{"vehicle":{"id":"2020_mack_anthem","year":2020,"make":"Mack","model":"Anthem"},"code":"P1121","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10162587,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-07-15","date":"2019-06-13","document_id":"K86900043","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"Exhaust Gas Recirculation (EGR) System - Fault Codes SPN 412 FMI 0,2,5; Diagnostic Trouble Codes (DTC) P040A, P040B, P1121 - Temperature Sensor Inspection","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10162587-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10162587-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10162587"},{"nhtsa_id":10160169,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-05-20","date":"2019-04-17","document_id":"K52535491","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)","summary":"Diagnostic / Troubleshooting Procedures For EGR System Components; Diagnostic Trouble Codes (DTC) P0401-00, P0402-00, P04DD-00, P1121-00, P1121-98 Or SPN 2659 FMI 16, SPN 2659 FMI 18, SPN 412 FMI 0, SPN 412 FMI 15 - US10, US10+OBD13, US14+OBD*, US17+OBD* With A Variable Geometry Turbocharger (VGT)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10160169-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10160169-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10160169"}],"url":"https://open.wenmarpro.com/makes/mack/anthem/2020/bulletins?code=P1121"},"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/mack/anthem/2020/codes/P1121","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."]}