Jeep Cherokee 2016 — technical service bulletin
Bulletin 21-001-16 REV. C · NHTSA communication 10181484 · issued May 10, 2016
Technical service bulletin
communication type
Electrical System
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 a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the TCM memory: · P061B - Internal Control Module Torque Calculation Performance. In addition, some customers may experience one or more of the following conditions: · 5-4 coast down transmission shift quality enhancement. · Less than desired low speed
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.