Jeep Cherokee 2019 — technical service bulletin
Bulletin 1807722 · NHTSA communication 10228033 · issued Apr 9, 2022
Technical service bulletin
communication type
Service Brakes, Hydraulic
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 one or more of the following DTCs: P1D83 - Implausible Engine Oil Temperature Signal Received. P2610 - PCM Internal Engine Off Timer Performance. P06EF - Engine Restart Performance. P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification Test (SLVT) to determine if a leak is present in the system. C1252 - Va
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.