Jeep Cherokee 2016 — technical service bulletin
Bulletin 21-014-16 REV. A · NHTSA communication 10121892 · issued Nov 30, 2016
Technical service bulletin
communication type
Power Train
component
2016
model years
1
vehicle entries
Official summary
Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Some customers may experience one of the following: A less than desirable upshift in the transmission. Unwanted activation of second gear start while in winter mode.The following software enhancement is included in this update: Disable winter mode second gear launch (improve low traction launch).
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.