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.
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 (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 | |
| 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! 🚘📘
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
🚘 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 |
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 |









