{"nhtsa_id":11033745,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-06-08","date":"2026-05-22","document_id":"37373.7.0","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"This is a Technical Journal: DIM Message and DTC BECM P0C7800.
 If the DIM displays a message stating \"Drive System Service Required\" and the DTC listed below is set, follow the advice under \"Service\".
 •Do not replace any parts. This is not hardware-related.
 •A new Battery Energy Control Module software is released in software version 5.1.9. Perform a Total Upgrade according to TJ 31543 and release the car back to the customer.
","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033745-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033745-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033745","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P0C78"],"topics":[],"vehicles":[{"make":"VOLVO","model":"S60PHEV","year_from":2022,"year_to":2025,"match":"base","vehicle_ids":["2022_volvo_s60","2023_volvo_s60","2024_volvo_s60","2025_volvo_s60"]},{"make":"VOLVO","model":"S90MHEV","year_from":2022,"year_to":2026,"match":"base","vehicle_ids":["2022_volvo_s90","2023_volvo_s90","2024_volvo_s90","2025_volvo_s90","2026_volvo_s90"]},{"make":"VOLVO","model":"S90PHEV","year_from":2022,"year_to":2026,"match":"base","vehicle_ids":["2022_volvo_s90","2023_volvo_s90","2024_volvo_s90","2025_volvo_s90","2026_volvo_s90"]},{"make":"VOLVO","model":"V60PHEV","year_from":2022,"year_to":2025,"match":"base","vehicle_ids":["2022_volvo_v60","2023_volvo_v60","2024_volvo_v60","2025_volvo_v60"]},{"make":"VOLVO","model":"XC60PHEV","year_from":2022,"year_to":2026,"match":"base","vehicle_ids":["2022_volvo_xc60","2023_volvo_xc60","2024_volvo_xc60","2025_volvo_xc60","2026_volvo_xc60"]},{"make":"VOLVO","model":"XC90PHEV","year_from":2022,"year_to":2026,"match":"base","vehicle_ids":["2022_volvo_xc90","2023_volvo_xc90","2024_volvo_xc90","2025_volvo_xc90","2026_volvo_xc90"]}],"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":[]}