{"nhtsa_id":615078,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-12-27","date":"1998-07-01","document_id":"866503","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"SOME VEHICLES MAY SET A FALSE OBD II WITH DIAGNOSTIC TROUBLE CODE P1404. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/615078","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","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":1999,"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":[]}