{"nhtsa_id":11022166,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-08-27","date":"2025-08-21","document_id":"18-079-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P24B9 - Evap System Leak Detection Pump Pressure Sensor Circuit Range/Performance. ● P1CEA - Boost Side Evap Purge System Performance. Customers may experience the following: ● Check Engine warning lamp on 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/2025/MC-11022166-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022166-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11022166","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P1CEA","P24B9"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_jeep_grand-cherokee-l"]}],"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":[]}