Home >> Porsche >> 2016 >> 911 Turbo, 2D Convertible >> Repair and Diagnosis >> Drivelines & Axles >> Driveshaft & Universal Joints >> 39 - Final Drive - Differential, Differential Lock -- 911 CARRERA (991) >> WM 399555 Replacing Control Unit For All-Wheel Drive (PTM) (CARRERA 4, Turbo, CARRERA 4S, Turbo S, TARGA 4, TARGA 4S, CARR. 4 CABRIO, CARR. 4S CABRIO, Turbo CABRIO, Turbo S CABRIO) >> Technical Values