18-031-17 REV. B

NUMBER:
GROUP:
DATE:
18-031-17 REV. B
18 - Vehicle
Performance
June 23, 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.
THIS BULLETIN SUPERSEDES SERVICE BULLETIN 18-031-17 REV. A, DATED APRIL 20, 2017,
WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED
WITH **ASTERISKS** AND INCLUDE UPDATED BUILD DATE, ADDITIONAL TRANSMISSION
SALES CODE AND LOP.
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
(DS)
RAM 1500 Pickup
NOTE: This bulletin applies to vehicles within the following markets/countries: NAFTA,
LATAM and EMEA.
NOTE: This bulletin applies to vehicles built on or before **May 25, 2017 (MDH 0525XX)**
equipped with a 5.7L V8 Hemi MDS VVT Engine (Sales Code EZH), with an 8-SPD
Automatic 8HP70 Transmission (Sales Codes DFK or DFD) **or 6-SPD Automatic
65RFE Transmission (Sales Code DG1).**
SYMPTOM/CONDITION:
Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further
investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs):
• U1424-00 - Implausible Engine Torque Signal Received.
• P062A - Fuel Pump Control Performance.
In addition, customers may experience the following condition:
• When starting a cold engine the vehicle has a rough idle and/or the engine will shut off.
18-031-17 REV. B
-2-
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 ones 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 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 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.
3. Verify the Transmission Control Module (TCM) is programmed with the latest available software.
Refer to all applicable published service bulletins for detailed repair procedures and labor times
regarding updating the TCM software.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation
No:
Description
Skill Category
Amount
**18-19-06-SB
Module, Powertrain Control (PCM) Reprogram
(0 - Introduction)
1 - Engine Repair 0.3 Hrs.**
and Performance
NOTE: The expected completion time for the flash download portion of this procedure is
approximately 6 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