18-026-15

NUMBER:
GROUP:
DATE:
18-026-15
Vehicle Performance
March 31, 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 15.03 OR HIGHER TO PERFORM THIS
PROCEDURE.
SUBJECT:
Flash: 6.4L Powertrain Diagnostic And System Enhancements
OVERVIEW:
This bulletin involves reprogramming the Powertrain Control Module with the latest
available software.
MODELS:
2015
(LA)
Dodge Challenger
NOTE: This bulletin applies to vehicles built on or before March 11, 2015 (MDH
0311XX) equipped with a 6.4L engine (Sales Codes ESG or ESH).
SYMPTOM/CONDITION:
A small number of customers may experience a slight spark knock condition during
aggressive high speed driving. They may state that when this occurs, the vehicle is unable
to achieve maximum top speed. No Diagnostic Trouble Codes (DTCs) are associated with
this condition.
In addition, customers may also comment that, with the cluster set on metric units, they are
unable to accurately increase or decrease the cruise control set speed using the resume or
set buttons. Instead of changing vehicle speed by 1 KPH when pressing the buttons, the
vehicle speed will increase approximately 1.6 KPH.
DIAGNOSIS:
Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in
TechCONNECT, verify all engine systems are functioning as designed. If 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, perform the Repair
Procedure.
18-026-15
-2-
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 available 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 all 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:
18-09-06-CA
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 3 minutes. Actual flash download times may be
affected by vehicle connection and network capabilities.
FAILURE CODE:
The dealer must choose which failure code to use. If the customer came in with an
issue and the dealer found updated software to correct that issue, use failure code
CC, for all other use failure code RF.
•
•
CC - Customer Concern ( Ex. Customer comes in with a concern and updated
(flash) software is found pertaining to the concern).
RF - Routine Flash ( Ex. Customer comes in with no concern but updated (flash)
software is found in VIP, wiTech or wiADVISOR ).
CC
Customer Concern
RF
Routine Flash