{"vehicle":{"id":"2020_porsche_cayenne","year":2020,"make":"Porsche","model":"Cayenne"},"code":"P26B1","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":8,"bulletins":[{"nhtsa_id":11021641,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-08-06","date":"2025-07-22","document_id":"No. 196-22","mfr_campaign":null,"component":"ENGINE","summary":"Technical information for Check Engine Warning Light Active / Fault Memory Entry \"P26B100/00CB24\" in the Thermal Management Control Unit (TME): Re-Programming Control Unit","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021641-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021641-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11021641"},{"nhtsa_id":11002848,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-07-02","date":"2024-06-13","document_id":"No. 2221.4","mfr_campaign":null,"component":"ENGINE","summary":"Instructions on advanced technical information for the Cayenne E-Hybrid - thermal management fault (P26B100) causes a check engine light","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11002848-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11002848-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11002848"},{"nhtsa_id":10246407,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-12-08","date":"2023-11-15","document_id":"No. 2221.3","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Instructions on advanced technical information for the Cayenne E-Hybrid - thermal management fault (P26B100)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10246407-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10246407-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10246407"},{"nhtsa_id":10235503,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-05-03","date":"2023-04-27","document_id":"No. 2221.2","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"Instructions on advanced tehcnical information for the Cayenne E-Hybrid - thermal management fault (P26B100) causes a check engine light","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10235503-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10235503-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10235503"},{"nhtsa_id":10233926,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-04-06","date":"2023-03-16","document_id":"No. 2221.1","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"Advanced technical information for the Cayenne E-Hybrid - thermal management fault P26B100 Causes Check Engine Light","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10233926-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10233926-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10233926"},{"nhtsa_id":10232449,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-03-04","date":"2023-02-28","document_id":"No. 193-22","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM","summary":"Technical information - Check Engine Warning Light Active / Fault Memory Entry \"P26B100/00CB24\" in the Thermal Management Control Unit (TME):","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10232449-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10232449-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10232449"},{"nhtsa_id":10222541,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-05","date":"2022-09-23","document_id":"No. 193-22","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM","summary":"Technical information for check engine warning light active/fault memory entry (P26B100/00CB24) in the TME","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10222541-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10222541-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10222541"},{"nhtsa_id":10219342,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-07","date":"2022-08-03","document_id":"No. 2221","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT","summary":"Instructions on advanced technical information for the Cayenne E-Hybrid thermal management fault. Fault P26B100","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10219342-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10219342-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10219342"}],"url":"https://open.wenmarpro.com/makes/porsche/cayenne/2020/bulletins?code=P26B1"},"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/porsche/cayenne/2020/codes/P26B1","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."]}