Jeep Renegade 2015–2018 — technical service bulletin
Bulletin 18-030-20 · NHTSA communication 10174257 · issued Mar 31, 2020
Technical service bulletin
communication type
Electrical System
component
2015–2018
model years
4
vehicle entries
Official summary
Flash: Powertrain Diagnostic and System Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software.
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.