{"nhtsa_id":604948,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-05-20","date":"1999-04-01","document_id":"1100","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:IGNITION:MODULE","mfr_system":null,"summary":"SUBJECT ON NEW PDU SOFTWARE - JTP 627/4 AND JTP 628/3. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/604948","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"ignition","name":"Ignition","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"JAGUAR","model":"JAGUAR","year_from":null,"year_to":null,"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":[]}