^^^
You mentioned misreading the TSB, but all it says is:
SUBJECT:
Flash: 8HP70 Transmission Shift Enhancements
OVERVIEW:
This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software.
MODELS:
2014 (WK) Jeep Grand Cherokee 2014 (WD) Dodge Durango
NOTE: This bulletin applies to vehicles equipped with a 5.7L engine (Sales Codes EZH) and an 8HP70 automatic transmission (sales code DFD).
SYMPTOM/CONDITION:
A small number of customers may indicate that the transmission shift quality may not meet their expectations under the following conditions. These concerns are separated by vehicle.
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.

WK Vehicles
• **ECO mode will not retain settings. If ECO mode is turned off, it will turn back on after the ignition is cycled.**
• Less than desired upshift quality in normal drive mode under light/medium acceleration.
• Less than desired Power-on downshift quality (i.e. passing).
• Less than desired powertrain performance while driving at higher altitudes, on steep
grades, or during high speed driving.
• Less than desired tip in/out acceleration during torque converter clutch operation.
• Less than desired engagement quality in 4x4 high or 4x4 low range.
http://www.wk2jeeps.com/tsb/tsb_wk2_2100315.pdf