{"nhtsa_id":10229535,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-09","date":"2022-08-03","document_id":"0814622","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM); ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a false Malfunction Indicator Lamp (MIL) illumination related to PHEV battery: P1A21-00 - HV Battery Contactor Control Sequence Incorrect. P0B3E-00 - Hybrid/EV Battery Voltage Sense 1 Circuit High. P0607-00 - ECU Internal Performance. P1E1B-00 - Hybrid/EV Battery Side Voltage System Isolation. P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229535-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229535-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229535","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"hybrid-ev","name":"Hybrid and electric drive","parent":null},{"id":"traction-battery","name":"High-voltage battery","parent":"hybrid-ev"}],"codes":["P0607","P0AA4","P0B3E","P1A21","P1E1B"],"topics":[],"vehicles":[{"make":"JEEP","model":"WRANGLER","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_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":[]}