Jeep Compass 2023 — technical service bulletin
Bulletin 1801423a · NHTSA communication 10234491 · issued Feb 10, 2023
Technical service bulletin
communication type
Electrical System
component
2023
model years
1
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates Customer or technician may experience the following: ? Unable to read data information from the OBDII connector when using a scan tool. 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.