21-010-14

NUMBER:
GROUP:
DATE:
21-010-14
Transmission and
Transfer Case
April 01, 2014
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 Chrysler Group LLC.
SUBJECT:
Transmission Torque Management Enhancements While in Reverse
OVERVIEW:
This bulletin involves replacing the transmission control module with a revised part.
MODELS:
2013
WK
Grand Cherokee SRT8 - Australia Market
Only
NOTE: This bulletin applies to SRT8 vehicles sold in Australia only.
SYMPTOM/CONDITION:
Customers may indicate that the engine does not have enough power to back a trailer up a
steep grade. In addition, they may also indicate that the transmission shifts too early during
acceleration while turning.
DIAGNOSIS:
A revised transmission software calibration improves the transmission torque management
in reverse and while turning.
If the customer describes the symptom, perform the Repair Procedure.
PARTS REQUIRED:
Qty.
Part No.
Description
1
05150891AB
Module, Transmission Control
REPAIR PROCEDURE:
1. Replace the transmission control module. Refer to
DealerCONNECT>Service>TechCONNECT>Service Info>08 - Electrical>8E Electronic Control Modules>MODULE, Transmission Control>Removal/Installation for
additional information.
2. Perform the adaptation procedure. Refer to
DealerCONNECT>Service>TechCONNECT>Service Info>08 - Electrical>8E Electronic Control Modules>MODULE, Transmission Control>Standard
Procedure>ADAPTATION - 3.6L/6.4L GAS/3.0L DIESEL VEHICLES for additional
information.
POLICY:
21-010-14
-2-
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation
No:
08-19-05-90
Description
Module, Transmission Control (TCM) - 2 - Automatic
Replace (2 - Skilled)
Transmission
FAILURE CODE:
ZZ
Skill Category
Service Action
Amount
1.0 Hrs.