Home >> Volkswagen >> 2015 >> Beetle TDI, 2D Convertible, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 1.8L & 2.0L - Generic Scan Tool - Engine Code(S): CPKA & CPLA (Convertible) (Transmission DTC Tables) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Combination Valve, Checking >> Test Conditions