{"nhtsa_id":11021166,"type":"other","type_name":"Other","date_added":"2025-08-01","date":"2025-07-31","document_id":"MAS004833 DS 25-26","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"This bulletin provides a corrective procedure for addressing false knock sensor DTCs caused by moisture accumulation. The procedure involves performing a controlled warm-up cycle to burn off the moisture from the sensor area, helping to resolve DTCs such as P0327, P0332, P032C, and P033C without unnecessary sensor replacement. Models Involved: (M156) Quattroporte, (M157) Ghibli, (M161) Levante (V6 & V8 engines) ALL MY","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021166-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021166-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11021166","components":[],"codes":["P0327","P032C","P0332","P033C"],"topics":[],"vehicles":[{"make":"MASERATI","model":"GHIBLI","year_from":2014,"year_to":2024,"match":"exact","vehicle_ids":["2014_maserati_ghibli","2015_maserati_ghibli","2016_maserati_ghibli","2017_maserati_ghibli","2018_maserati_ghibli","2019_maserati_ghibli","2020_maserati_ghibli","2021_maserati_ghibli","2022_maserati_ghibli","2023_maserati_ghibli","2024_maserati_ghibli"]},{"make":"MASERATI","model":"LEVANTE","year_from":2014,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"MASERATI","model":"LEVANTE","year_from":2017,"year_to":2024,"match":"exact","vehicle_ids":["2017_maserati_levante","2018_maserati_levante","2019_maserati_levante","2020_maserati_levante","2021_maserati_levante","2022_maserati_levante","2023_maserati_levante","2024_maserati_levante"]},{"make":"MASERATI","model":"LEVANTE S","year_from":2017,"year_to":2017,"match":"base","vehicle_ids":["2017_maserati_levante"]},{"make":"MASERATI","model":"QUATTROPORTE","year_from":2004,"year_to":2004,"match":null,"vehicle_ids":[]},{"make":"MASERATI","model":"QUATTROPORTE","year_from":2005,"year_to":2024,"match":"exact","vehicle_ids":["2005_maserati_quattroporte","2006_maserati_quattroporte","2007_maserati_quattroporte","2008_maserati_quattroporte","2009_maserati_quattroporte","2010_maserati_quattroporte","2011_maserati_quattroporte","2012_maserati_quattroporte","2013_maserati_quattroporte","2014_maserati_quattroporte","2015_maserati_quattroporte","2016_maserati_quattroporte","2017_maserati_quattroporte","2018_maserati_quattroporte","2019_maserati_quattroporte","2020_maserati_quattroporte","2021_maserati_quattroporte","2022_maserati_quattroporte","2023_maserati_quattroporte","2024_maserati_quattroporte"]},{"make":"MASERATI","model":"QUATTROPORTE GTS","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_maserati_quattroporte"]},{"make":"MASERATI","model":"QUATTROPORTES","year_from":2005,"year_to":2005,"match":"base","vehicle_ids":["2005_maserati_quattroporte"]}],"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":[]}