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RecallGazette

Vehicle problems, recalls & safety intelligence

Maserati Ghibli 2004–2024technical service bulletin

Bulletin MAS004833 DS 25-26 · NHTSA communication 11021166 · issued Jul 31, 2025

Technical service bulletin
communication type
Unknown OR Other
component
2004–2024
model years
46
vehicle entries

Official 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

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.