Jeep Compass 2021 — technical service bulletin
Bulletin 1805323 · NHTSA communication 10239916 · issued May 2, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021
model years
1
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates Customers may experience the following: ? Vehicle repeatedly cranks when Engine Stop/Start (ESS) is active but engine doesn?t restart. Pushing switch, engine starts normally. This bulletin involves reprogramming the PCM with the latest available software.
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.