2018-2020 Audi A6 and A7 Sportback Repair Manual

$26.00

Download the original colored OEM service and workshop repair manual for the 2018-2020 Audi A6 and Audi A7 Sportback,  including wiring diagrams in PDF format.

Download the original colored OEM service and workshop repair manual for the 2018-2020 Audi A6 and Audi A7 Sportback (models 4K, 4KA, and 4KF), including fully colored electrical wiring diagrams in an easy-to-navigate PDF format. This comprehensive guide is identical to the resource used by Audi dealership mechanics to maintain, diagnose, and repair your car.

File Format PDF
File Language English
You’ll Get 153 MB
Wiring Diagram Included
Delivery Method Instant Download

Vehicle Details

  • Make: Audi
  • Models: Audi A6, Audi A7 Sportback
  • Years: 2018, 2019, 2020
  • Platform: MLB Evo
  • Variants: Sedan, Avant, and Sportback
  • Drive Configurations: Front-wheel drive (FWD) and quattro all-wheel drive (AWD)
  • Engine Types:
    • Gasoline: TFSI
    • Diesel: TDI

Key Features

  • Authenticity: Directly from Audi’s official resources, ensuring accurate and reliable information.
  • Fully Colored Diagrams: Easy-to-understand wiring schematics for precise troubleshooting.
  • Comprehensive Scope: Covers every aspect of your vehicle, from basic maintenance to advanced repairs.
  • PDF Format: Portable and accessible on various devices for on-the-go reference.

Why This Manual is Essential

  • Dealer-Equivalent Knowledge: Gain access to the same detailed information as Audi-certified technicians.
  • Cost Savings: Perform repairs and maintenance yourself to save on labor costs.
  • Increased Reliability: Follow manufacturer-approved procedures to ensure long-lasting repairs.

Perfect For:

  • DIY Audi owners who want to take charge of their vehicle’s upkeep.
  • Independent repair shops seeking official repair guidelines.
  • Technicians aiming to provide dealer-level service quality.

Download Your Copy Now

Equip yourself with the 2018-2020 Audi A6 & Audi A7 Sportback OEM Workshop Manual and confidently handle all your car maintenance and repair needs! 🚘📘

This manual offers comprehensive instructions for maintenance, disassembly, reassembly, component inspection, adjustment, and diagnostics—specifically designed for experienced mechanics. Proper use of this manual will help ensure thorough repairs and keep your vehicle performing at its best.

Important Note: Before purchasing this manual, please check whether your vehicle is subject to any active Audi service recalls. In some cases, repairs may be performed free of charge by your local Audi dealer. When replacing parts, always use genuine Audi OEM components to ensure safety, reliability, and optimal performance.

Contents: 2018-2020 Audi A6 & A7 Sportback (4K,4KA,4KF)

Workshop Service and Repair Manual

1-Maintenance
2-Technical data for engines
3-4-cylinder TDI engine, 2.0 ltr. 4-valve common rail (EA 288 EVO)
4-4-cylinder direct-injection engine (2.0 ltr. 4-valve TFSI, EA 888 Gen. III)
5-6-cylinder TDI engine, 3.0 ltr. 4-valve common rail (EA 897 Gen. I)
6-6-cylinder TDI engine, 3.0 ltr. 4-valve common rail (EA 897 – Gen. II)
7-6-cylinder TDI engine, 3.0 ltr. 4-valve common rail (EA 897 – Gen. II, S6, S7)
8-6-cylinder direct-injection engine (2.9 ltr., 3.0 ltr. 4-valve TFSI EA 839)
9-Servicing 4-cylinder TDI engine, common rail (EA 288 EVO)
10-Servicing 4-cylinder engine, 2.0 ltr. 4-valve TFSI (EA 888, Gen. III)
11-Servicing 6-cylinder TDI engine, common rail (EA 897 Gen. II)
12-Servicing 6-cylinder TDI engine, common rail (EA 897 Gen. I)
13-Servicing 6-cylinder engine, 2.9 ltr., 3.0 ltr. 4-valve TFSI EA 839
14-Fuel supply system
15-7-speed dual-clutch gearbox 0DK
16-7-speed dual-clutch gearbox 0CJ, 0CK, 0HL, 0DN, 0DP
17-8-speed automatic gearbox 0D5
18-Servicing 7-speed dual-clutch gearbox 0CJ, 0CL, 0CK, 0DN, 0DP, 0HL
19-Servicing 8-speed automatic gearbox
20-Rear final drive 0D2, 0D3, 0DB, 0B0, 0BX, 0DG, 0G2, 09R
21-Running gear, front-wheel drive, and four-wheel drive
22-Wheels and tires
23-WheelTyre Guide (Edition 01.2019)
24-WheelTyre Guide (Edition 10.2019)
25-Brake system
26-Communication
27-Driver assist systems
28-Basic information on high-voltage vehicles
29-Fitting instructions radio communication systems
30-Air conditioner with refrigerant R134a
31-Air conditioners with refrigerant R1234yf – General information
32-Auxiliarysupplementary heater
33-Heating, air conditioning
34-General Body Repairs
35-Body Repairs
36-General body repairs, seats
37-General body repairs, interior
38-General body repairs, exterior
39-Electrical system_ General information
40-Electrical system

Electrical Wiring Diagrams

  • General Information.
  • Electrical Wiring Diagrams.

Sample Pages

CAUTION: This OEM service and workshop repair manual provides detailed procedures for maintenance, disassembly, reassembly, inspection, adjustment, and diagnostics. It is intended as a comprehensive guide for experienced mechanics. To ensure thorough and accurate repairs that maintain your vehicle’s optimal performance, please read and follow this manual carefully. When replacing parts during any repair work, always use genuine Audi parts to ensure quality, safety, and reliability.

🚘 2018–2020 Audi A6 & A7 Sportback – Common Issues, Specs, Competitors, Maintenance & DTCs

The 2018–2020 Audi A6 and A7 Sportback offer a blend of luxury, performance, and cutting-edge tech. Built on the MLB Evo platform, these models bring sleek design and advanced safety and infotainment systems. Here’s a comprehensive guide including common issues, technical specs, top rivals, maintenance schedule, and DTCs for these elegant German sedans and sportbacks.


🔧 10 Common Mechanical Issues

    • ⚠️ Oil consumption in 3.0L TFSI engines
    • 🔩 Suspension noise from front control arm bushings
    • 🚿 Water pump leaks on V6 models
    • 🌡️ Thermostat housing failures causing overheating
    • 🔊 Rattling noise from exhaust valves during cold starts
    • 🔧 Power steering fluid leaks (electric-assisted systems)
    • 💨 Turbocharger wastegate actuator faults
    • 🛞 Uneven tire wear due to alignment issues
    • 🧯 Brake rotor warping under heavy use
    • 💥 Timing chain rattle at startup (V6 engines)

💡 10 Common Electrical Issues

    • 🧠 MMI (Multi Media Interface) black screen or freezing
    • 📶 Keyless entry malfunctions and key recognition failures
    • 🚫 Faulty ambient lighting system or flickering LEDs
    • 🌀 Adaptive cruise control sensor calibration errors
    • 🔋 Battery drain due to software bugs in modules
    • 🚘 Backup camera glitches or no video
    • 📡 GPS navigation signal dropouts
    • 🌫️ Headlight DRL module failures
    • 📱 Bluetooth/CarPlay connectivity issues
    • ⚙️ Lane assist and side assist sensor faults

📊 Technical Specifications

Specification A6 (C8) A7 Sportback (C8)
Engine Options 2.0L I4, 3.0L V6 TFSI 3.0L V6 TFSI
Horsepower 248–335 hp 335 hp
Transmission 7-speed S tronic 7-speed S tronic
Drivetrain AWD (quattro) AWD (quattro)
0–60 mph 5.1–6.1 sec 5.2 sec
Fuel Economy (combined) 24–27 MPG 24 MPG
Infotainment Dual touchscreen MMI, Virtual Cockpit Same as A6

🏁 Top Competitors


✅ Pros & Cons

Pros 👍 Cons 👎
Luxurious, spacious cabin High maintenance and repair costs
Sharp handling and quattro AWD Complex infotainment system
Refined ride quality Some tech glitches
Elegant and modern styling Below-average rear headroom in A7
Strong performance in V6 models Fuel economy could be better

🛠️ Maintenance Schedule

Interval Service
Every 10,000 miles Oil & filter change, tire rotation
Every 20,000 miles Cabin air filter, brake inspection
Every 30,000 miles Engine air filter replacement
Every 40,000 miles Brake fluid replacement
Every 60,000 miles Transmission fluid inspection
Every 100,000 miles Spark plugs and coolant service

🏁 Final Verdict

The 2018–2020 Audi A6 and A7 Sportback are ideal for those who want luxury and cutting-edge technology in a sleek package. While they offer top-tier comfort and performance, potential owners should be mindful of maintenance costs and possible electronic hiccups. A well-maintained A6 or A7 can be a rewarding long-term vehicle choice.

🧾 DTC Trouble Code List

🧠 Engine Control Module (ECM)

Code Description
P0299 Turbo/Supercharger Underboost
P0300 Random/Multiple Cylinder Misfire
P0171 System Too Lean (Bank 1)
P0420 Catalyst System Efficiency Below Threshold
P2187 System Too Lean at Idle (Bank 1)

⚙️ Transmission Control Module (TCM)

Code Description
P0720 Output Speed Sensor Circuit
P0741 TCC System Performance/Stuck Off
P0750 Shift Solenoid A Malfunction
P1701 Transmission Control System Fault

🛑 ABS / ESC (Brake System)

Code Description
C0040 Right Front Wheel Speed Sensor
C0077 Tire Pressure Low
C1234 ABS Control Module Communication Fault
C1140 Brake Pressure Sensor Fault

🎈 SRS Airbag System

Code Description
B1000 Airbag Control Module Fault
B1015 Passenger Airbag Deactivation Lamp Circuit
B0051 Deployment Commanded

💡 Body Control / CAN Communication

Code Description
U0100 Lost Communication with ECM/PCM
U0146 Lost Communication with Gateway Module
U0155 Lost Communication with Instrument Cluster
U1121 Missing Message: Brake Control Module

🧰 For detailed repair procedures, wiring diagrams, and diagnostic instructions, download the Audi A6 & A7 Workshop Repair Manual PDF exclusively on Dardoor.com.