Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures
  • DTC Index (Engines: CNSA, CNSB, CXBA, CXBB)
  • Electrical Component Locations
    • Electrical Component Locations -- Golf-GTI
    • Golf - Component Locations
  • Fluids
  • Technical Bulletins
    • Safety Recalls
    • Tech Tips
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • OEM Connector End Views
    • OEM Connector End Views -- Golf-GTI
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
    • Wiring (Service Information)
    • Wiring Diagram (Engines: CHHB, CNTA, CXCA, CXDA)
    • Wiring Diagram (Engines: CNSA, CNSB, CXBA, CXBB)
    • Wiring Diagram (Engines: CRUA - 1 Of 2)
    • Wiring Diagram (Engines: CRUA - 2 Of 2)
    • Wiring Diagram (Engines: CXBA, CXBB)
    • Wiring Diagram (Engines: CXCA, CXCB, CXDA)
• Accessories & Equipment
  • Accessories Control Systems
    • Infotainment System (Data Bus - General Information)
    • Instrument Panel And Gauges System (General Information)
    • Modular Infotainment System (MIB - General Information)
    • Networking Concept (General Information)
  • Anti-Theft Systems
    • Interior & Exterior System (Front Doors & Central Locking - Service Information)
    • Interior Lights & Switches Systems (Service Information - 1 Of 2)
    • Interior Lights & Switches Systems (Service Information - 2 Of 2)
    • Keyless Entry & Immobilizer System (General Information)
  • Body Interior
    • Body System (General Information)
  • Collision/Avoidance
    • Wheels, Tires, & Wheel Alignment (General Information)
  • Communication Devices
    • Communication System (General Information)
    • Communication System (Service Information)
    • Modular Infotainment System (MIB - General Information)
    • Networking Concept (General Information)
  • Cruise Control Systems
    • Wheels, Tires, & Wheel Alignment (General Information)
  • Drivers Assistance Systems - ADAS
    • Wheels, Tires, & Wheel Alignment (General Information)
  • Entertainment Systems
    • Aerial Systems (General Information)
    • Interior Lights & Switches Systems (Service Information - 1 Of 2)
    • Interior Lights & Switches Systems (Service Information - 2 Of 2)
  • Exterior Lights
    • Exterior Lights & Switches Systems (General Information)
    • Exterior Lights & Switches Systems (Service Information)
  • Gauges & Instrument Panels
    • Instrument Panel And Gauges System (General Information)
    • Instruments System (Service Information)
  • Horns
    • Communication System (Service Information)
  • Infotainment
    • Aerial Systems (General Information)
    • Interior Lights & Switches Systems (Service Information - 1 Of 2)
    • Interior Lights & Switches Systems (Service Information - 2 Of 2)
  • Interior/Exterior Trim
    • Exterior & Interior Body System (General Information)
    • Exterior Equipment System (Service Information)
    • Exterior System (Body Assembly - General Information)
    • Interior System (Service Information)
    • Interior System & Restraints (Safety Precautions - General Information)
    • Interior Trim System (Service Information)
  • Interior/Illumination Lights
    • Interior Lights & Switches Systems (Service Information - 1 Of 2)
    • Interior Lights & Switches Systems (Service Information - 2 Of 2)
  • Mirrors
    • Exterior Equipment System (Service Information)
    • Interior System (Service Information)
  • Seats
    • Interior System (Seats - General Information)
    • Seat System (Upholstery, Covers - Service Information)
    • Seats System (Service Information)
  • Window Motors & Regulators
    • Exterior System (Rear Doors - Service Information)
    • Glass & Window Systems (General & Service Information)
  • Wiper/Washer Systems
    • Wiper & Washer Systems (General Information)
    • Wiper & Washer Systems (Service Information)
• Body & Frame
  • Body, Cab Control Systems
    • Body System (General Information)
  • Door Locks
    • Interior & Exterior System (Front Doors & Central Locking - Service Information)
    • Interior Lights & Switches Systems (Service Information - 1 Of 2)
    • Interior Lights & Switches Systems (Service Information - 2 Of 2)
    • Keyless Entry & Immobilizer System (General Information)
  • Exterior Body Panels
    • Body Front System (Service Information)
    • Bumpers System (Service Information)
    • Exterior & Interior Body System (General Information)
    • Exterior Equipment System (Service Information)
    • Exterior System (Body Assembly - General Information)
    • Exterior System (Hood & Lids - Service Information)
    • Exterior System (Rear Doors - Service Information)
    • Interior & Exterior System (Front Doors & Central Locking - Service Information)
  • Exterior/Interior Trim
    • Exterior & Interior Body System (General Information)
    • Exterior Equipment System (Service Information)
    • Exterior System (Body Assembly - General Information)
    • Interior System (Service Information)
    • Interior System & Restraints (Safety Precautions - General Information)
    • Interior Trim System (Service Information)
  • Mirrors
    • Exterior Equipment System (Service Information)
    • Interior System (Service Information)
  • Seats
    • Interior System (Seats - General Information)
    • Seat System (Upholstery, Covers - Service Information)
    • Seats System (Service Information)
  • Sun Roof/T-Top/Convertible Top
    • Body System (General Information)
    • Sunroof System (Service Information)
  • Towing Systems
    • Exterior Equipment System (Service Information)
  • Windows
    • Exterior System (Rear Doors - Service Information)
    • Glass & Window Systems (General & Service Information)
• Brakes
  • Anti-Lock Brakes
    • Antilock Brake System (General & Service Information)
  • Brakes Control Systems
    • Brake System (General Information)
  • Mechanical - Hydraulic
    • Brake System (General & Technical Information)
    • Brake System (Service Information - Hydraulic Components)
    • Brake System (Service Information - Mechanical Components)
  • Parking Brake System
    • Brake System (General & Technical Information)
    • Brake System (Service Information - Mechanical Components)
  • Traction Control
    • Antilock Brake System (General & Service Information)
• Drivelines & Axles
  • Axle Shafts
    • Front And Rear Axles (General Information)
    • Front Suspension System (Service Information)
    • Running Gear (General Information)
  • Differentials & Drive Axles
    • Driveline System (Four-Wheel Drive Clutch - General Information)
    • Final Drive & Differential Systems (Service Information - 6-Speed Automatic - 09G)
• Electrical
  • Body Electrical
    • Electrical System (General Information - 1 Of 2)
    • Electrical System (General Information - 2 Of 2)
    • Electrical System (Precautions & General Information)
    • Infotainment System (Data Bus - General Information)
    • OEM Connector End Views
    • OEM Connector End Views -- Golf-GTI
    • Wiring (General Information)
    • Wiring (Service Information)
  • Charging Systems
    • Electrical System (Battery & Cruise Control - General Information)
    • Electrical System (Charging System, Starting System & Cruise Control System - Service Information)
    • Electrical System (Precautions & General Information)
  • Component Locations
    • Electrical Component Locations -- Golf-GTI
    • Golf - Component Locations
  • Fuses & Circuit Breakers
    • Electrical System (General Information - 1 Of 2)
    • Fuse And Relay Diagrams -- Golf-GTI
    • Wiring (General Information)
  • Gauges
    • Instrument Panel And Gauges System (General Information)
    • Instruments System (Service Information)
  • Horns
    • Communication System (Service Information)
  • Motors, Switches, Relays
    • Electrical System (General Information - 1 Of 2)
    • Electrical System (General Information - 2 Of 2)
    • Electrical System (Precautions & General Information)
    • Infotainment System (Data Bus - General Information)
    • OEM Connector End Views
    • OEM Connector End Views -- Golf-GTI
    • Wiring (General Information)
    • Wiring (Service Information)
  • Starter
    • Electrical System (Charging System, Starting System & Cruise Control System - Service Information)
  • Wiring Diagrams
    • OEM Connector End Views
    • OEM Connector End Views -- Golf-GTI
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
    • Wiring (Service Information)
    • Wiring Diagram (Engines: CHHB, CNTA, CXCA, CXDA)
    • Wiring Diagram (Engines: CNSA, CNSB, CXBA, CXBB)
    • Wiring Diagram (Engines: CRUA - 1 Of 2)
    • Wiring Diagram (Engines: CRUA - 2 Of 2)
    • Wiring Diagram (Engines: CXBA, CXBB)
    • Wiring Diagram (Engines: CXCA, CXCB, CXDA)
• Engine Mechanical
  • Auxiliary Emission Control Systems
    • Fuel System (Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
  • Blowers, Superchargers & Turbochargers
    • Turbocharger System (Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
  • Cooling Fan
    • Engine Cooling System (Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
  • Cooling System (Mechanical)
    • Engine Cooling System (Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
  • Exhaust
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 2 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 3 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 4 Of 4)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2016 My)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2017 My) - Diagnostic Procedures
    • Exhaust & Emissions Controls System (Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
  • Fuel System
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 2 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 3 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 4 Of 4)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2016 My)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2017 My) - Diagnostic Procedures
    • Fuel System (Precautions - General Information)
    • Fuel System (Precautions & General Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
    • Fuel System (Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
    • MULTIPORT Fuel Injection System (Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
  • Lubrication System
    • Fluid Capacity Tables (2016)
    • Lubrication System (Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
  • Mechanical
    • Engine Assembly (Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
    • Engine System (2.0L - General Information)
    • Engine System (Crankshaft & Cylinder Block - Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
    • Engine System (Cylinder Head & VALVETRAIN - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
    • Engine System (Precautions & General Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
    • Engine Systems (General Information)
  • Starter
    • Electrical System (Charging System, Starting System & Cruise Control System - Service Information)
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Engine Control Systems
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 2 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 3 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 4 Of 4)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2016 My)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2017 My) - Diagnostic Procedures
  • Fuel Delivery
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 2 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 3 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 4 Of 4)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2016 My)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2017 My) - Diagnostic Procedures
    • Fuel System (Precautions - General Information)
    • Fuel System (Precautions & General Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
    • Fuel System (Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
    • MULTIPORT Fuel Injection System (Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
  • Ignition System
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 2 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 3 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 4 Of 4)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2016 My)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2017 My) - Diagnostic Procedures
    • Ignition System (Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • DTC Index (Engines: CNSA, CNSB, CXBA, CXBB)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 2 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 3 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 4 Of 4)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2016 My)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2017 My) - Diagnostic Procedures
  • Testing & Diagnosis
    • DTC Index (Engines: CNSA, CNSB, CXBA, CXBB)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 2 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 3 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 4 Of 4)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2016 My)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2017 My) - Diagnostic Procedures
  • Tune-Up
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 2 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 3 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 4 Of 4)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2016 My)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2017 My) - Diagnostic Procedures
    • Ignition System (Service Information - CXBA, CNSA, CXBB, CNSB, CXCA, CXCB)
• General Information
  • Abbreviations
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
    • Glossary/Abbreviations
    • Maintenance & General Information
  • Basic Trouble Shooting
    • Basic Trouble Shooting - General Information
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
    • Engine Performance - Trouble Shooting - General Information
    • Glossary/Abbreviations
    • Maintenance & General Information
  • Brakes
    • Anti-Lock Brake Safety Precautions - General Information
    • Map - Brake Systems
    • Map - Routine Inspection Reference Guide
  • Check Lists
    • Symptom Check List Worksheet - General Information
  • Driveline/Axles
    • Drive Axle Noise Diagnosis - General Information
    • Gear Tooth Contact Patterns - General Information
    • Map - Drive Train & Transmission
    • Trouble Shooting - Clutches - General Information
  • DTC Index (Engines: CNSA, CNSB, CXBA, CXBB)
  • Electrical
    • Map - Electrical Systems
    • Using lemon2025'S System Wiring Diagrams
    • Wiring (Service Information)
  • Engine
    • Engine Overhaul Procedures - General Information
    • General Cooling System Service - General Information
  • Engine Performance
    • Electrostatic Discharge Warning - General Information
    • Engine Performance Diagnostic Routine Outline - General Information
    • Engine Performance Safety Precautions
    • Map - Engine Performance & Maintenance
    • Parasitic Load Explanation & Test Procedures - General Information
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
    • Waveforms - Injector Pattern Tutorial - General Information
  • Map - Exhaust Systems
  • Heating, Ventilation & A/C (HVAC)
    • Map - Heating, Ventilation, & Air Conditioning
  • Identification
    • CANADIAN Model Cross-Reference
    • Maintenance & General Information
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • Automatic Stop/Start Disable
    • Golf Model Specific General & Technical Information
  • Reset Procedures
    • ATEQ TPMS Reset Procedure
    • BARTEC TPMS Reset Procedure (Indirect TPM System)
    • Maintenance Reminder Light (Reset Procedures)
    • Tire Pressure Monitor Systems
  • Specifications Index
    • Common Specs & Procedures
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Traction Control Disable Procedures
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • General Servicing
    • Air Conditioning System (General & Service Information - Refrigerant R1234YF - 1 Of 3
    • Air Conditioning System (General & Service Information - Refrigerant R1234YF - 2 Of 3)
    • Air Conditioning System (General & Service Information - Refrigerant R1234YF - 3 Of 3)
    • Climate Control System (General Information - 2 Of 2)
    • Climate Control System (Precautions - General Information)
    • Climate Control System (Precautions & General Information - Refrigerant R1234YF)
    • Climate Control System (Refrigerant R134A - General Information)
  • HVAC Control Systems
    • Air Conditioning System (General & Service Information - Refrigerant R1234YF - 1 Of 3
    • Air Conditioning System (General & Service Information - Refrigerant R1234YF - 2 Of 3)
    • Air Conditioning System (General & Service Information - Refrigerant R1234YF - 3 Of 3)
    • Air Conditioning System (General Information - Refrigerant R1234YF - 1 Of 2)
    • Air Conditioning System (General Information - Refrigerant R1234YF - 2 Of 2)
    • Climate Control System (General Information - 1 Of 2)
    • Climate Control System (Service Information)
• Maintenance
  • Procedures
    • Fluid Capacity Tables (2016)
    • Maintenance & General Information
    • Maintenance Intervals
    • Maintenance Reminder Light (Reset Procedures)
  • Schedule
    • Maintenance & General Information
• Restraints
  • Air Bag, SRS
    • Restraint System (Service Information)
  • Passive Restraints
    • Occupant Protection System (General Information)
    • Restraint System (Service Information)
  • Restraints Control Systems
    • Interior System & Restraints (Safety Precautions - General Information)
    • Occupant Protection System (General Information)
    • Restraint System (Service Information)
  • Seat Belts
    • Interior System & Restraints (Safety Precautions - General Information)
    • Occupant Protection System (General Information)
    • Restraint System (Service Information)
• Steering
  • Manual Steering
    • Steering System (Service Information)
  • Power Steering
    • Steering System (Service Information)
  • Steering Column
    • Steering System (Service Information)
  • Steering Gear
    • Steering System (Service Information)
  • Steering Linkage
    • Steering System (Service Information)
• Suspension
  • Electronic Suspension
    • Steering System (General Information)
    • Suspension System (Self-Leveling Suspension - Service Information)
  • Front Suspension System (Service Information)
  • Rear Suspension System (Service Information)
  • Suspension Control Systems
    • Steering System (General Information)
    • Suspension System (Damping - General Information)
    • Suspension System (Precautions - General Information)
    • Suspension System (Running Gear - General Information)
    • Suspension System (Self-Leveling Suspension - Service Information)
  • Wheel Alignment
    • VOLKSWAGEN Wheel Alignment Specifications - Golf
    • Wheels, Tires, & Wheel Alignment (General Information)
  • Wheels & Tire System
    • Snow Chain (General Information)
    • Wheels & Tires (General Information)
    • Wheels, Tires, & Wheel Alignment (General Information)
• Transmission
  • Automatic Trans
    • Driving Mode Selection (General Information)
    • Final Drive & Differential Systems (Service Information - 6-Speed Automatic - 09G)
    • Transmission System (Controls & Housing - Service Information - 6-Speed Automatic - 09G)
    • Transmission System (Gears & Hydraulic Controls - Service Information - 6-Speed Automatic - 09G)
    • Transmission System (General Information)
    • Transmission System (Precautions - General Information - 6-Speed Automatic - 09G)
    • Transmission System (Torque Converter - Service Information - 6-Speed Automatic - 09G)
  • Manual Trans
    • Transmission System (General Information)
  • Transmission Control Systems
    • Driving Mode Selection (General Information)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 2 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 3 Of 4)
    • Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 4 Of 4)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2016 My)
    • Engine & Transmission Systems Diagnostics [CNSA, CNSB, CXBA, CXBB] - Engine DTC Tables (Engine Control Module --, 2017 My) - Diagnostic Procedures
    • Transmission System (Controls & Housing - Service Information - 6-Speed Automatic - 09G)
    • Transmission System (Gears & Hydraulic Controls - Service Information - 6-Speed Automatic - 09G)
• External Pages