Mazda CX-30 2023–2025 — technical service bulletin
Bulletin 01-003-26 · NHTSA communication 11028102 · issued Jan 31, 2026
Technical service bulletin
communication type
Engine
component
2023–2025
model years
9
vehicle entries
Official 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.
Vehicles covered
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.