{"nhtsa_id":10241090,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-08-21","date":"2023-06-15","document_id":"1807023","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","mfr_system":null,"summary":"Flash: Powertrain Control Module (PCM) Updates 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: ? **P02EE - CYLINDER 1 INJECTOR CIRCUIT PERFORMANCE. ? P02EF - CYLINDER 2 INJECTOR CIRCUIT PERFORMANCE. ? P02F0 - CYLINDER 3 INJECTOR CIRCUIT PERFORMANCE. ? P02F1 - CYLINDER 4 INJECTOR CIRCUIT PERFORMANCE. ** ? P0335 - Crankshaft Position Sensor Circuit. ? P0339 - Crankshaft Position Sensor Intermittent. ? P2C90 - Crankcase Ventilation System - Hose 9A9 Disconnected . ? P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). ? P0441 - EVAP Purge System Performance. ? P0607 - ECU Internal Performance. ? P0506 - Idle Speed Performance Lower Than Expected. The customer may also comment on the following: ? ?Performance Limited Service Fuel System? message in the Instrument Panel Cluster (IPC). This bulletin involves reprogramming the PCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241090-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241090-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241090","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["P02EE","P02EF","P02F0","P02F1","P0335","P0339","P0441","P0506","P0607","P2172","P2C90"],"topics":[],"vehicles":[{"make":"JEEP","model":"WRANGLER","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_jeep_wrangler"]}],"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":[]}