P0531 · نشرات الشركة المصنعة

MAZDA · 2025-04-05

Some vehicles may experience issues with the remote/timer air conditioners (pre-conditioning system) not working, or not functioning after activation. NOTE: If DTC P0531 is present, see TSB 07-001/25. This may be caused by improper control logic of the dash-

MAZDA · 2025-04-05

Some vehicles may exhibit check engine light turned on at engine startup, with DTC P0531:00 stored in memory. DTC P0531:00 [PCM] - Refrigerant pressure sensor No.1 system: Function malfunction • This is caused by improper control logic of the PCM and the dash-electrical supply unit (Dash-ESU). To eliminate this concern, the control logic of the PCM and the Dash-ESU has been modified.

MAZDA · 2025-03-25

Some vehicles may exhibit check engine light turned on at engine startup, with DTC P0531:00 stored in memory. DTC P0531:00 [PCM] - Refrigerant pressure sensor No.1 system: Function malfunction This is caused by improper control logic of the PCM and the dash-electrical supply unit (Dash-ESU). To eliminate this concern, the control logic of the PCM and the Dash-ESU has been modified.

MAZDA · 2025-01-11

[TEMPORARILY SUSPENDED] Some vehicles may exhibit check engine light turned on at engine startup, with DTC P0531:00 stored in memory. DTC P0531:00 [PCM] - Refrigerant pressure sensor No.1 system: Function malfunction This is caused by improper control logic of the PCM and the dash-electrical supply unit (Dash-ESU). To eliminate this concern, the control logic of the PCM and the Dash-ESU has been modified.

MAZDA · 2025-01-07

Some vehicles may exhibit check engine light turned on at engine startup, with DTC P0531:00 stored in memory. DTC P0531:00 [PCM] - Refrigerant pressure sensor No.1 system: Function malfunction This is caused by improper control logic of the PCM and the dash-electrical supply unit (Dash-ESU). To eliminate this concern, the control logic of the PCM and the Dash-ESU has been modified.

MAZDA · 2024-12-24

Some vehicles may exhibit check engine light turned on at engine startup, with DTC P0531:00 stored in memory. DTC P0531:00 [PCM] - Refrigerant pressure sensor No.1 system: Function malfunction. This is caused by improper control logic of the PCM and the dash-electrical supply unit (Dash-ESU). To eliminate this concern, the control logic of the PCM and the Dash-ESU has been modified.

MAZDA · 2024-08-07

Some vehicles may exhibit that, after using the cabin preconditioning, when starting the engine, the CHECK ENGINE light illuminates with DTC P0531:00 (Refrigerant pressure sensor No.1 system: Function malfunction) stored in memory. NOTE: If the cabin preconditioning was not used, this TSB is not applicable. (DTC P0531:00 concern without using the cabin preconditioning is under investigation.) This is caused by improper control logic of the PCM. To eliminate this concern, the control logic of the PCM has been modified.

MAZDA · 2024-07-24

Some customers with a PHEV CX-90 may report a warning light or a reported issue of A/C malfunction. Upon inspection, the technician will discover that the vehicle has the P0531 diagnostic trouble code set.

MAZDA · 2024-01-18

Some customers with a PHEV CX-90 may report a warning light or a reported issue of A/C malfunction. Upon inspection, the technician will discover that the vehicle has the P0531 diagnostic trouble code set.

MAZDA · 2023-12-22

Some customers with a PHEV CX-90 may report a warning light or a reported issue of A/C malfunction. Upon inspection, the technician will discover that the vehicle has the P0531 diagnostic trouble code set.