Jeep Grand Cherokee 2014 — technical service bulletin
Bulletin 2101215 · NHTSA communication 10223632 · issued Feb 28, 2015
Technical service bulletin
communication type
Electrical System
component
2014
model years
1
vehicle entries
Official summary
Flash: Transmission Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. ? ECO mode will not retain settings. If ECO mode is turned off, it will turn back on after the ignition is cycled.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.