{"nhtsa_id":10169221,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-12-16","date":"2019-11-01","document_id":"18-024-19 REV. C","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"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.If DTC P0456 is present use the wiTECH Small Leak Verification test (SLVT) to determine if a leak is present in the system. 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 in Engine Stop/Start (ESS) mode. This is usually accompanied withDTC P06EF.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10169221-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10169221-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10169221","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0456","P06EF"],"topics":[],"vehicles":[{"make":"JEEP","model":"CHEROKEE","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_jeep_cherokee"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}