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Don't replace your TCM TCU- UpFix it with our Transmission Control Module (2006-2014) Mazda 3 TCM Exchange Service Program! Send Us Your Part for Repair: Mazda 3 TCM Exchange Service Program (Transmission Control Module) Posted on 07/12/2022 | Author: Kayla Wilson Save Time [...]

Extensive Automatic Transmission and ECU Issue List GETTING STARTED Both the automatic transmission and ECU are complex components with complex functions, but due to different reasons. An automatic transmission is mechanically complex, having multiple components that interact with each other [...]