18-055-17

NUMBER:
18-055-17
GROUP:
18 - Vehicle
Performance
DATE:
June 8, 2017
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.
FOR HELP WITH USING wiTECH FOR ECU FLASH REPROGRAMMING, CLICK ON THE
APPLICATION’S “HELP” TAB.
THE wiTECH SOFTWARE IS REQUIRED TO BE AT THE LATEST RELEASE BEFORE
PERFORMING THIS PROCEDURE.
SUBJECT:
Flash: Powertrain Diagnostic And System Enhancements
OVERVIEW:
This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available
software.
MODELS:
2017
(DX)
RAM Truck (Mexico)
NOTE: This bulletin applies to vehicles within the following markets/countries: NAFTA,
(Mexico).
NOTE: This bulletin applies to vehicles built on or before April 01, 2017 (MDH 0401XX)
equipped with a 5.7L V8 Hemi VVT Engine (Sales Code EZC), with an 5-Speed Manual
TR4050 Transmission (Sales Codes DDT).
SYMPTOM/CONDITION:
Some customers may experience an issue when starting a cold engine the vehicle has a rough idle
and/or the engine will shut off.
DIAGNOSIS:
Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in
TechCONNECT, verify all related systems are functioning as designed. If DTCs or symptom
conditions, other than the one listed above are present, record the issues on the repair order and
repair as necessary before proceeding further with this bulletin.
For all other customers that describe the symptom/condition, or if the technician finds any of the
DTCs perform the Repair Procedure.
18-055-17
-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 software. Detailed instructions for flashing control modules
using the wiTECH Diagnostic Application are available by selecting the application’s “HELP”
tab.
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:
18-19-06-FH
Description
Skill Category
Amount
Module, Powertrain Control (PCM) Reprogram
(0 - Introduction)
1 - Engine Repair 0.2 Hrs.
and Performance
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:
The dealer must use failure code CC with this Service Bulletin.
• If the customer’s concern matches the SYMPTOM/CONDITION identified in the Service
Bulletin, failure code CC is to be used.
• When utilizing this failure code, the 3C’s (customer’s concern, cause and correction) must be
provided for processing Service Bulletin flash/reprogramming conditions.
CC
Customer Concern