2020 Audi A6 allroad Service and Repair Manual

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Factory-Grade Data

2020 Audi A6 allroad service and repair manual a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What's included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Premium Plus Wagon 4-Door
  • Progressiv Wagon 4-Door
  • Prestige Wagon 4-Door
  • Technik Wagon 4-Door

Engines covered

  • 3.0L 2995CC V6 MILD HYBRID EV-GAS (MHEV) DOHC Turbocharged

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2020 Audi A6 allroad Recalls & Complaints

NHTSA #22V03400026/01/2022Component: TIRES

Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A

Consequence

Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.

Remedy

Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely o

NHTSA #22V86100021/11/2022Component: ELECTRICAL SYSTEM

Volkswagen Group of America, Inc. (Audi) is recalling certain 2020-2022 Audi S7, S6 Sedan, A6 Allroad, 2021-2022 RS7, RS6 Avant, 2019-2022 A7, and A6 Sedan vehicles. Liquid spilled in the rear seat m

Consequence

A gateway control module shutdown will suddenly reduce engine power, increasing the risk of a crash.

Remedy

Dealers will install a protective cover, free of charge. Owner notification letters are expected to

NHTSA #25V90000019/12/2025Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2026 vehicles. Please see the recall report for a complete list of models. A software error may prevent the rearview camera image fro

Consequence

A rearview image that does not display reduces the driver's view behind the vehicle, increasing the

Remedy

Dealers will update the software, free of charge. Owner notification letters were mailed January 14,

NHTSA #21V15900010/03/2021Component: AIR BAGS

Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi RS6 Avant, RS7, 2020-2021 A6 Allroad, S6 Sedan, S7, 2019-2021 A6 Sedan, and A7 vehicles. The score line on the passenger air ba

Consequence

An incorrectly manufactured air bag may not deploy properly, and could also eject plastic debris int

Remedy

Audi will notify owners, and dealers will inspect the passenger air bag score line, and repair it as

TSB #11032194

This bulletin is informational and contains information on the various warning lamps that may appear.

TSB #11032174

This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.

TSB #11032173

This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.

TSB #11032165

This bulletin provides informaiotn when the starter battery is discharged or defective.

TSB #11032137

This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool

TSB #11032133

This bulletin provides workshop information regarding the DAS control unit, entry "U110100: Component protection active (symptom number 15361024)" - FAZ9488E.

TSB #11032132

This bulletin provides information when there is an electrical system warning; DTC U046900 stored in the ECM.

TSB #11032131

This bulletin provides diagnostic information for the vehicle locking system.

Showing the 8 most recent of 872 technical service bulletins on file with NHTSA.

20240105Component: UNKNOWN OR OTHER1 injured

This vehicle has an automatic opening/closure feature for the rear trunk/hatchback door. It's activated by putting one's foot under a sensor under the rear fender. This is fine for opening the door

20240105Component: STRUCTURE:BODY1 injured

This vehicle has an automatic opening/closure feature for the rear trunk/hatchback door. It's activated by putting one's foot under a sensor under the rear fender. This is fine for opening the door

20231207Component: ELECTRICAL SYSTEM

While driving I received two messages to contract service first that the “electrical system malfunction” and then a “starting malfunction” which was fallowed by a battery light and a check eng

20231008Component: ELECTRICAL SYSTEM

Dashboard error messages, "Electrical System Malfunction! Please contact service" and "Vehicle Starting System: Malfunction! Please contact service". Dealer replied that it is a starter generator. U

20231008Component: POWER TRAIN

Dashboard error messages, "Electrical System Malfunction! Please contact service" and "Vehicle Starting System: Malfunction! Please contact service". Dealer replied that it is a starter generator. U

Showing the 5 most serious of 14 complaints filed with NHTSA.

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