# Service bulletin SB\-21\-051\-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: 10058733
- Published by NHTSA: 2015\-11\-10
- Manufacturer's number: SB\-21\-051\-15
- Manufacturer's date: 2015\-08\-21
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's summary

2014 JEEP CHEROKEE: A MALFUNCTION INDICATOR LAMP ILLUMINATION MAY BE EXPERIENCED BY CUSTOMERS. BULLETIN INCLUDES PROCEDURE ON FLASH REPROGRAMMING OF THE TRANSMISSION CONTROL MODULE WITH LATEST SOFTWARE \*CN

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Transmission and driveline, Automatic transmission

## 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 \(KL\)
- [1803114](/bulletins/10220998.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. 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.
- [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

JSON: [/v1/bulletins/10058733](/v1/bulletins/10058733)

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