Some vehicles may have the check engine light on with DTC P0524:00 or P055F:00 stored in memory
Mazda technical service bulletin 01-004-21-3773a for 2019-2021 Mazda MAZDA3, 2018-2021 Mazda CX-5 and 2018-2021 Mazda MAZDA6 and others.
- Bulletin number
- 01-004-21-3773a
- Component
- Engine and engine cooling
- 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. DTC P0524:00 (Engine oil pressure too low), DTC P055F:00 (Engine oil pressure malfunction). The control software of the PCM has been modified to eliminate this concern. In addition, the production process has been modified to reduce contamination in the engine oil solenoid valve, oil pump, spacer and oil filter.
Owners of these vehicles have filed 557 complaints in the engine category.
Vehicles covered
- Mazda MAZDA3 2019-2021 201920202021
- Mazda CX-5 2018-2021 2018201920202021
- Mazda MAZDA6 2018-2021 2018201920202021
- Mazda CX-30 2020-2021 20202021
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