MAZDA
07-001-25c
Manufacturer communications
- Publication date
- 2025-04-05
- Received by NHTSA
- 2025-05-02
- NHTSA record numbers
- 11017477
Manufacturer summary
Original wording in English
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.
• 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.
Reported code forms
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