Mazda CX-3 2018–2020 — technical service bulletin
Bulletin 01-012-20-3738 · NHTSA communication 10180595 · issued Sep 30, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2020
model years
7
vehicle entries
Official 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.ï · P2096:00 - Air fuel too lean ï · P2097:00 - Air fuel too rich ï · 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.
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.