2021 Audi Q5 Service and Repair Manual

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Factory-Grade Data

2021 Audi Q5 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

  • S Line Sport Utility 4-Door
  • Premium Sport Utility 4-Door
  • Technik Sport Utility 4-Door
  • Premium Plus Sport Utility 4-Door
  • Prestige Sport Utility 4-Door
  • Select Sport Utility 4-Door
  • Dynamic Sport Utility 4-Door
  • Progressiv Sport Utility 4-Door
  • Komfort Sport Utility 4-Door
  • Elite Sport Utility 4-Door

Engines covered

  • 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged
  • 2.0L 1984CC 121Cu. In. l4 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

2021 Audi Q5 Recalls & Complaints

NHTSA #21V29500026/04/2021Component: SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY

Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sed

Consequence

A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a

Remedy

Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner n

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 #23V84200013/12/2023Component: ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ONBOARD

Volkswagen Group of America, Inc. (Audi) is recalling certain 2022-2024 RS e-tron GT, e-tron GT, Q4 e-tron Sportback, Q4 e-tron, 2020-2021 Audi A8, 2019-2024 e-tron Quattro, 2020-2024 e-tron Sportback

Consequence

An overheated outlet or charging cable can increase the risk of a fire.

Remedy

Owners are advised not to use the 220V/240V compact/portable charging cable and only use the 110V ho

NHTSA #21V94700008/12/2021Component: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

Volkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 Q5 Sportback, SQ5 Sportback, 2018-2022 Q5, and SQ5 vehicles. A liquid spill in the rear seat, or water ingress from an insuffic

Consequence

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

Remedy

Dealers will install a protective cover on the gateway control module and seal an underbody seam as

NHTSA #22V75300007/10/2022Component: ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021-2023 Audi Q5 Sportback, Q5, 2022-2023 Volkswagen Atlas FL, and Atlas Cross Sport vehicles. The engine connecting rod bearings

Consequence

A damaged engine can result in engine failure and a stall, increasing the risk of a crash. If the e

Remedy

Dealers will inspect and, if necessary, replace an affected engine, free of charge. Owner notificat

NHTSA #22V74200005/10/2022Component: BACK OVER PREVENTION:DISPLAY FUNCTION

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Audi A8, RS7, RS6 Avant, RS5 Sportback, RS5 Coupe, Q8, Q7, Q5 Sportback, S4 Sedan, Q5, A7, A6, A6 Allroad, A5 Sportback, A5 Cou

Consequence

A blank rearview camera display can reduce the driver's rear visibility, increasing the risk of a cr

Remedy

Dealers will update the infotainment unit software, free of charge. Owner notification letters were

NHTSA #21V60600005/08/2021Component: SEAT BELTS:REAR/OTHER:RETRACTOR

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Volkswagen ID4, Audi A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A5 Sportback, A6 Allroad, A6 Sedan, A7, A8, E-Tron Quattro,

Consequence

An unsecured child restraint system can increase the risk of injury during a crash.

Remedy

Dealers will inspect, and replace as necessary, the middle-rear seat belt assemblies, free of charge

TSB #11032194

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

TSB #11032165

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

TSB #11032157

This bulletin provides information when the sliding glass panoramic sunroof is leaking.

TSB #11032137

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

TSB #11032131

This bulletin provides diagnostic information for the vehicle locking system.

TSB #11032126

A software update is available for the highvoltage battery on vehicles included in this service action. This update includes quality enhancements that improve battery diagnostic capabilities, allow for more precise analysis of battery modul

TSB #11032123

A software update is available for the highvoltage battery on vehicles included in this service action. This update includes quality enhancements that improve battery diagnostic capabilities, allow for more precise analysis of battery modul

TSB #11032125

A software update for the high-voltage battery that contains quality improvement measures is available for Audi Q5 PHEV vehicles. The new software optimizes the diagnostic functions in the battery, enables the battery modules to be analyzed

Showing the 8 most recent of 1076 technical service bulletins on file with NHTSA.

20240604Component: SERVICE BRAKESCrash reported1 injured

Reverse car went full throttle, brakes did not work, car stopped in reverse when it hit a tree. Seat belt did not tighten,

20240604Component: ENGINECrash reported1 injured

Reverse car went full throttle, brakes did not work, car stopped in reverse when it hit a tree. Seat belt did not tighten,

20211204Component: SERVICE BRAKESCrash reported1 injured

I was driving down a slight hill in 1/2 inch of snow at 5MPH and when I tired to gently brake as I descended the hill, the brake pedal had no resistance and went flat to the floor. I had no brakes. I

20211204Component: STEERINGCrash reported1 injured

I was driving down a slight hill in 1/2 inch of snow at 5MPH and when I tired to gently brake as I descended the hill, the brake pedal had no resistance and went flat to the floor. I had no brakes. I

20260508Component: SERVICE BRAKES

I am submitting this complaint regarding a serious brake-related safety issue involving my Audi vehicle after recent brake service performed by an authorized Audi Meadowland dealership in [XXX] . In

Showing the 5 most serious of 98 complaints filed with NHTSA.

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