa/16V529000.md), 2016-07-12: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [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.
- [1806014\-1](/bulletins/10232018.md), 2023-02-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Diagnostic And System Improvements
- [2101814](/bulletins/10229842.md), 2023-01-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Transmission Shift and Diagnostic Enhancements
- [V51](/bulletins/10228020.md), 2022-12-19, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); UNKNOWN OR OTHER. Customer Satisfaction Notification V51 Reprogram Powertrain Control Module
- [2101616](/bulletins/10224669.md), 2022-10-24, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Transmission Diagnostic And Shift Enhancements
- [74595](/bulletins/10223471.md), 2022-10-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. Warranty Bulletin D\-21\-07 \(X89\) Power Transfer Unit \- 2014\-2017 Jeep Cherokee \(KL\)
- [W84](/bulletins/10220584.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Customer Satisfaction Notification W84 Powertrain Software Update
- [18\-031\-14](/bulletins/10218815.md), 2022-08-29, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; EXTERIOR LIGHTING. Flash: MIL Illumination P1239\- Engine Oil Temperature Too Low. Includes Powertrain System Improvements/Enhancements 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 that the following Diagnostic Trouble Code has been set: ? P1239 \- Engine Oil Temperature Too Low The following system improvements have also been included in this software release: ? Corrected a generic scan tool display issue regarding Mode 6 data accuracy
- [0600116](/bulletins/10218018.md), 2022-08-22, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CLUTCHES/BANDS. Clutch Pedal Operation X62 Extended Warranty.

JSON: [/v1/bulletins/10220998](/v1/bulletins/10220998)

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