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Service bulletin 08-076-14

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10139729
Published by NHTSA2018-06-11
Manufacturer's number08-076-14
Manufacturer's date2014-09-10
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM

NHTSA's summary

Engine Does Not Start at the First Attempt This bulletin involves upgrading the software in the Powertrain Control Module (PCM). A customer may experience, the engine fails to start at the first attempt using the Keyless Ignition Node (KIN) button.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

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

Vehicles listed
JEEP CHEROKEE2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20V3430002020-06-11. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AUTOMATIC TRANSMISSION
19V4470002019-06-13. POWER TRAIN:AUTOMATIC TRANSMISSION
16V5290002016-07-12. POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
S23250000072024-01-08. Service bulletin. MIL/check engine lamp comes on after performing U90 recall PCM software update.
S23250000072023-10-30. Service bulletin. MIL/check engine lamp comes on after performing U90 recall PCM software update.
1806014-12023-02-21. Service bulletin. Diagnostic And System Improvements
21018142023-01-17. Service bulletin. Transmission Shift and Diagnostic Enhancements
V512022-12-19. Service bulletin. Customer Satisfaction Notification V51 Reprogram Powertrain Control Module
21016162022-10-24. Service bulletin. Transmission Diagnostic And Shift Enhancements
745952022-10-17. Service bulletin. Warranty Bulletin D-21-07 (X89) Power Transfer Unit - 2014-2017 Jeep Cherokee (KL)
18031142022-09-26. Service bulletin. 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.
W842022-09-26. Service bulletin. Customer Satisfaction Notification W84 Powertrain Software Update
18-031-142022-08-29. Service bulletin. 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