{"nhtsa_id":11022997,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-09-09","date":"2025-08-28","document_id":"No. 173-21","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Technical information for a warning message \"coolant temperature too high\" checking coolant pump and change over valve","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022997-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022997-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11022997","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"CAYENNE","year_from":2018,"year_to":2023,"match":"exact","vehicle_ids":["2018_porsche_cayenne","2019_porsche_cayenne","2020_porsche_cayenne","2021_porsche_cayenne","2022_porsche_cayenne","2023_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE E-HYBRID","year_from":2019,"year_to":2023,"match":"base","vehicle_ids":["2019_porsche_cayenne","2020_porsche_cayenne","2021_porsche_cayenne","2022_porsche_cayenne","2023_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE GT","year_from":2020,"year_to":2022,"match":"base","vehicle_ids":["2020_porsche_cayenne","2021_porsche_cayenne","2022_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE GTS","year_from":2021,"year_to":2023,"match":"base","vehicle_ids":["2021_porsche_cayenne","2022_porsche_cayenne","2023_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE S","year_from":2018,"year_to":2023,"match":"base","vehicle_ids":["2018_porsche_cayenne","2019_porsche_cayenne","2020_porsche_cayenne","2021_porsche_cayenne","2022_porsche_cayenne","2023_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE S E-HYBRID","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE S E-HYBRID","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE TURBO","year_from":2018,"year_to":2020,"match":"base","vehicle_ids":["2018_porsche_cayenne","2019_porsche_cayenne","2020_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE TURBO","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE TURBO COUPE","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE TURBO GT","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":2019,"year_to":2023,"match":"base","vehicle_ids":["2019_porsche_cayenne","2020_porsche_cayenne","2021_porsche_cayenne","2022_porsche_cayenne","2023_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE TURBO S HYB COUPE","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_porsche_cayenne"]},{"make":"PORSCHE","model":"MACAN GTS","year_from":2018,"year_to":2023,"match":"base","vehicle_ids":["2018_porsche_macan","2019_porsche_macan","2020_porsche_macan","2021_porsche_macan","2022_porsche_macan","2023_porsche_macan"]},{"make":"PORSCHE","model":"MACAN S","year_from":2018,"year_to":2023,"match":"base","vehicle_ids":["2018_porsche_macan","2019_porsche_macan","2020_porsche_macan","2021_porsche_macan","2022_porsche_macan","2023_porsche_macan"]},{"make":"PORSCHE","model":"MACAN TURBO","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_porsche_macan"]},{"make":"PORSCHE","model":"MACAN TURBO","year_from":2020,"year_to":2023,"match":"base","vehicle_ids":["2020_porsche_macan","2021_porsche_macan","2022_porsche_macan","2023_porsche_macan"]},{"make":"PORSCHE","model":"redundant CAYENNE E-HYBRID","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]}],"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":[]}