TSB: Mazda Shift Shock

This bulletin addresses a shift shock issue in 2018-2025 Mazda CX-5 vehicles caused by improper TCM logic during cold engine starts. Reprogramming the TCM with IDS or MDARS resolves the problem.

Mazda Shift Shock

This bulletin applies to 2018-2025 Mazda CX-5 vehicles built before August 27, 2024. Note” this bulletin does not apply to turbo-equipped vehicles or equipped with a variable compressor.

Some customers may complain about a shift shock when shifting from 2nd to 3rd when the engine is cold. This is caused by improper TCM logic. To eliminate the concern the TCM control logic has been modified. Reprogram the TCM with IDS or MDARS.

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