{"vehicle":{"id":"1989_gmc_sierra","year":1989,"make":"GMC","model":"Sierra"},"code":"B1370","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":10162150,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-07-08","date":"2019-06-24","document_id":"PIT5586C","mfr_campaign":null,"component":"EQUIPMENT:ELECTRICAL","summary":"This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering Wheel Controls (SWC) not illuminated, Turn Signal no audible feedback, HVAC controls inoperative. During diagnostics a technician may find any of the following DTC's: B1011, B1370, B3980, U0020, U0029, U007D, U0073, U0078, U0100, U0101, U0102, U0104, U0140, U0151, U0155, U0164, U0184, U0186, U0198, U0422. Dealer is instructed to check Serial Data Gateway Module X2 connector for terminal concerns and repair as needed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10162150-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10162150-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10162150"}],"url":"https://open.wenmarpro.com/makes/gmc/sierra/1989/bulletins?code=B1370"},"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/gmc/sierra/1989/codes/B1370","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."]}