9-3 XWD (9440) L4-2.0L Turbo (B207R) (2009)
Control Module: Description and Operation
TCM Control Module, AF40 (502B)
TCM Control Module, AF40 (502b)
Location
TCM is mounted on top of the gearbox.
Main use
Controlling shifting points, system pressure and engagement of lock up.
Type
Microprocessor with integrated Hall sensor.
1. Rotating magnet
2. Stator magnet
3. IC circuit, Hall sensor