{"nhtsa_id":10251832,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-03-18","date":"2024-01-09","document_id":"0801124","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING","mfr_system":null,"summary":"Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. ? P0AA1-00 - Hybrid/EV Battery Positive Contactor ?A? Stuck Closed. Customers may also experience the following: ? The vehicle will not start. This bulletin involves updating the BPCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10251832-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10251832-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10251832","components":[{"id":"lighting","name":"Lighting","parent":null}],"codes":["P0AA1","P0AA4"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_grand-cherokee"]}],"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":[]}