Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2017GTI SPORT, AUTOMATIC DCT TRANSREPAIR AND DIAGNOSISTRANSMISSIONTRANSMISSION CONTROL SYSTEMSENGINE & TRANSMISSION SYSTEMS (DIAGNOSTICS - CXCA, CXCB) [TRANSMISSION DTC TABLES & DIAGNOSTIC PROCEDURES]
2017 Volkswagen GTI Sport, Automatic DCT Trans
Engine & Transmission Systems (Diagnostics - CXCA, CXCB) [Transmission DTC Tables & Diagnostic Procedures]
2017 Volkswagen GTI Sport, Automatic DCT TransSECTION Engine & Transmission Systems (Diagnostics - CXCA, CXCB) [Transmission DTC Tables & Diagnostic Procedures]
- St Generic Scan Tool
- Diagnosis And Testing
- Notes
- Transmission DTC Tables
- Diagnostic Procedures
- Notes
- Accelerator Pedal Module - GX2-, CHECKING
- Camshaft Adjustment Valve 1 - N205-, CHECKING
- Camshaft Position Sensor - G40-, CHECKING
- Camshaft Position Sensor 3 - G300-, CHECKING
- Can-Bus Terminal Resistance, Checking
- Can-Bus Terminal Resistance, Powertrain, Checking
- Charge Air Pressure Actuator - V465- / Charge Air Pressure Actuator Position Sensor - G581-, CHECKING
- Charge Air Pressure Sensor - G31-, CHECKING
- Engine Component Power Supply Relay - J757-, CHECKING
- Engine Coolant Temperature Sensor - G62-, CHECKING
- Engine Coolant Temperature Sensor On Radiator Outlet - G83-, CHECKING
- Engine Speed Sensor - G28-, CHECKING
- Engine Temperature Control Actuator - N493-, CHECKING
- EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING
- Exhaust Cam Actuators --, CHECKING
- Exhaust Camshaft Adjustment Valve 1 - N318-, CHECKING
- Fuel Delivery Unit - GX1- / Fuel Pump Control Module - J538-, CHECKING
- Fuel Injectors --, CHECKING
- Fuel Pressure Regulator Valve - N276-, CHECKING
- Fuel Pressure Sensor - G247-, CHECKING
- Fuel Tank Leak Detection Control Module - J909- / Fuel Tank Pressure Sensor - G400-, CHECKING
- Ignition Coils with Power Output Stage --, CHECKING
- Intake Manifold Runner Control Valve - N316-, CHECKING
- Intake Manifold Runner Position Sensor - G336-, CHECKING
- Intake Manifold Sensor - GX9-, CHECKING
- Knock Sensor 1 - G61-, CHECKING
- Motronic Engine Control Module Power Supply Relay - J271-, CHECKING
- Outside Air Temperature Sensor - G17-, CHECKING
- Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING
- Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING
- Secondary Air Injection Pump Relay - J299- / Secondary Air Injection Pump Motor - V101-, CHECKING
- Secondary Air Injection Sensor 1 - G609-, CHECKING
- Secondary Air Injection Solenoid Valve - N112-, CHECKING
- Diagnosis And Testing
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.