{"vehicle":{"id":"2020_buick_encore-gx","year":2020,"make":"Buick","model":"Encore GX"},"code":"P0521","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":5,"bulletins":[{"nhtsa_id":10251615,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-03-14","date":"2024-03-14","document_id":"A222379711","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL","summary":"Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles. The Engine Control Module (ECM) may not clear the permanent status of DTC P0521 (Engine Oil Pressure Sensor Performance). If the ECM had previously set a DTC P0521 and the permanent status is not properly cleared, the vehicle may not pass certain Emissions Inspection/Maintenance (I/M) tests. Dealers are to reprogram the ECM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10251615-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10251615-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10251615"},{"nhtsa_id":10227772,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-12-13","date":"2022-12-13","document_id":"A222379710","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"Service Update. In certain vehicles, if the Engine Control Module (ECM) sets the DTC P0521 (Engine Oil Pressure Sensor Performance), the ECM cannot clear the permanent status of this DTC. If the ECM had previously set a DTC P0521 and the permanent status is not properly cleared, the vehicle may not pass certain Emissions Inspection/Maintenance (I/M) tests. Dealers are to reprogram the ECM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10227772-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10227772-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10227772"},{"nhtsa_id":10206744,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-01-24","date":"2021-12-22","document_id":"PIP5826B","mfr_campaign":null,"component":"ENGINE; ELECTRICAL SYSTEM:WIRING","summary":"This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10206744-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10206744-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10206744"},{"nhtsa_id":10204447,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-12-13","date":"2021-11-09","document_id":"PIP5826A","mfr_campaign":null,"component":"ENGINE; ELECTRICAL SYSTEM","summary":"This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10204447-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10204447-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10204447"},{"nhtsa_id":10204444,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-12-13","date":"2021-11-08","document_id":"PIP5826","mfr_campaign":null,"component":"ENGINE; ELECTRICAL SYSTEM","summary":"This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10204444-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10204444-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10204444"}],"url":"https://open.wenmarpro.com/makes/buick/encore-gx/2020/bulletins?code=P0521"},"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/buick/encore-gx/2020/codes/P0521","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."]}