Home >> Volkswagen >> 2014 >> Beetle TDI, 2D Hatchback, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 2.0L - Generic Scan Tool - Engine Code: CJAA (Hatchback) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Modes 01 - 09 >> Diagnostic Mode 01 - Read Current System Data >> Test Requirement