Some customers may complain about engine surging 100-200 rpm when accelerating up a hill at altitudes...
Mazda technical service bulletin 01-010-23 for 2021-2023 Mazda MAZDA3 and 2020-2023 Mazda CX-30.
- Bulletin number
- 01-010-23
- Component
- Power train: automatic transmission: control module (TCM/PCM/tecm)
- Summary
- Some customers may complain about engine surging 100-200 rpm when accelerating up a hill at altitudes around 6,700 feet or higher. This concern may be caused by improper PCM control software in particular situations.
Owners of these vehicles have filed 26 complaints in the transmission category.
Vehicles covered
- Mazda MAZDA3 2021-2023 202120222023
- Mazda CX-30 2020-2023 2020202120222023
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