Mazda CX-5 2018–2019 — technical service bulletin
Bulletin 01-003-20-3654 · NHTSA communication 10171841 · issued Feb 13, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2019
model years
2
vehicle entries
Official summary
Some customers may experience a check engine light illumination with DTCs P24C6:00, P24AE:00, P24B1:00 and/or P24AF:00 stored in PCM memory. P24C6:00 - PM sensor: internal temperature sensor malfunction (1DC DTC) P24AE:00 - PM sensor control circuit range/performance problem (1DC DTC) P24B1:00 - PM sensor circuit high input (1DC DTC) P24AF:00 - PM sensor circuit range/performance (2DC DTC) [Particulate Matter (PM) Sensor] DTCs may be caused by the following: DTC P24C6:00: May be caused by water condensation in the exhaust system which may accumulate on the PM sensor element and result in crack
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.