Flash: Powertrain Control Module (PCM) Updates - 2015 Jeep Wrangler

NUMBER: 18-024-15
GROUP: Vehicle Performance
DATE: March 13, 2015

 

THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 18-068-14, DATED NOVEMBER 25, 2014, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES REMOVING VEHICLES WITH 3.6L ENGINE. THESE VEHICLES WILL NOW BE COVERED UNDER EMISSION RECALL P72.

HELP USING THE wiTECH DIAGNOSTIC APPLICATION FOR FLASHING AN ECU IS AVAILABLE BY SELECTING “HELP” THEN “HELP CONTENTS” AT THE TOP OF THE wiTECH DIAGNOSTIC APPLICATION WINDOW.

THE wiTECH SOFTWARE LEVEL MUST BE AT 15.03 OR HIGHER TO PERFORM THIS PROCEDURE.

 

SUBJECT:

Flash: U0140 Lost Communication With Body Control Module

 

OVERVIEW:

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

 

MODELS:

2015 (JK) Jeep Wrangler

NOTE: **This bulletin applies to vehicles built on or before October 16, 2014 (MDH 1016XX) equipped with 3.0L V6 24V VVT Engine (sales code EHD).**

 

SYMPTOM/CONDITION:

During normal diagnostics a technician may find Diagnostic Trouble Code (DTC) U0140 Lost Communication With Body Control Module. Attempting to clear the DTC will be unsuccessful.

 

DIAGNOSIS:

Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all engine systems are functioning as designed. If DTCs other than the one listed above are present, record them on the repair order and repair as necessary before proceeding further with this bulletin.

If the technician finds the DTC during normal diagnostics, perform the Repair Procedure.

 

REPAIR PROCEDURE:

NOTE: Install a battery charger 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 “HELP” tab on the upper portion of the wiTECH window, then “HELP CONTENTS.” This will open the Welcome to wiTECH Help screen where help topics can be selected.
  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 allow them to be cleared.

 

POLICY:

Reimbursable within the provisions of the warranty.

 

TIME ALLOWANCE:

Labor Operation No: Description Skill Category Amount
18-19-06-AR Module, Powertrain Control (PCM) Reprogram (0 - Introduction) 8 - Engine Performance 0.2 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:

FM Flash Module

18-078-18


NUMBER: 18-024-15
GROUP: Vehicle Performance
DATE: March 13, 2015

https://www.nhtsa.gov/recalls?nhtsaId=10144838

https://static.nhtsa.gov/odi/tsbs/2015/MC-10144838-9999.pdf

Download (PDF, 35KB)


 

Chrysler J2534 Application Overview

 

DRB III Emulator

Flash Availability - J2534/Pass Thru Device

Vehicle to Diagnostic Tool Reference Chart

 

Chrysler Recommended J2534 Devices

For Chrysler 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

* Chrysler recommends the CTC Vehicle Box Device for Chrysler 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

CarDAQ-Plus 2 Diagnostic Code Reader and J2534 Programming Tool
Drew Technologies (DRWCDPLUSKIT) CarDAQ-Plus J2534 Flash Reprogramming Kit
CarDAQ-M Modular PassThru J2534 Vehicle Reflash Hardware
VSI J2534 ECU Reprogrammer & Diagnostic Adapter
Autel MaxiFlash Elite J2534 ECU Programming Tool
Dearborn d-Bridge Adapter J2534 OBDII Engineering Tool
Drew Tech Mongoose Chrysler Pro Oem Diagnostics And Programing Cable Chrysler

 

Chrysler J2534 Manual

wiTECH Software

www.techauthority.com

 

 

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Last update on 2019-07-16 / Affiliate links / Images from Amazon Product Advertising API

Last update on 2019-07-16 / Affiliate links / Images from Amazon Product Advertising API

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