{"nhtsa_id":10218555,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-22","date":"2021-08-05","document_id":"08-129-21","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING; ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT; ELECTRICAL SYSTEM:SOFTWARE; 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 Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, the technician may notice one or more of the following DTCs have been set: P0AA1-00 - Hybrid/EV Battery Positive Contactor ?A? Stuck Closed. P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. P0B3C-00 - Hybrid/EV Battery Voltage Sense 1 Circuit Performance. P0B41-00 - Hybrid/EV Battery Voltage Sense 2 Circuit Performance. P0B46-00 - Hybrid/EV Battery Voltage Sense 3 Circuit Performance. P0B4B-00 - Hybrid/EV Battery Voltage Sense 4 Circuit Performance. P0B50-00 - Hybrid/EV Battery Voltage Sense 5 Circuit Performance. P0B55-00 - Hybrid/EV Battery Voltage Sense 6 Circuit Performance. P1A16-00 - Hybrid/EV Wakeup Control 3 Output Circuit/Open. P1D7B-00 - Hybrid/EV Wakeup Control 3 Output Circuit Short to Battery. P1D7C-00 - Hybrid/EV Wakeup Control 3 Output Circuit Short to Ground. P1A29-00 - Cell Supervisory Circuit A Failure. P1A2A-00 - Cell Supervisory Circuit B Failure. Customer may also experience one or more of the following:Premature oil change message displayed on the cluster and vehicle may be running in fuel/oil refresh mode. Scheduled charging not functioning properly because the battery pack did not wake up while plugged in.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10218555-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10218555-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10218555","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"hybrid-ev","name":"Hybrid and electric drive","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["P0AA1","P0AA4","P0B3C","P0B41","P0B46","P0B4B","P0B50","P0B55","P0C78","P1A16","P1A29","P1A2A","P1D7B","P1D7C"],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"PACIFICA","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_chrysler_pacifica"]},{"make":"CHRYSLER","model":"PACIFICA PLUG-IN HYBRID","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_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":[]}