{"nhtsa_id":10248015,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-01-02","date":"2023-02-10","document_id":"0804823","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN; BACK OVER PREVENTION; EXTERIOR LIGHTING","mfr_system":null,"summary":"Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates 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. ? P1C00-00 - Hybrid/EV Battery Voltage Sense 1 Out Of Range Low. ? P1C01-00 - Hybrid/EV Battery Voltage Sense 1 Out Of Range High. ? P1A9B-00 - Hybrid/EV Battery Temperature Sensor 1 Out Of Range High. ? P0BBD-00 - Hybrid Battery Pack Voltage Variation Exceeded Limit. ? P167B-00 - Controlled System Shutdown. ? U1885-00 - Battery Energy Control Module Lost Communication With HCP. ? P0EDD-00 - Hybrid/EV Battery Pack B Deterioration. ? U0111 - Lost Communication With Hybrid Battery Pack Sensor Module. ? P0CA7-00 - Hybrid/EV Battery Discharging Current High. ? P1A0C-00 - Battery Energy Control Module System Voltage Low. This bulletin involves updating the BPCM with the latest available software. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this BPCM update: ? Powertrain Control Module (PCM). ? Integrated Dual Charging Module (IDCM). ? Transmission Control Module (TCM). ? Battery Pack Control Module (BPCM). ? Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10248015-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10248015-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10248015","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"backup-camera","name":"Backup camera","parent":"driver-assistance"}],"codes":["P0607","P0AA4","P0B3E","P0BBD","P0CA7","P0EDD","P167B","P1A0C","P1A21","P1A9B","P1C00","P1C01","P1E1B"],"topics":[],"vehicles":[{"make":"JEEP","model":"WRANGLER","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_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":[]}