21-032-15

NUMBER:
GROUP:
DATE:
21-032-15
Transmission and
Transfer Case
May 14, 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 A TCM IS
AVAILABLE BY SELECTING “HELP” THEN “HELP CONTENTS” AT THE TOP OF
THE wiTECH DIAGNOSTIC APPLICATION WINDOW.
THE wiTECH SOFTWARE LEVEL MUST BE AT 15.04 OR HIGHER TO PERFORM THIS
PROCEDURE.
SUBJECT:
Flash: Transmission Shift And Drivability Enhancements
OVERVIEW:
This bulletin involves reprogramming the Transmission Control Module (TCM) with the
latest available software.
MODELS:
2015
(BU)
Jeep Renegade
NOTE: This bulletin applies to vehicles built on or before May 12, 2015 (MDH
05127XX) equipped with a 1.4L engine (Sales Code EAM) and 948TE
transmission (Sales Code DFH).
SYMPTOM/CONDITION:
A small number of 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).
•
•
•
•
•
P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance
P0887 - TCM Power Control Circuit High
P1CC9 - Unable to Engage Gear
P1D98 - Incorrect Gear Ratio Clutch B or D Defective
U0401 - Implausible Data Received From ECM-PCM
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DIAGNOSIS:
Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in
TechCONNECT, verify all 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 or if the technician finds the
DTC, perform the Repair Procedure.
REPAIR PROCEDURE:
CAUTION: The Engine Control Module (ECM) must be updated to the latest available
software at the conclusion of this repair procedure. Refer to all
applicable published service bulletins for detailed repair procedures and
labor times regarding updating the ECM software.
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 TCM 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.
3. Verify the ECM is programmed with the latest available software. Refer to all
applicable published service bulletins for detailed repair procedures and labor times
regarding updating the ECM software.
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21-032-15
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation
No:
18-19-05-BA
Description
Skill Category
Module, Transmission Control (TCM) - 21 Reprogram (1 - Semi-Skilled)
Transmission
and Transfer
Case
Amount
0.2 Hrs.
NOTE: The expected completion time for the flash download portion of this
procedure is approximately 4 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.
•
•
If the customer’s concern matches the SYMPTOM/CONDITION identified in the
Service Bulletin, than failure code CC is to be used.
If an available flash is completed while addressing a different customer concern,
failure code RF is to be used.
CC
Customer Concern
RF
Routine Flash