21-042-15 REV-A

NUMBER:
21-042-15 REV. A
GROUP:
Transmission and
Transfer Case
DATE:
September 25, 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.
THIS BULLETIN SUPERSEDES SERVICE BULLETIN 21-042-15, DATED JUNE 13,
2015, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE
HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES AN ADDITIONAL ENGINE,
CLEAN DATE, SYMPTOM/CONDITION AND MODEL YEARS.
HELP USING THE wiTECH DIAGNOSTIC APPLICATION FOR FLASHING MODULES
IS AVAILABLE BY SELECTING “HELP” THEN “HELP CONTENTS” AT THE TOP OF
THE wiTECH DIAGNOSTIC APPLICATION WINDOW.
THE wiTECH SOFTWARE IS REQUIRED TO BE AT THE LATEST RELEASE BEFORE
PERFORMING 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:
**2014 - 2016**
(MK)
Jeep Compass / Patriot
NOTE: This bulletin applies to vehicles within the following markets/countries:
NAFTA and APAC.
NOTE: This bulletin applies to vehicles **built on or before August 21, 2015 (MDH
0821XX)** equipped with the 2.0L I4 DOHC 16V Dual VVT Engine (Sales
Codes ECN), **2.4L I4 DOHC 16V Dual VVT Engine (Sales Codes ED3)** and 6
speed Automatic Transmission (Sales Codes DA4).
SYMPTOM/CONDITION:
Customers may experience one of the following:
•
•
**Calibration will prevent unintentional engagement of AutoStick (Manual Mode)
when shifter is bumped or tapped.**
Poor shift quality or a delayed shifts.
21-042-15 REV. A
-2-
DIAGNOSIS:
Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in
TechCONNECT, verify all engine systems are functioning as designed. If Diagnostic
Trouble Codes (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.
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 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 any DTCs that may have been set in other modules 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:
18-19-05-C2
Description
Skill Category
Module, Transmission Control (TCM) - 2 - Automatic
Reprogram
Transmission
(1 - Semi-Skilled)
Amount
0.2 Hrs.
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.
-3-
21-042-15 REV. A
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