{"nhtsa_id":10005697,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-03-11","date":"2004-01-08","document_id":"0004230","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"SOME VEHICLES MAY STORE DIAGNOSTIC TROUBLE CODE (DTC) P1231 IN POWERTRAIN CONTROL MODULE (PCM) MEMORY. DTC P1231 NOT IN WORKSHOP MANUAL. MODEL FE 2004. MAKE UNKNOWN. REPAIR INFORMATION REVIEW1. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10005697","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P1231"],"topics":[],"vehicles":[{"make":"UNKNOWN","model":"UNKNOWN1","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":[]}