18-011-15 REV. A

NUMBER:
GROUP:
DATE:
18-011-15 REV. A
Vehicle Performance
March 11, 2015
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 FCA US LLC.
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 18-011-15, DATED
JANUARY 28, 2015, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL
REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES UPDATED
SYMPTOMS/CONDITIONS AND VEHICLE LINES.
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: 3.6 Diagnostic And System Improvements
OVERVIEW:
This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated
software.
MODELS:
2015
(LA)
Dodge Challenger
**2015
(LX)
Chrysler 300**
**2015
(LD)
Dodge Charger**
NOTE: This bulletin applies to vehicles built on or before **January 24, 2015 (MDH
0124XX)** equipped with 3.6L V6 24V VVT Engine (sales code ERB).
SYMPTOM/CONDITION:
Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further
investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in
the PCM memory:
•
•
•
U0140 Lost Communication With Body Control Module. Attempting to clear the DTC
will be unsuccessful.
**P0300 Multiple Cylinder Misfire.**
**P0573 Brake Switch 1 Stuck Off. **
18-011-15 REV. A
-2-
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 ones listed above are present, record them on the repair order and repair as necessary
before proceeding further with this bulletin.
Customers that describe the symptom/condition, or if the technician finds any of the DTCs
listed above 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.
NOTE: After PCM reprogramming, the following must be performed:
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 the
DTCs to be cleared.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation
No:
**18-19-06-BU
Description
Module, Powertrain Control (PCM) Reprogram
(0 - Introduction)
Skill Category
8 - Engine
Performance
Amount
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