Mazda CX-30 2018–2021 — technical service bulletin

Bulletin 01-003-24 · NHTSA communication 11000355 · issued May 24, 2024

Technical service bulletin

communication type

Engine

component

2018–2021

model years

vehicle entries

Official summary

Some vehicles may have the check engine light on with DTC P0524:00 or P055F:00 stored in memory. Contamination in the engine oil may cause the engine oil solenoid valve to become stuck, resulting in improper operation of the oil pump and improper oil pressure.

Vehicles covered

2020 Mazda CX-30
2021 Mazda CX-30
2018 Mazda CX-5
2019 Mazda CX-5
2020 Mazda CX-5
2021 Mazda CX-5
2019 Mazda MAZDA3
2020 Mazda MAZDA3
2021 Mazda MAZDA3
2018 Mazda MAZDA6
2019 Mazda MAZDA6
2020 Mazda MAZDA6
2021 Mazda MAZDA6

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.