2021 Audi Q5 electrical system problems

Updated from NHTSA data · How we count

27 owners have reported electrical system problems with the 2021 Audi Q5, 36% of all complaints about this model year. The typical problem appeared around 12,500 mi.

Electrical System complaints
27
Crashes
0
Fires
0
Injuries
0
Related recalls
3
Median mileage
12,500 mi

Specific components reported

Electrical System covers: Battery, wiring, infotainment, instrument cluster, communication and software.

ComponentComplaints
Electrical system25
Electrical system:adas1
Electrical system:instrument panel:fuel gauge1

Electrical System complaints across Audi Q5 years

3201031201245201423201636820181282020277202210220241912026
Electrical System complaints by model year. The 2021 is highlighted.

Mileage when the problem appeared

2Under 10k110k–30k130k–60k60k–100k100k–150k150k+
Complaints that list mileage, grouped by odometer reading.

Related recalls

  • Recall 25V080000Feb 12, 202520,201 vehicles
    ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

    Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021-2024 Audi Q5, and 2022 A7 E Hybrid Electric PHEV vehicles. The high-voltage battery may overheat.

    Risk: A high-voltage battery that overheats increases the risk of a fire.

    Remedy: Dealers will install advanced diagnostic software , free of charge. Volkswagen will monitor available online vehicle data and contact owners as necessary, to advise them not to charge the vehicle until the battery can be replaced. For vehicles in which online data is unavailable, owners are advised not to charge their batteries until the final remedy becomes available. Repairs will be performed free of charge. This will be a Phased recall. Phase 1 will include Interim letters 2022-2023 model year vehicles. Phase 2 will include Owner letters 2021-2024 model year vehicles, and Phase 3 will include Interim letters 2022-2023 model year vehicles. Interim owner notification letters informing owners of the safety risk were mailed February 28, 2025, and May 7, 2025. A second notice will be sent once the final remedy is available. Owner notification letters were mailed May 1, 2025. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 93AA. This recall expands and replaces previous NHTSA recall number 24V898.

  • Recall 23V842000Dec 13, 202393,196 vehicles
    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 Quattro, Q5, and 2021-2022 A7 vehicles. When using the industrial 220V/240V plug at the 100% charge setting, some home power outlets may be incapable of handling the electrical current required to utilize the compact charging system, causing the outlet or charging cable to overheat.

    Risk: 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 home charging cable or public charging stations. Dealers will supply a new 220V/240V compact/portable charging cable with an incorporated temperature sensor, free of charge. Owner notification letters were mailed on March 28, 2024. Owners may contact Audi customer service at 1-800-253-2834. Audi's numbers for this recall are 93U6 and 93U8.

  • Recall 21V947000Dec 8, 2021288,991 vehicles
    ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM · STRUCTURE:BODY

    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 insufficient body seam underneath the vehicle may allow liquid to penetrate the gateway control module, causing it to shutdown.

    Risk: 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 necessary, free of charge. Owner notification letters were mailed January 21, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 90S9.

What owners say

  1. Filed Sep 29, 2026NYElectrical System
    Vehicle Information: 2021 Audi Q5 Component Affected: Electrical System / Electronic Control Unit (Body Control Module / BCM2) Description of Safety Defect: The vehicle suffered a catastrophic failure of the Body Control Module (BCM / BCM2) caused by water ingress originating from a defective rear sunroof drainage tube assembly. The manufacturing failure of the panoramic sunroof drain allows water to pour directly down the vehicle's interior D-pillar. Because of a severe…
    NHTSA complaint #11767711 · source
  2. Filed Aug 20, 2026TXElectrical SystemTransmission & Drivetrain
    On 8/3/26, my 2021 Audi Q5 began throwing numerous different malfunction/error alerts and the engine turned off while driving after a bottle of water had partially spilled onto our backseat behind the drivers side. The vehicle was towed to a nearby mechanic who determined that liquid damaged the gateway control module located under the backseat of the vehicle, as the gateway control module is placed in a "protective cover" (an unsealed plastic bag) and that bag visibly had…
    NHTSA complaint #11758347 · source
  3. Filed Jun 22, 2026FLElectrical SystemEngineFuel, Hybrid & EV Propulsion
    If I have a sensor that will malfunction due to water then there should be a water indicator alert. My sunroof vent was blocked and water went into my trunk where the core module is. I had just come to a red light to turn on to a major highway and my car began to smell like fuel. I rolled down the windows and realized the smell was not as strong as inside. The light turned green and as I stepped on the gas the car went into limp mode as I was in the middle of my turn. The…
    NHTSA complaint #11745545 · source
  4. Filed Feb 24, 202637,200 miMITowedBody & StructureElectrical System
    The contact owns a 2021 Audi Q5. The contact stated that while driving at an undisclosed speed, several unknown warning lights illuminated, and the vehicle stalled. Additionally, the windows independently rolled up and down, and the engine seized. While attempting to start the vehicle, the vehicle failed to start. The contact stated that the failure had occurred three times within five days. The vehicle was towed to the dealer where it was purchased. The failure was…
    NHTSA complaint #11720211 · source
  5. Filed Feb 14, 2026NYElectrical SystemOther / Unknown
    The safety situation happened when my wife's car got stuck while driving at about 25-30 MPH in the middle of the road.Next day At the nearest Audi service center they found that water has gotten into the rear of the trunk and damaged the electronic module which caused the car to stall.The first repair was estimate at 4600 $ .After the repair the car was inoperable.The next repair was estimated at another 4 700 $.After the second repair the car was inoperable again and the…
    NHTSA complaint #11718005 · source
  6. Filed Feb 4, 2026CAElectrical SystemEngineTransmission & Drivetrain
    Control module located under rear seat became slightly wet from spilled liquid, and failed. Engine and electrical failure as a result of control module failure. Audi refuses to cover damages as warranty period is over. Vehicle design is defective.
    NHTSA complaint #11715668 · source
  7. Filed Oct 9, 2025NHBrakesElectrical SystemSteering
    The Gateway control module failed in September 2025 on my 2021 Audi Q5. Vehicle error messages included the following failures: Cruise control, Parking brake, transmission, brakes, and steering, windows rolled down, seats moved, dash and MMI black followed by a sudden loss of power, narrowly avoiding an accident (kids in car). Would not restart. Diagnosis by Audi dealer was that the Gateway control module got wet and needed to be replaced. This is Recall 90S9 from 2021 that…
    NHTSA complaint #11692317 · source
  8. Filed Aug 4, 2025KSDriver Assistance & Safety TechElectrical System
    While driving on the highway (70mph) at night, my instrument panel went completely dark. I was not able to see the speed I was driving and my warning sounds/lights were not working. The dealer could not get me an appointment for 4 weeks so I took it to a mechanic who specializes in European cars. The diagnostics indicated a loss of power to the instrument cluster/panel. I was told there was an active recall for this issue, but my VIN was not included. As this is a safety…
    NHTSA complaint #11678159 · source
  9. Filed May 14, 2025CAElectrical System
    Virtual dashboard where speedometer and safety warning are displayed has stopped working. Display has completely shut down. I cannot see any critical information to drive vehicle. I contacted the dealership to address a serious safety concern that mirrors an issue already under active recall for other models by the manufacturer. Despite this, the dealership has refused to perform any inspection or repairs, stating that my specific model is not currently included in the…
    NHTSA complaint #11661004 · source
  10. Filed Apr 11, 2025FLElectrical SystemOther / UnknownAcceleration & Cruise Control
    The instrument panel cluster assembly (screen behind steering wheel) needed to be replaced because it would intermittently stop working and I had no idea of how fast I was going, what gear I was in, how much fuel I had or whether the lane assist and other safety features were working. Without knowing speed, I may have followed cars too closely to safely stop or I could have run out of gas and left stranded somewhere. I thought it might have been software updates occurring…
    NHTSA complaint #11654027 · source
  11. Filed Nov 30, 2024CAElectrical System
    Gateway control module shutdown. After a rain storm vehicle had electrical issues such as rear light turning off, and engine start malfunction alarm on dashboard. To vehicle automatically stoping with no vehicle nearby, seat belt tightening and to engine seized while driving to the dealer for the “engine start malfunction alarm”. The Audi dealer is quoting us $17,000 to repair for damages. Multiple people on this post have also had this issue with one going on 4 months…
    NHTSA complaint #11628102 · source
  12. Filed Jun 1, 2024OHElectrical System
    Warning lights came on and car completely stopped. Towed to dealer where we were told that Gateway control module part no 80C907468F has failed due to water damage. Dealer informed us that this is not covered by warranty for this reason. We do not believe we spilt any water there as it is located under the back passenger seat. We asked dealer to proceed with repair when we were informed that the part is on back order. We assumed this would be a matter of days or perhaps few…
    NHTSA complaint #11591936 · source

Other 2021 Audi Q5 problem areas

  • Engine (18)
  • Transmission & Drivetrain (13)
  • Driver Assistance & Safety Tech (12)
  • Other / Unknown (9)
  • Fuel, Hybrid & EV Propulsion (6)
  • Brakes (4)
  • Wheels & Tires (3)
  • Body & Structure (3)
  • Steering (3)
  • Visibility & Wipers (3)
  • Airbags (1)
  • Lighting (1)
  • Acceleration & Cruise Control (1)

Back to all 2021 Audi Q5 problems →

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology