Mazda CX-3 2018–2019 — technical service bulletin
Bulletin 01-008-21-3787 · NHTSA communication 10190952 · issued Apr 2, 2021
Technical service bulletin
communication type
Power Train
component
2018–2019
model years
6
vehicle entries
Official summary
Some vehicles may experience a lack of power and the check engine light on with DTC P061B:00 stored in PCM memory under one of the following conditions (A or B). DTC P061B:00 - [PCM] Internal control module torque calculation performance problem. Due to an improper control logic of the PCM, the engine torque calculation error detection is too sensitive. To eliminate this concern, the PCM software has been modified.
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.