Some customers may complain about a shift shock and/or an engine RPM increase when setting the Mazda Radar...
Mazda technical service bulletin 15-001-20-3652 for 2019-2020 Mazda MAZDA3.
- Bulletin number
- 15-001-20-3652
- Component
- Engine and engine cooling
- Summary
- Some customers may complain about a shift shock and/or an engine RPM increase when setting the Mazda Radar Cruise Control (MRCC) system with no DTCs being stored. NOTE: This concern only occurs on vehicles equipped with a PCM manufactured by MITSUBISHI.This is caused by improper control logic of the PCM allowing the engine RPM increase for an instant right after setting the MRCC. To correct this issue, the PCM software has been modified.
Owners of these vehicles have filed 12 complaints in the engine category.
Vehicles covered
- Mazda MAZDA3 2019-2020 20192020
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