18-011-15

NUMBER:
GROUP:
DATE:
18-011-15
Vehicle Performance
January 28, 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.
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 15.02 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 updated
software.
MODELS:
2015
(LA)
Dodge Challenger
NOTE: This bulletin applies to vehicles built on or before November 03, 2014 (MDH
1103XX) equipped with 3.6L V6 24V VVT Engine (sales code ERB).
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.
18-011-15
-2-
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-BM
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 11 minutes. Actual flash download times may be
affected by vehicle connection and network capabilities.
FAILURE CODE:
FM
Flash Module