Check engine light ON with DTC P20F8:00 stored
Mazda technical service bulletin 01-003-26 for 2023-2025 Mazda MAZDA3, 2024-2025 Mazda CX-5 and 2024-2025 Mazda CX-30 and others.
- Bulletin number
- 01-003-26
- Component
- Engine
- Summary
- Some vehicles may exhibit a check engine light ON with DTC P20F8:00 stored. P20F8:00 - Swirl control circuit range/performance problem. • The DTC is caused by overheating of the Swirl Control Valve (SCV) motor which leads to duty limitation, causing poor openingangle response and resulting in stuck judgment. To eliminate this concern, the PCM control software has been modified.
Owners of these vehicles have filed 24 complaints in the engine category.
Vehicles covered
- Mazda MAZDA3 2023-2025 202320242025
- Mazda CX-5 2024-2025 20242025
- Mazda CX-30 2024-2025 20242025
- Mazda CX-50 2024-2025 20242025
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