{"nhtsa_id":11012175,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-01-02","date":"2024-12-19","document_id":"S4312 202412","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Certain Volvo VN (4) model trucks may experience accelerated battery drain due to continuous power consumption by the Vehicle Master Control Unit (VMCU) and other modules. Depleted batteries can lead to starting issues and trigger erroneous warning lamps and fault codes across various truck modules.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11012175-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11012175-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11012175","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"VOLVO","model":"VNL (4)","year_from":2025,"year_to":2025,"match":null,"vehicle_ids":[]}],"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":[]}