Mazda TSB #01-010-23a

2021 Mazda CX-30

TSB Document:

Affected 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. To eliminate this concern, the PCM control software has been modified.

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Date Published
OCT 03, 2023
NHTSA TSB #
10244670
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