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Siemens transmission control unit from a VW Passat B5/B5.5 (1996–2005). This module manages gear selection, shift timing, and torque converter lock-up on the automatic gearbox. OEM part numbers 01N927733FC, 01N927733, and 5WK33413 all refer to this unit. Test before installation to confirm proper operation; faulty TCUs often cause erratic shifting or limp mode.
Siemens transmission control unit from a VW Passat B5/B5.5 (1996–2005). This module manages gear selection, shift timing, and torque converter lock-up on the automatic gearbox. OEM part numbers 01N927733FC, 01N927733, and 5WK33413 all refer to this unit. Test before installation to confirm proper operation; faulty TCUs often cause erratic shifting or limp mode.
