NUMBER:
GROUP:
DATE:

18-020-14
Vehicle Performance
March 19, 2014

This bulletin is supplied as technical information only and is not an authorization for repair. No part of this publication may be reproduced, stored in a retrieval system,
or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of Chrysler Group LLC.

THIS SERVICE BULLETIN IS ALSO BEING RELEASED AS RAPID RESPONSE
TRANSMITTAL (RRT) 14-029. ALL APPLICABLE SOLD AND UN-SOLD RRT VIN's
HAVE BEEN LOADED. TO VERIFY THAT THIS RRT SERVICE ACTION IS
APPLICABLE TO THE VEHICLE, USE VIP OR PERFORM A VIN SEARCH IN
TECHCONNECT. ALL REPAIRS ARE REIMBURSABLE WITHIN THE PROVISIONS OF
WARRANTY.
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 RELEASE 14.03 OR HIGHER TO
PERFORM THIS PROCEDURE.
SUBJECT:
Flash: Transmission Control Module Body Control Module And Instrument Cluster
Interface Enhancements to Improved Transmission Performance
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Transmission Control
Module (TCM), Body Control Module (BCM), and the Instrument Panel Cluster (IPC) with
new software.
MODELS:
2014

(BF)

500L

NOTE: This bulletin applies to vehicles equipped with a 6 - SPD C635 Dual Dry
Clutch Auto Trans (sales code DA1) built on or before January 16, 1014
(MDH0116XX).
SYMPTOM/CONDITION:
Customer may desire refined transmission gear selection performance.
DIAGNOSIS:
Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in
TechCONNECT, verify all engine systems are functioning as designed. If DTC's are
present record them on the repair order and repair as necessary before proceeding further
with this bulletin.

18-020-14

-2-

If a customer’s VIN is listed in VIP or your RRT VIN list, perform the repair. For all other
customers that describe the symptom/condition, 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 BCM, TCM and IPC with the latest software. Help using the wiTECH
Diagnostic Application for flashing control modules is available through the wiTECH
Diagnostic Application. For instructions select the “HELP” tab on 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. Follow the detailed service procedures available in DealerCONNECT/TechCONNECT,
Refer To Group 8 - Electrical > Electronic Control Modules - Service Information >
Module - Powertrain Control > Standard Procedures > ECM Programming.
3. After ECM reprogramming, the following must be performed:clear any DTC's that
may have been set in other modules due to reprogramming. The wiTECH application
will automatically present all DTCs after the flash and allow the tech to clear them.
NOTE: You must perform the Transmission relearn procedures.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation
No:
18-19-02-G9

Description

Module, BCM, TCM, and IPC - 2 - AUTOMATIC
Reprogram (1 - Semi-Skilled)
TRANSMISSION

FAILURE CODE:
FM

Skill Category

Flash Module

Amount
0.6 Hrs.