Originally Posted by LoveMyFirstJeep
Meaning ECO when turned off will not stay off for the next trip you make. When the jeep is restarted the light comes back on. Bummer.
Hmm, that's not good.
When I read the TSB my expectation would be that the setting is retained after the re-flash.
WK vehicles equipped with a 3.6L engine (Sales Code ERB)
• **ECO mode will not retain settings. If ECO mode is turned off, it will turn back on
after the ignition is cycled.**
• Software to correct a harsh bump feel during a 2-1 downshift.
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
NOTE: If this flash process is interrupted/aborted, the flash should be restarted.
21-004-15 -2-1. 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 the
tech to clear them.
3. Turn the ignition off, disconnect wiTECH and let the modules go to sleep.
4. Start the engine and monitor the transmission temperature on the EVIC.
5. With the vehicle located in a suitable area, perform the following steps to help enable
the transmission to quickly warm up to minimum of 55°C (131°F).
a. Apply the service brake.
b. Shift Transmission from Park to Reverse.
c. Shift Transmission from Reverse to Drive.
d. Accelerate the vehicle to minimum of 45 mph to allow the transmission to cycle
through each gear.
e. Drive the vehicle until the transmission temperature reaches 55°C (131°F).
6. Reconnect wiTECH to the vehicle.
7. Check for TCM DTCs that may have reset.