Mazda CX-30 2021–2022 — technical service bulletin
Bulletin 01-011-22 · NHTSA communication 10225771 · issued Oct 3, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2022
model years
7
vehicle entries
Official summary
Some vehicles may have a "OW ENGINE OIL LEVEL" warning message and a CHECK ENGINE light illuminated in the instrument cluster with DTC P250F:00 stored in memory, and the oil level has actually decreased to near low. * DTC P250F:00 - Engine oil level signal: engine oil level low This is caused by an oil consumption increase due to damage of the valve seals on the exhaust side. To eliminate this concern, the design of these valve seals 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.