Jeep Cherokee 2019 — technical service bulletin
Bulletin 18-024-19 REV. B · NHTSA communication 10168464 · issued Oct 16, 2019
Technical service bulletin
communication type
Electrical System
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 a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P06EF - Engine Restart Performance. P0456 - EVAP System Small Leak. Customers may also comment on one or more of the following: Extended engine crank times or possibly a no start condition(South Korea with Sales Code EDD only). The engine fails to restart while
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.