P0AA1 on the 2025 Maserati Grecale
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.
Nobody has written a description of this code yet.
| MAS004433 CSN 24-01 | 2024-11-20. Other. Certain Maserati Grecale BEV (M182) MY25 listed in MODISCS+ are involved in a Customer Service Notification (CSN) concerning the BPCM (Battery Pack Control Module) software update. Due to the DTC matrix not being aligned in the previous software, the DTC P0AA1 – Contactor stuck closed related to the HV battery could be set and the error message “Service Charging System” could appear on the cluster. As a consequence, the Customer may not be able to start the vehicle. |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.