Mazda CX-5 2019 — technical service bulletin
Bulletin SA-023-20a · NHTSA communication 10183662 · issued Nov 13, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019
model years
1
vehicle entries
Official summary
If you encounter a vehicle with a "ENGINE OIL LEVEL HIGH" message displayed in the instrument cluster, perform the following inspection:
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.