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  1. 2014-2018 Mazda 3 Skyactiv Engine and Performance
    I currently have a problem with a code dtc p0421 on my mazda 3 2015, I found a service bulletin number: 01-010 / 16. In this bulletin he describes CHECK ENGINE LIGHT ON WITH DTC P0421, apparently with a reprogramming of the pcm it is solved. I would like to know if anyone knows about this...
  2. 2014-2018 Mazda 3 Skyactiv Audio & Electronics
    hi i have a big problem whit this DTC codes. Code: U0442 - Invalid Data Received From ECM/PCM B Status: - DTC Present at Time of Request - Malfunction Indicator Lamp is Off for this DTC Module: Transmission Control Module Code: P0472 - Exhaust Pressure Sensor Low Input Status: - DTC...
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