{"nhtsa_id":11020741,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-07-17","date":"2025-07-10","document_id":"08-128-25 REV. A","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Battery Pack Control Module (BPCM) Updates 6A2 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0DE6 - Hybrid/EV Battery Pack Cell Voltage Low. NOTE: Active or stored. ● P1DAF - Incompatible Limp In Action Requested. NOTE: Active or stored. ● P1CDE – Hybrid/EV Wakeup Control 2 Output Circuit Short to Ground. ● P1CDA – Hybrid/EV Wakeup Control 1 Output Circuit/Open. ● U00C6 – Lost Communication With AIR Pressure Sensor. ● P0F00 - Hybrid/EV Battery Module 1 Performance. ● P0F01 - Hybrid/EV Battery Module 2 Performance. ● P0F02 - Hybrid/EV Battery Module 3 Performance. ● P0F03 - Hybrid/EV Battery Module 4 Performance. ● P0F04 - Hybrid/EV Battery Module 5 Performance. ● P0F05 - Hybrid/EV Battery Module 6 Performance. ● P0F06 - Hybrid/EV Battery Module 7 Performance. ● P0F07 - Hybrid/EV Battery Module 8 Performance. ● P0F08 - Hybrid/EV Battery Module 9 Performance. ● P0F09 - Hybrid/EV Battery Module 10 Performance. ● P0F0A - Hybrid/EV Battery Module 11 Performance. ● P0F0B - Hybrid/EV Battery Module 12 Performance. ● P0F0C - Hybrid/EV Battery Module 13 Performance. ● P0CA6-00 - Hybrid/EV Battery Charging Current High. NOTE: If the following DTCs are present/active in the BPCM, Battery Pack replacement will be required. Guided Diagnostics will prompt you for the repair action if the diagnostic is present on the vehicle. ● P0ADB-00 - Hybrid/EV Battery Positive Contractor A Control Circuit Low. ● P0AE2-00 - Hybrid/EV Battery Precharge Contactor Circuit Stuck Closed. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor \"A\" Stuck Closed. ● P0FF8-00 - Hybrid/EV Battery Precharge Contactor Circuit \"B\" Stuck Closed. Customers may also comment on one or more of the following: ● Wrench icon is illuminated on the Instrument Panel Cluster (IPC). ● Vehicle will not enter Drive Ready Mode. This bulletin also includes the following software enhancements: ● Bootloader update to prevent battery disconnect unit damage. ● Improvements in detecting pre-existing battery disconnect unit damage. ● Charging related enhancements that may lead to DTC P0CA6 falsely setting. This bulletin involves reprogramming the IDCM, BPCM, MCP A, MCP B and the EVCU with the latest available software and then, if needed, performing a Wheel End Disconnect Position Learn routine.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11020741-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11020741-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11020741","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P0AA1","P0ADB","P0AE2","P0CA6","P0DE6","P0F00","P0F01","P0F02","P0F03","P0F04","P0F05","P0F06","P0F07","P0F08","P0F09","P0F0A","P0F0B","P0F0C","P0FF8","P1CDA","P1CDE","P1DAF","U00C6"],"topics":[],"vehicles":[{"make":"JEEP","model":"WAGONEER S","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_jeep_wagoneer-s"]}],"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":[]}