Home >> Volkswagen >> 2015 >> Passat S, 1.8L Eng VIN T, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 1.8L - Generic Scan Tool - Engine Code: CPRA (1 Of 2) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Modes 01 - 09 >> Diagnostic Mode 08 - Request Control Of On-Board System, Test Or Component >> Test Requirements