Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures
  • DTC Index
    • DTC Index (Thru P0502)
    • DTC Index (Thru U0093)
  • Electrical Component Locations
    • Sq7 - Component Locations
  • Fluids
  • Technical Bulletins
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • OEM Wiring Diagrams 12 V Sockets
    • OEM Wiring Diagrams 4.0L Gasoline Engine , DCUE,DWRB
    • OEM Wiring Diagrams 48 V System , (VH2),(VH3)
    • OEM Wiring Diagrams A/C System , (9AD)
    • OEM Wiring Diagrams A/C System , (9AE)
    • OEM Wiring Diagrams A/C System , (9AQ)
    • OEM Wiring Diagrams A/C System , (9AU)
    • OEM Wiring Diagrams A/C System , (KH5)
    • OEM Wiring Diagrams Access And Start Authorization , (2F0)
    • OEM Wiring Diagrams Access And Start Authorization , (2F1)
    • OEM Wiring Diagrams Adaptive Cruise Control , (8T3),(8T8)
    • OEM Wiring Diagrams Adaptive Cruise Control , (8T4),(8T5)
    • OEM Wiring Diagrams Airbag Systems (USA) , (4UB)
    • OEM Wiring Diagrams All-Wheel Drive , (GH2)
    • OEM Wiring Diagrams Anti-Theft Alarm System
    • OEM Wiring Diagrams Assistance Systems , (JX1)
    • OEM Wiring Diagrams Automatic Dimming Interior Rearview Mirror
    • OEM Wiring Diagrams Automatic Transmission , (Fm0)
    • OEM Wiring Diagrams Automatic Transmission , (FN0)
    • OEM Wiring Diagrams Brake System
    • OEM Wiring Diagrams Cd Changer , (7D5)
    • OEM Wiring Diagrams Cell Phone System , (9ZE),(9ZV),(9ZX)
    • OEM Wiring Diagrams Center Console Switch
    • OEM WIRING DIAGRAMS COMMUNICATION , (0K3),(B1P) From 2020
    • OEM Wiring Diagrams Communication , (IV1),(IV2),(IV3),(IV4),(IV5),(IV6),(IV7),(IV8),(IV9),(JE0),(JE1),(JE3),(JE4)
    • OEM Wiring Diagrams Convenience System
    • OEM Wiring Diagrams Driver Assistance Systems Front Camera , (QK1)
    • OEM Wiring Diagrams Driver Door Control Modules
    • OEM Wiring Diagrams Dynamic Sway Stabilization , (1P7)
    • OEM Wiring Diagrams Emergency Call Module , (IV0)
    • OEM Wiring Diagrams Emergency Call Module , (IV1),(IV2),(IV4),(IV5),(IV6),(IV7),(IV8)
    • OEM Wiring Diagrams Engine Sound Generator , (Gm4)
    • OEM Wiring Diagrams Front Passenger Door Control Modules
    • OEM Wiring Diagrams Fuse Assignment, Luggage Compartment
    • OEM Wiring Diagrams Fuse Positions
    • OEM Wiring Diagrams Garage Door Opener , (VC1),(VC2)
    • OEM Wiring Diagrams Headlamp , (8EX)
    • OEM Wiring Diagrams Headlamp , (8IY)
    • OEM Wiring Diagrams Headlamp , (8IZ)
    • OEM WIRING DIAGRAMS HIGH-VOLTAGE BATTERY SYSTEM , (0K3) From 2020
    • OEM Wiring Diagrams High-Voltage System , (0K3)
    • OEM Wiring Diagrams Horn, Dual Tone
    • OEM Wiring Diagrams Infotainment Most Bus
    • OEM Wiring Diagrams Instrument Cluster , (9S7),(9S8),(9S9)
    • OEM Wiring Diagrams Interior Lighting , (QQ0),(QQ1)
    • OEM Wiring Diagrams Interior Lighting , (QQ2)
    • OEM Wiring Diagrams Lane Change Assistance , (7Y1)
    • OEM Wiring Diagrams Level Control System , (1BK),(2MA),(2MB)
    • OEM Wiring Diagrams Lid Release - Rear
    • OEM Wiring Diagrams Light Switch
    • OEM Wiring Diagrams MMI (Information Electronics 1)
    • OEM Wiring Diagrams Network Data Bus
    • OEM Wiring Diagrams Network Data Bus (FLEXRAY Bus)
    • OEM Wiring Diagrams Night Vision System , (9R1)
    • OEM Wiring Diagrams Parking Distance Control , (7X1),(7X2)
    • OEM Wiring Diagrams Parking Distance Control , (7X5), (9X9)
    • OEM Wiring Diagrams Parking Distance Control , (KA6)
    • OEM Wiring Diagrams Peripheral Camera , (KA6)
    • OEM Wiring Diagrams Power Rear Lid
    • OEM Wiring Diagrams Power Steering, Electromechanical
    • OEM Wiring Diagrams Rain/Light Recognition Sensor
    • OEM Wiring Diagrams Rear Axle Steering, Electromechanical , (0N5)
    • OEM Wiring Diagrams Rear Window Defogger
    • OEM Wiring Diagrams Rearview Camera (Rear Assist) , (KA2)
    • OEM Wiring Diagrams Seat Entertainment, Rear , (9WQ)
    • OEM Wiring Diagrams Seat Heating, Front , (4A3),(4A4)
    • OEM Wiring Diagrams Seat Ventilation , (L0L),(4D3),(4D8)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4),(Q1A)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (3L5),(Q1A)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (3PN),(Q1A)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (Q1D)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (Q2J),(Q4Q)
    • OEM Wiring Diagrams Seats, Heated Rear , (4A4)
    • OEM Wiring Diagrams Sound System , (8RF)
    • OEM Wiring Diagrams Sound System , (9VD)
    • OEM Wiring Diagrams Sound System , (9VS) (From 06/20)
    • OEM Wiring Diagrams Sound System , (9VS) (Up To 06/20)
    • OEM Wiring Diagrams Steering Column Adjustment , (2C7)
    • OEM Wiring Diagrams Steering Wheel
    • OEM Wiring Diagrams Sunroof, Open Sky System
    • OEM Wiring Diagrams Tail Lamps , (8VM),(Av2)
    • OEM Wiring Diagrams Tail Lamps , (8VP),(Av2)
    • OEM Wiring Diagrams Third Row Rear Seat , (5KL)
    • OEM Wiring Diagrams Tire Pressure Monitoring , (7K3),(7K4)
    • OEM Wiring Diagrams Trailer Mode, Only For Us Equipment , (5C1),(B39)
    • OEM Wiring Diagrams TV Tuner , (Q0A),(Q0B),(QU1),(QV1)
    • OEM Wiring Diagrams USB Connections For Data Transfer , (UF7),(UF8),(UE8)
    • OEM Wiring Diagrams Windshield Defogger , (4GR)
    • OEM Wiring Diagrams Windshield Projection Head Up Display , (KS1)
    • OEM Wiring Diagrams Wiper And Washer System, Windshield , (9PA)
    • OEM Wiring Diagrams Wiper And Washer System, Windshield , (9PF)
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
    • Wires
    • Wiring
• Accessories & Equipment
  • Anti-Theft Systems
    • Front Doors, Central Locking System
    • Interior Lights, Lamps And Switches
    • Interior Lights, Switches
  • Collision/Avoidance
    • Communication (Infotainment System - Online Services)
    • Communication (Retrofitting Transmitter Units)
    • Driver Assistance Systems
  • Communication Devices
    • Communication (Infotainment System - Online Services)
    • General, Technical Data (Communication)
  • Cruise Control Systems
    • Electrical System - (Battery, Starter, Generator, Cruise Control)
    • Starter, Generator And Cruise Control
  • Drivers Assistance Systems - ADAS
    • Communication (Infotainment System - Online Services)
    • Communication (Retrofitting Transmitter Units)
    • Driver Assistance Systems
    • General, Technical Data (Driver Assistance Systems)
  • Entertainment Systems
    • Communication (Infotainment System - Online Services)
    • Communication (Retrofitting Transmitter Units)
    • General, Technical Data (Communication)
  • Exterior Lights
    • Exterior Lights, Lamps And Switches
    • Exterior Lights, Switches
  • Gauges & Instrument Panels
    • General, Technical Data (Body Interior)
    • Instruments
    • Interior Equipment
  • Infotainment
    • Communication (Infotainment System - Online Services)
    • Communication (Retrofitting Transmitter Units)
    • General, Technical Data (Communication)
  • Interior/Exterior Trim
    • Exterior Equipment
    • General, Technical Data (Body Exterior)
    • General, Technical Data (Body Interior)
    • Interior Equipment
    • Interior Trim
  • Interior/Illumination Lights
    • Interior Lights, Lamps And Switches
    • Interior Lights, Switches
  • Mirrors
    • Exterior Equipment
    • Interior Equipment
  • Seats
    • General, Technical Data (Body Interior)
    • Seat Frames
    • Seat Upholstery, Covers
  • Warning Systems
    • Communication (Infotainment System - Online Services)
    • Communication (Retrofitting Transmitter Units)
    • Driver Assistance Systems
  • Window Motors & Regulators
    • Exterior Equipment
    • Front Doors, Central Locking System
    • Glass, Window Regulators
    • Rear Doors
  • Wiper/Washer Systems
    • Windshield Washer System
    • Wiper/Washer Systems
• Body & Frame
  • Door Locks
    • Front Doors, Central Locking System
    • Interior Lights, Lamps And Switches
    • Interior Lights, Switches
  • Exterior Body Panels
    • Body Front
    • Bumpers
    • Exterior Equipment
    • Front Doors, Central Locking System
    • General, Technical Data (Body Exterior)
    • Hood, Lids
    • Rear Doors
  • Exterior/Interior Trim
    • Exterior Equipment
    • General, Technical Data (Body Exterior)
    • General, Technical Data (Body Interior)
    • Interior Equipment
    • Interior Trim
  • Mirrors
    • Exterior Equipment
    • Interior Equipment
  • Seats
    • General, Technical Data (Body Interior)
    • Seat Frames
    • Seat Upholstery, Covers
  • Sun Roof/T-Top/Convertible Top
    • Sunroof
  • Windows
    • Exterior Equipment
    • Front Doors, Central Locking System
    • Glass, Window Regulators
    • Rear Doors
• Brakes
  • Anti-Lock Brakes
    • Antilock Brake System
    • General, Technical Data (Brake System)
  • Brakes Control Systems
    • General, Technical Data (Brake System)
  • Mechanical - Hydraulic
    • Brake System - Mechanical Components
    • Brake System Hydraulic Components
    • General, Technical Data (Brake System)
  • Parking Brake System
    • Brake System - Mechanical Components
    • Brake System Hydraulic Components
  • Traction Control
    • Antilock Brake System
    • General, Technical Data (Brake System)
• Drivelines & Axles
  • Axle Shafts
    • Final Drive, Differential (Rear Final Drive)
    • Final Drive, Differential (Servicing - 8-Speed Automatic Transmission)
    • General, Technical Data (Rear Final Drive 0D2, 0D3, 0DB, 0B0, 0BX, 0DG, 0G2, 09R)
  • Differentials & Drive Axles
    • Final Drive, Differential (Rear Final Drive)
    • Final Drive, Differential (Servicing - 8-Speed Automatic Transmission)
    • General, Technical Data (Rear Final Drive 0D2, 0D3, 0DB, 0B0, 0BX, 0DG, 0G2, 09R)
  • Driveshaft & Universal Joints
    • General, Technical Data (Rear Final Drive 0D2, 0D3, 0DB, 0B0, 0BX, 0DG, 0G2, 09R)
• Electrical
  • Body Electrical
    • General, Technical Data (Electrical Equipment)
    • Wires
    • Wiring
  • Charging Systems
    • Electrical System - (Battery, Starter, Generator, Cruise Control)
    • General, Technical Data (Electrical Equipment)
    • Starter, Generator And Cruise Control
  • Sq7 - Component Locations
  • Fuses & Circuit Breakers
    • Wires
    • Wiring
  • Gauges
    • General, Technical Data (Body Interior)
    • Instruments
    • Interior Equipment
  • Motors, Switches, Relays
    • General, Technical Data (Electrical Equipment)
    • Wires
    • Wiring
  • Starter
    • Electrical System - (Battery, Starter, Generator, Cruise Control)
    • Starter, Generator And Cruise Control
  • Wiring Diagrams
    • OEM Wiring Diagrams 12 V Sockets
    • OEM Wiring Diagrams 4.0L Gasoline Engine , DCUE,DWRB
    • OEM Wiring Diagrams 48 V System , (VH2),(VH3)
    • OEM Wiring Diagrams A/C System , (9AD)
    • OEM Wiring Diagrams A/C System , (9AE)
    • OEM Wiring Diagrams A/C System , (9AQ)
    • OEM Wiring Diagrams A/C System , (9AU)
    • OEM Wiring Diagrams A/C System , (KH5)
    • OEM Wiring Diagrams Access And Start Authorization , (2F0)
    • OEM Wiring Diagrams Access And Start Authorization , (2F1)
    • OEM Wiring Diagrams Adaptive Cruise Control , (8T3),(8T8)
    • OEM Wiring Diagrams Adaptive Cruise Control , (8T4),(8T5)
    • OEM Wiring Diagrams Airbag Systems (USA) , (4UB)
    • OEM Wiring Diagrams All-Wheel Drive , (GH2)
    • OEM Wiring Diagrams Anti-Theft Alarm System
    • OEM Wiring Diagrams Assistance Systems , (JX1)
    • OEM Wiring Diagrams Automatic Dimming Interior Rearview Mirror
    • OEM Wiring Diagrams Automatic Transmission , (Fm0)
    • OEM Wiring Diagrams Automatic Transmission , (FN0)
    • OEM Wiring Diagrams Brake System
    • OEM Wiring Diagrams Cd Changer , (7D5)
    • OEM Wiring Diagrams Cell Phone System , (9ZE),(9ZV),(9ZX)
    • OEM Wiring Diagrams Center Console Switch
    • OEM WIRING DIAGRAMS COMMUNICATION , (0K3),(B1P) From 2020
    • OEM Wiring Diagrams Communication , (IV1),(IV2),(IV3),(IV4),(IV5),(IV6),(IV7),(IV8),(IV9),(JE0),(JE1),(JE3),(JE4)
    • OEM Wiring Diagrams Convenience System
    • OEM Wiring Diagrams Driver Assistance Systems Front Camera , (QK1)
    • OEM Wiring Diagrams Driver Door Control Modules
    • OEM Wiring Diagrams Dynamic Sway Stabilization , (1P7)
    • OEM Wiring Diagrams Emergency Call Module , (IV0)
    • OEM Wiring Diagrams Emergency Call Module , (IV1),(IV2),(IV4),(IV5),(IV6),(IV7),(IV8)
    • OEM Wiring Diagrams Engine Sound Generator , (Gm4)
    • OEM Wiring Diagrams Front Passenger Door Control Modules
    • OEM Wiring Diagrams Fuse Assignment, Luggage Compartment
    • OEM Wiring Diagrams Fuse Positions
    • OEM Wiring Diagrams Garage Door Opener , (VC1),(VC2)
    • OEM Wiring Diagrams Headlamp , (8EX)
    • OEM Wiring Diagrams Headlamp , (8IY)
    • OEM Wiring Diagrams Headlamp , (8IZ)
    • OEM WIRING DIAGRAMS HIGH-VOLTAGE BATTERY SYSTEM , (0K3) From 2020
    • OEM Wiring Diagrams High-Voltage System , (0K3)
    • OEM Wiring Diagrams Horn, Dual Tone
    • OEM Wiring Diagrams Infotainment Most Bus
    • OEM Wiring Diagrams Instrument Cluster , (9S7),(9S8),(9S9)
    • OEM Wiring Diagrams Interior Lighting , (QQ0),(QQ1)
    • OEM Wiring Diagrams Interior Lighting , (QQ2)
    • OEM Wiring Diagrams Lane Change Assistance , (7Y1)
    • OEM Wiring Diagrams Level Control System , (1BK),(2MA),(2MB)
    • OEM Wiring Diagrams Lid Release - Rear
    • OEM Wiring Diagrams Light Switch
    • OEM Wiring Diagrams MMI (Information Electronics 1)
    • OEM Wiring Diagrams Network Data Bus
    • OEM Wiring Diagrams Network Data Bus (FLEXRAY Bus)
    • OEM Wiring Diagrams Night Vision System , (9R1)
    • OEM Wiring Diagrams Parking Distance Control , (7X1),(7X2)
    • OEM Wiring Diagrams Parking Distance Control , (7X5), (9X9)
    • OEM Wiring Diagrams Parking Distance Control , (KA6)
    • OEM Wiring Diagrams Peripheral Camera , (KA6)
    • OEM Wiring Diagrams Power Rear Lid
    • OEM Wiring Diagrams Power Steering, Electromechanical
    • OEM Wiring Diagrams Rain/Light Recognition Sensor
    • OEM Wiring Diagrams Rear Axle Steering, Electromechanical , (0N5)
    • OEM Wiring Diagrams Rear Window Defogger
    • OEM Wiring Diagrams Rearview Camera (Rear Assist) , (KA2)
    • OEM Wiring Diagrams Seat Entertainment, Rear , (9WQ)
    • OEM Wiring Diagrams Seat Heating, Front , (4A3),(4A4)
    • OEM Wiring Diagrams Seat Ventilation , (L0L),(4D3),(4D8)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4),(Q1A)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (3L5),(Q1A)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (3PN),(Q1A)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (Q1D)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (Q2J),(Q4Q)
    • OEM Wiring Diagrams Seats, Heated Rear , (4A4)
    • OEM Wiring Diagrams Sound System , (8RF)
    • OEM Wiring Diagrams Sound System , (9VD)
    • OEM Wiring Diagrams Sound System , (9VS) (From 06/20)
    • OEM Wiring Diagrams Sound System , (9VS) (Up To 06/20)
    • OEM Wiring Diagrams Steering Column Adjustment , (2C7)
    • OEM Wiring Diagrams Steering Wheel
    • OEM Wiring Diagrams Sunroof, Open Sky System
    • OEM Wiring Diagrams Tail Lamps , (8VM),(Av2)
    • OEM Wiring Diagrams Tail Lamps , (8VP),(Av2)
    • OEM Wiring Diagrams Third Row Rear Seat , (5KL)
    • OEM Wiring Diagrams Tire Pressure Monitoring , (7K3),(7K4)
    • OEM Wiring Diagrams Trailer Mode, Only For Us Equipment , (5C1),(B39)
    • OEM Wiring Diagrams TV Tuner , (Q0A),(Q0B),(QU1),(QV1)
    • OEM Wiring Diagrams USB Connections For Data Transfer , (UF7),(UF8),(UE8)
    • OEM Wiring Diagrams Windshield Defogger , (4GR)
    • OEM Wiring Diagrams Windshield Projection Head Up Display , (KS1)
    • OEM Wiring Diagrams Wiper And Washer System, Windshield , (9PA)
    • OEM Wiring Diagrams Wiper And Washer System, Windshield , (9PF)
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
    • Wires
    • Wiring
• Engine Mechanical
  • Blowers, Superchargers & Turbochargers
    • Turbocharger, Supercharger (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Turbocharger, Supercharger (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Cooling Fan
    • Cooling System (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Cooling System (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Cooling System (Mechanical)
    • Cooling System (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Cooling System (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Exhaust
    • Exhaust System, Emission Controls (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Exhaust System, Emission Controls (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Technical Data
  • Fuel System
    • Fuel Supply (Fuel Supply - Gasoline Engines)
    • Fuel Supply (Using The Evaporative Emissions Tester)
    • General, Technical Data (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (Fuel Supply - Gasoline Engines)
    • General, Technical Data (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • MULTIPORT Fuel Injection (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • MULTIPORT Fuel Injection (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Lubrication System
    • General, Technical Data (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (Oil Gauge Tester T40178 Service Values)
    • General, Technical Data (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Genuine Oils For Warranty
    • Lubrication (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Lubrication (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Mechanical
    • Crankshaft, Cylinder Block (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Crankshaft, Cylinder Block (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Cylinder Head, VALVETRAIN (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Cylinder Head, VALVETRAIN (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Engine Assembly (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Engine Assembly (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (Oil Gauge Tester T40178 Service Values)
    • General, Technical Data (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Technical Data
  • Starter
    • Electrical System - (Battery, Starter, Generator, Cruise Control)
    • Starter, Generator And Cruise Control
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Engine Control Systems
    • Generic Scan Tool (6 & 8 CYL) - Engine DTC Tables (P0087 - P0562)
    • Generic Scan Tool (6 & 8 CYL) - Engine DTC Tables (P0420 - P0058)
    • Generic Scan Tool (6 & 8 CYL) - Engine DTC Tables (P2279 - P2635)
    • Generic Scan Tool (6 & 8 CYL) (Brake System - Gateway Module DTC Tables)
    • Generic Scan Tool (6 & 8 CYL) (Engine - Belt Starter Generator DTC Tables)
    • Generic Scan Tool (6 & 8 CYL) (General Information - Diagnosis & Testing)
    • Generic Scan Tool (6 & 8 CYL) (Transmission DTC Tables - Belt Starter Generator Control Module DTC Tables)
  • Fuel Delivery
    • Fuel Supply (Fuel Supply - Gasoline Engines)
    • Fuel Supply (Using The Evaporative Emissions Tester)
    • General, Technical Data (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (Fuel Supply - Gasoline Engines)
    • General, Technical Data (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • MULTIPORT Fuel Injection (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • MULTIPORT Fuel Injection (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Ignition System
    • General, Technical Data (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Ignition/Glow Plug System (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Ignition/Glow Plug System (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • Generic Scan Tool (6 & 8 CYL) - Engine DTC Tables (P0087 - P0562)
    • Generic Scan Tool (6 & 8 CYL) - Engine DTC Tables (P0420 - P0058)
    • Generic Scan Tool (6 & 8 CYL) - Engine DTC Tables (P2279 - P2635)
    • Generic Scan Tool (6 & 8 CYL) (Brake System - Gateway Module DTC Tables)
    • Generic Scan Tool (6 & 8 CYL) (Engine - Belt Starter Generator DTC Tables)
    • Generic Scan Tool (6 & 8 CYL) (General Information - Diagnosis & Testing)
    • Generic Scan Tool (6 & 8 CYL) (Transmission DTC Tables - Belt Starter Generator Control Module DTC Tables)
  • Testing & Diagnosis
    • Generic Scan Tool (6 & 8 CYL) - Engine DTC Tables (P0087 - P0562)
    • Generic Scan Tool (6 & 8 CYL) - Engine DTC Tables (P0420 - P0058)
    • Generic Scan Tool (6 & 8 CYL) - Engine DTC Tables (P2279 - P2635)
    • Generic Scan Tool (6 & 8 CYL) (Brake System - Gateway Module DTC Tables)
    • Generic Scan Tool (6 & 8 CYL) (Engine - Belt Starter Generator DTC Tables)
    • Generic Scan Tool (6 & 8 CYL) (General Information - Diagnosis & Testing)
    • Generic Scan Tool (6 & 8 CYL) (Transmission DTC Tables - Belt Starter Generator Control Module DTC Tables)
  • Tune-Up
    • General, Technical Data (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Ignition/Glow Plug System (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Ignition/Glow Plug System (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
• General Information
  • Abbreviations
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
  • Basic Trouble Shooting
    • Basic Trouble Shooting - General Information
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
    • Engine Performance - Trouble Shooting - 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
    • DTC Index (Thru P0502)
    • DTC Index (Thru U0093)
  • Electrical
    • Map - Electrical Systems
    • Using lemon2025'S System Wiring Diagrams
  • 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
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • 2024 AUDI Service
    • General Information
    • Genuine Oils For Warranty
  • Maintenance Reminder Light (Reset Procedures)
  • 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
    • General, Technical Data (Heating, Ventilation And Air Conditioning)
    • General, Technical Data (Refrigerant R1234YF Servicing)
  • HVAC Control Systems
    • Air Conditioning (Heating, Ventilation And Air Conditioning) (Actuators - Air Ionization)
    • Air Conditioning (Heating, Ventilation And Air Conditioning) (Component Overview - Refrigerant Circuit)
    • Air Conditioning (Heating, Ventilation And Air Conditioning) (Refrigerant Circuit - Actuators)
    • Air Conditioning (Refrigerant R1234YF Servicing) (Refrigerant Circuit)
    • Air Conditioning (Refrigerant R1234YF Servicing) (Tools & Testing Equipment)
    • Air Conditioning (Refrigerant R134A Servicing) (Capacities)
    • Air Conditioning (Refrigerant R134A Servicing) (General Information)
    • Air Conditioning (Refrigerant R134A Servicing) (Pressures - Refrigerant Oils)
    • Air Conditioning (Refrigerant R134A Servicing) (Pressures Checking)
    • General, Technical Data (Heating, Ventilation And Air Conditioning)
    • General, Technical Data (Refrigerant R1234YF Servicing)
    • Heating, Ventilation
• Hybrid/Electric Powertrain
  • Battery Management Systems
    • Electrical System - (Battery, Starter, Generator, Cruise Control)
    • General, Technical Data (Electrical Equipment)
    • Technical Data
  • Cooling Systems
    • Cooling System (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Cooling System (Servicing - 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Electric Motor Systems
    • Engine Assembly (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
• Maintenance
  • Procedures
    • Maintenance Reminder Light (Reset Procedures)
    • Maintenance, Diagnosis
• Restraints
  • Air Bag, SRS
    • Passenger Protection, Airbags, Seat Belts
  • Passive Restraints
    • Passenger Protection, Airbags, Seat Belts
• Steering
  • Manual Steering
    • General, Technical Data (Suspension, Wheels, Steering)
  • Power Steering
    • General, Technical Data (Suspension, Wheels, Steering)
  • Steering Column
    • General, Technical Data (Suspension, Wheels, Steering)
    • Steering
  • Steering Gear
    • General, Technical Data (Suspension, Wheels, Steering)
    • Steering
  • Steering Linkage
    • General, Technical Data (Suspension, Wheels, Steering)
    • Steering
• Suspension
  • Electronic Suspension
    • Self-Leveling Suspension
  • Front Suspension
    • Front Suspension
    • General, Technical Data (Suspension, Wheels, Steering)
  • Rear Suspension
    • General, Technical Data (Suspension, Wheels, Steering)
    • Rear Suspension
  • Suspension Control Systems
    • General, Technical Data (Suspension, Wheels, Steering)
  • Wheel Alignment
    • General, Technical Data (Suspension, Wheels, Steering)
    • Wheels, Tires And Wheel Alignment
    • Wheels, Tires, Wheel Alignment ( Correct Wheel Tire Combinations)
    • Wheels, Tires, Wheel Alignment (Tires & Wheels - Infrared System)
    • Wheels, Tires, Wheel Alignment (Wheel Changing - Temporary Spares)
    • Wheels, Tires, Wheel Alignment (Wheel Tire Combinations - Air Pressures)
  • Wheels & Tire System
    • General, Technical Data (Suspension, Wheels, Steering)
    • Wheels, Tires And Wheel Alignment
    • Wheels, Tires, Wheel Alignment ( Correct Wheel Tire Combinations)
    • Wheels, Tires, Wheel Alignment (Tires & Wheels - Infrared System)
    • Wheels, Tires, Wheel Alignment (Wheel Changing - Temporary Spares)
    • Wheels, Tires, Wheel Alignment (Wheel Tire Combinations - Air Pressures)
• Transmission
  • Automatic Trans
    • Gears, Hydraulic Controls
    • General, Technical Data (Servicing - 8-Speed Automatic Transmission)
    • Torque Converter
  • Clutch
    • Gears, Hydraulic Controls
  • Manual Trans
    • Gears, Hydraulic Controls
  • Transmission Control Systems
    • Gears, Hydraulic Controls
    • General, Technical Data (Servicing - 8-Speed Automatic Transmission)
• External Pages