NUMBER:

21-001-16 REV. C

GROUP:

Transmission and
Transfer Case

DATE:

May 10, 2016

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 21-001-16 REV. B, DATED
APRIL 01, 2016, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL
REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE BUILD DATE
CHANGE FOR 3.2L ENGINE ONLY AND A NEW LABOR OP.
THIS SERVICE BULLETIN IS ALSO BEING RELEASED AS RAPID RESPONSE
TRANSMITTAL (RRT) 16-001. ALL APPLICABLE SOLD AND UN-SOLD RRT VIN's
HAVE BEEN LOADED. TO VERIFY THAT THIS RRT SERVICE ACTION IS
APPLICABLE TO THE VEHICLE, USE VIP OR PERFORM A VIN SEARCH IN
TECHCONNECT. ALL REPAIRS ARE REIMBURSABLE WITHIN THE PROVISIONS OF
WARRANTY.
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: Transmission Diagnostic And Shift Enhancements
OVERVIEW:
This bulletin involves reprogramming the Transmission Control Module (TCM) with the
latest available software.
MODELS:
2016

(KL)

Jeep Cherokee

21-001-16 REV. C

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NOTE: The RRT portion of this bulletin applies to vehicles within the following
markets/countries: US Market only.
NOTE: This bulletin applies to vehicles within the following markets/countries:
NAFTA, EMEA, LATAM and APAC.
NOTE: This bulletin applies to vehicles built on or before **April 25, 2016 (MDH
0425XX) with a 3.2L Engine (Sales Code EHK) and a 9 Speed Automatic
Transmission (Sales Code DFH) or (Sales Code DFJ)**.
NOTE: This bulletin applies to vehicles built on or before February 29, 2016 (MDH
0229XX) equipped with a 2.4L Engine (Sales Code ED6 or ED8) and a 9 Speed
Automatic Transmission (Sales Code DFH) or (Sales Code DFJ).
SYMPTOM/CONDITION:
2.4L Engine (Sales Code ED6/ED8)
Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon
further investigation, a technician may find the following Diagnostic Trouble Code (DTC)
stored in the TCM memory:
•

P061B - Internal Control Module Torque Calculation Performance.

In addition, some customers may experience one or more of the following conditions:
•
•
•
•

5-4 coast down transmission shift quality enhancement.
Less than desired low speed drivability and response to accelerator pedal input.
Less than desired transmission shift quality.
Transmission is slow to upshift after releasing the accelerator pedal.

3.2L Engine (Sales Code EHK)
Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon
further investigation, a technician may find the following Diagnostic Trouble Code (DTC)
stored in the TCM memory:
•

P061B - Internal Control Module Torque Calculation Performance.

In addition, some customers may experience one or more of the following conditions:
•
•
•
•
•
•

5-4 coast down transmission shift quality enhancement.
Less than desired low speed drivability and response to accelerator pedal input.
Less than desired transmission shift quality.
Less than optimal transmission shift timing, driving up and down hills.
Less than desired Engine Stop/Start re-engagement or smoothness.
Transmission is slow to upshift after releasing the accelerator pedal.

-3-

21-001-16 REV. C

DIAGNOSIS:
Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in
TechCONNECT, verify all vehicle 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 a customer’s VIN is listed in VIP or your RRT VIN list, perform the repair. For all other
customers that describe the symptom/condition listed above or if the technician finds the
DTC, 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 software. Detailed instructions for flashing control
modules using the wiTECH Diagnostic Application are available by selecting the
application’s “HELP” tab.
2. Clear any DTCs that may have been set in any module due to reprogramming. The
wiTECH application will automatically present all DTCs after the flash and allows them
to be cleared.
NOTE: If the software is up to date use inspection LOP (18-19-05-CS) to close an
active RRT.
3. Verify the Powertrain Control Module (PCM) is programmed with the latest available
software. Refer to all applicable published service bulletins for detailed repair
procedures and labor times regarding updating the PCM software.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation
No:

Description

Skill Category

Amount

18-19-05-CS

Module, Transmission Control
(TCM) - Inspect
(0 - Introduction)

2 - Automatic
Transmission

0.2 Hrs.

**18-19-05-DD

Module, Transmission Control
(TCM) - Reprogram
(0 - Introduction)

2 - Automatic
Transmission

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.

21-001-16 REV. C

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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, 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