{"nhtsa_id":11027031,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-01-06","date":"2025-12-02","document_id":"No. 211-23-1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; SERVICE BRAKES","mfr_system":null,"summary":"Symptom based workshop manual for a Brake Symptom - Yellow Warning Message “PSM Failure” in the Instrument Cluster: Checking Hydraulic Unit and Re-Program PSM Control Unit","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11027031-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11027031-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11027031","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"CAYENNE E-HYBRID","year_from":2022,"year_to":2023,"match":"base","vehicle_ids":["2022_porsche_cayenne","2023_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE TURBO S E-HYBRID","year_from":2022,"year_to":2023,"match":"base","vehicle_ids":["2022_porsche_cayenne","2023_porsche_cayenne"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}