{"vehicle":{"id":"1998_oldsmobile_bravada","year":1998,"make":"Oldsmobile","model":"Bravada"},"code":"P1870","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":634815,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-10-09","date":"2002-03-01","document_id":"010730023B","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","summary":"SOME CUSTOMERS MAY COMMENT ON A HARSH 1-2 UPSHIFT AND THE CHECK ENGINE LIGHT OR SERVICE ENGINE SOON INDICATOR IS ILLUMINATED AND DIAGNOSTIC TROUBLE CODE P1870 SET. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/634815"},{"nhtsa_id":627839,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-02-25","date":"2001-11-01","document_id":"010730023A","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","summary":"INFORMATION REGARDING HARSH 1-2 UPSHIFT, SERVICE ENGINE SOON, MALFUNCTION INDICATOR LAMP, OR CEL ILLUMINATED, DIAGNOSTIC TROUBLE CODE P1870 SET. (1996-2000 CHEVROLET AND GMC LIGHT DUTY TRUCK MODELS) *YH","document":null,"url":"https://open.wenmarpro.com/bulletins/627839"}],"url":"https://open.wenmarpro.com/makes/oldsmobile/bravada/1998/bulletins?code=P1870"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/oldsmobile/bravada/1998/codes/P1870","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}