{"nhtsa_id":10224726,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-24","date":"2017-08-05","document_id":"0804317","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Battery Pack Control Module (BPCM) Diagnostic and System Improvements This bulletin involves reprogramming the BPCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0AA1-00 - Hybrid Battery Positive Contactor Circuit Stuck Closed (After the vehicle is turned off, it may fail to restart). P0AA6-00 - Hybrid Battery Voltage System Isolation Fault. P1E1B-00 - Hybrid-Ev Battery Side Voltage System Isolation.Under a vehicle side isolation failure which generates P0AA6, the BPCM may falsely set P1E1B (HV battery isolation failure) on key off which results in a no start condition. U11C5-00 - BPCM Lost Communication With On Board Charging Module. P1A9B-00 - Hybrid - EV Battery Temperature Sensor 1 Out Of Range High. P1AA7-00 - Hybrid - EV Battery Temperature Sensor 4 Out Of Range High.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10224726-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10224726-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10224726","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P0AA1","P0AA6","P1A9B","P1AA7","P1E1B","U11C5"],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"PACIFICA","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_chrysler_pacifica"]},{"make":"CHRYSLER","model":"PACIFICA PLUG-IN HYBRID","year_from":2017,"year_to":2017,"match":"base","vehicle_ids":["2017_chrysler_pacifica"]}],"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":[]}