{"nhtsa_id":10234484,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-04-17","date":"2023-02-10","document_id":"0805023","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN; 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. 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-10234484-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10234484-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10234484","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"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":[]}