Flash: Powertrain Diagnostic and System Improvements – 2015 Jeep Cherokee

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NUMBER: 18-085-17
GROUP: 18 – Vehicle Performance
DATE: September 19, 2017

 

THIS BULLETIN SUPERSEDES SERVICE BULLETIN 18-035-16 REV. B, DATED DECEMBER 08, 2016, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES, UPDATED SOFTWARE, LOP AND FAILURE CODE STATEMENT.

FOR HELP WITH USING wiTECH FOR ECU FLASH REPROGRAMMING, CLICK ON THE APPLICATION’S “HELP” TAB.

THE wiTECH SOFTWARE IS REQUIRED TO BE AT THE LATEST RELEASE BEFORE PERFORMING THIS PROCEDURE.

 

SUBJECT:

Flash: Powertrain Diagnostic and System Improvements

 

OVERVIEW:

This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software.

 

MODELS:

2015(KL)JeepeBay Cherokee

 

NOTE: This bulletin applies to vehicles equipped with 3.2L Engine (Sales Code EHB).

 

SYMPTOM/CONDITION:

A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, the technician may find the following DTCs set in the PCM memory:

 

In addition the customer may notice one of the following conditions:

  • A push/bump feeling when the transmission is downshifting from eighth to seventh gear.
  • Vehicle shudder at stop/start with A/C on.

 

Software enhancement also includes:

  • Calibration update to allow the throttle body to be cycled while the engine is off, for diagnostic purposes.

 

DIAGNOSIS:

Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all related systems are functioning as designed. If Diagnostic Trouble Codes (DTCs) or symptom conditions, other than the ones listed above are present, record the issues on the repair order and repair as necessary before proceeding further with this bulletin.

If the customer describes the symptom/condition listed above or if the technician finds the DTC, perform the Repair Procedure.

 

REPAIR PROCEDURE:

NOTE: The Transmission Control Module (TCM) must be updated to the latest available software at the conclusion of this repair procedure. Refer to all applicable published service bulletins for detailed repair procedures and labor times regarding updating the TCM software.

NOTE: Install a battery charger Flash: Powertrain Diagnostic and System Improvements - 2015 Jeep Cherokee | small light to ensure battery voltage does not drop below 13.2 volts. Do not allow the charging voltage to climb above 13.5 volts during the flash process.

NOTE: If this flash process is interrupted/aborted, the flash should be restarted.

  1. Reprogram the PCM with the latest software. Detailed instructions for flashing control modules using the wiTECH Diagnostic Application are available by selecting the application’s “HELP” tab.
  2. Clear any DTCs that may have been set in any module due to reprogramming. The wiTECH application will automatically present all DTCs after the flash and allows them to be cleared.
  3. Verify the TCM is programmed with the latest available software. Refer to all applicable published service bulletins for detailed repair procedures and labor times regarding updating the TCM software.

 

POLICY:

Reimbursable within the provisions of the warranty.

 

TIME ALLOWANCE:

Labor Operation No: DescriptionSkill Category Amount
**18-19-06-SSModule, Powertrain Control (PCM) Reprogram (0 – Introduction)1 – Engine Repair and Performance0.2 Hrs.**

 

NOTE: The expected completion time for the flash download portion of this procedure is approximately 5 minutes. Actual flash download times may be affected by vehicle connection and network capabilities.

 

FAILURE CODE:

**The dealer must use failure code CC with this Service Bulletin.

  • If the customer’s concern matches the SYMPTOM/CONDITION identified in the Service Bulletin, failure code CC is to be used.
  • When utilizing this failure code, the 3C’s (customer’s concern, cause and correction) must be provided for processing Service Bulletin flash/reprogramming conditions.**
CCCustomer Concern

 


NUMBER: 18-085-17
GROUP: 18 – Vehicle Performance
DATE: September 19, 2017

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18-035-16 REV. B


NUMBER: 18-035-16 REV. A
GROUP: Vehicle Performance
DATE: June 30, 2016

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NUMBER: 18-035-16
GROUP: Vehicle Performance
DATE: April 02, 2016

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18-007-15 REV. C

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NUMBER: 18-007-15 REV. A
GROUP: Vehicle Performance
DATE: March 28, 2015

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Reprogramming

Chrysler J2534 Application Overview

 

DRB III Emulator

Flash Availability - J2534/Pass Thru Device

Vehicle to Diagnostic Tool Reference Chart

 

ChryslereBay Recommended J2534 Devices

For ChryslereBay recommended J2534 device, see below table.

J2534 Device Firmware Version
CTC Vehicle Box * 1.9
UCAN 2 1.0
Blue Streak -2534 Global Programmer 2.10
Actia I+ME Passthru 2.07

* ChryslereBay recommends the CTC Vehicle Box Device for ChryslereBay SCI ECU reprogramming. SCI reprogramming is used on most PCMs and TCMs prior to the introduction of CAN bus vehicles which began in 2004 (Durango).

 

Compatible J2534 Devices

Flash: Powertrain Diagnostic and System Improvements - 2015 Jeep Cherokee | small light CarDAQ-Plus 3 All Makes J2534 Reprogramming Tool
Flash: Powertrain Diagnostic and System Improvements - 2015 Jeep Cherokee | small light CarDAQ-Plus 2 Diagnostic Code Reader and J2534 Programming Tool
Flash: Powertrain Diagnostic and System Improvements - 2015 Jeep Cherokee | small light CarDAQ-Plus
Flash: Powertrain Diagnostic and System Improvements - 2015 Jeep Cherokee | small light CarDAQ-M
Flash: Powertrain Diagnostic and System Improvements - 2015 Jeep Cherokee | small light VSI J2534 ECU Reprogrammer
Flash: Powertrain Diagnostic and System Improvements - 2015 Jeep Cherokee | small light

Bosch Automotive Tools MTECH2 Mastertech II J2534 VCI with Wired/Wireless Capability for OEM Reprogramming and Diagnostics on GM, Ford, FCA, Nissan/Infiniti, Honda/Acura, and Toyota/Lexus Vehicles

Flash: Powertrain Diagnostic and System Improvements - 2015 Jeep Cherokee | small light

RAP2 OEM J2534 Remote Reprogramming Tool

Flash: Powertrain Diagnostic and System Improvements - 2015 Jeep Cherokee | small light

BOSCH Automotive Tools MTECH2 Mastertech II J2534 VCI

Flash: Powertrain Diagnostic and System Improvements - 2015 Jeep Cherokee | small light

Autel MaxiFlash VCI Vehicle Communication Interface J2534 PassThru ECU Programming Device Bluetooth Connection Internet Update Support CAN FD, 4 CAN Channels, DoIP, D-PDU Works with PC or Autel MS909

Flash: Powertrain Diagnostic and System Improvements - 2015 Jeep Cherokee | small light

GODIAG J2534

 


Click on the link below to:

Download J2534 Application

(Install the wiTECH 2.0 J2534 Application on your computer)

Download the Setup Utility

(Configure your microPod/MDP device)

Launch wiTECH 2.0

(Once subscription and users are assigned to a tool please follow this link to access wiTECH)

https://www.mopartsp.com/support

 


Chrysler J2534 Manual

wiTECH Software

www.techauthority.com

 


 

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