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September 30, 2020 Service bulletin

Check engine light on with DTCs P2096:00, P2097:00 and/or P0524:00 that cannot be cleared by itself, and...

Mazda technical service bulletin 01-012-20-3738 for 2019-2020 Mazda MAZDA3, 2018-2019 Mazda CX-5 and 2018 Mazda MAZDA6 and others.

Bulletin number
01-012-20-3738
Component
Engine and engine cooling
Summary
Some vehicles may experience the check engine light on with DTCs P2096:00, P2097:00 and/or P0524:00 that cannot be cleared by itself, and the check engine light stays on even if the detection condition has gone. P2096:00 - Air fuel too lean  P2097:00 - Air fuel too rich  P0524:00 - Engine oil pressure too low. This concern may be caused by improper PCM control logic. The PCM software has been modified to eliminate this concern.

Owners of these vehicles have filed 368 complaints in the engine category.

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