{"vehicle":{"id":"2014_gmc_yukon","year":2014,"make":"GMC","model":"Yukon"},"code":"P0340","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":4,"bulletins":[{"nhtsa_id":10168958,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-12-09","date":"2019-11-07","document_id":"PIP5335D","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168958-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168958-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10168958"},{"nhtsa_id":10162143,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-07-08","date":"2019-06-19","document_id":"PIP5335C","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10162143-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10162143-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10162143"},{"nhtsa_id":10143439,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-08-06","date":"2018-06-12","document_id":"PIP5335B","mfr_campaign":null,"component":"ELECTRICAL SYSTEM:WIRING","summary":"This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143439-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143439-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10143439"},{"nhtsa_id":10137731,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-05-21","date":"2017-08-21","document_id":"PIP5335A","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE","summary":"This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10137731-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10137731-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10137731"}],"url":"https://open.wenmarpro.com/makes/gmc/yukon/2014/bulletins?code=P0340"},"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/yukon/2014/codes/P0340","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."]}