{"nhtsa_id":603825,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-03-08","date":"1998-09-01","document_id":"866503A","mfr_campaign":null,"replaces":"86-65-03","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"SUBJECT REGARDING OBD II DIAGNOSTIC TROUBLE CODE (DTC) P1404 (REFLASH VCM). *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/603825","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P1404"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"C SERIES","year_from":1998,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"G SERIES","year_from":1998,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"K SERIES","year_from":1998,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"L SERIES","year_from":1998,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"M SERIES","year_from":1998,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"P SERIES","year_from":1998,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"S SERIES","year_from":1998,"year_to":1998,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"T SERIES","year_from":1998,"year_to":1999,"match":"exact","vehicle_ids":["1998_chevrolet_t-series","1999_chevrolet_t-series"]},{"make":"FORD","model":"L SERIES","year_from":1999,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C SERIES","year_from":1998,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"G SERIES","year_from":1998,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"K SERIES","year_from":1998,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"L SERIES","year_from":1998,"year_to":1998,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"M SERIES","year_from":1998,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"P SERIES","year_from":1998,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"S SERIES","year_from":1998,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"T SERIES","year_from":1998,"year_to":1999,"match":"exact","vehicle_ids":["1998_gmc_t-series","1999_gmc_t-series"]},{"make":"OLDSMOBILE","model":"BRAVADA","year_from":1998,"year_to":1998,"match":"exact","vehicle_ids":["1998_oldsmobile_bravada"]}],"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":[]}