Jeep Compass 2019 — technical service bulletin
Bulletin 18-046-20 REV. A · NHTSA communication 10181633 · issued Sep 26, 2020
Technical service bulletin
communication type
Power Train
component
2019
model years
1
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience one or more of the following conditions: Reduced battery life. Intermittent Engine Stop/Start (ESS) operation.
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.