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2019-2026 Audi Q8 Problems: 12 Known Issues

2019-2026 model years · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019-2026 Audi Q8 has 12 documented known issues, with 3 rated critical. The most serious are 2019-2026 Q8 Rearview-Camera Software Recall 90TV (25V900), 2019 Q8 Front Shock-Absorber Fork Recall 40O4 (19V114) - Check VIN and 2019-2021 Q8 V6 Fuel-Delivery-Module Recall 20DR (22V516). Across all issues with published estimates, repair costs range from $150 to $3,500. DIY maintenance guides at au7o.io.

In This Article

  • Q8 Suspension2
  • Q8 Safety/Recalls1
  • Q8 Fuel System1
  • Q8 Electrical2
  • Q8 Engine2
  • Q8 Transmission1
  • Q8 Cooling1
  • Q8 Body/Panels1
  • Q8 Brakes1
  • Recalls6
  • FAQ
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In This Article

  • Suspension2
  • Safety/Recalls1
  • Fuel System1
  • Electrical2
  • Engine2
  • Transmission1
  • Cooling1
  • Body/Panels1
  • Brakes1
  • Recalls6
  • FAQ

All 12 Known Issues

NHTSA Recalls6 recalls

AIR BAGS:SIDE/WINDOW

Volkswagen Group of America, Inc. (Audi) is recalling certain 2023-2024 SQ8, RSQ8, Q8, Q7, and 2024 SQ7 vehicles. The driver's seat side air bag may have been improperly mounted to the seatback frame. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 214, "Side Impact Protection."

Campaign #23V86800020/12/2023

AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2023 Audi S5 Cabriolet, A4 Allroad, Q5 Sportback, A3 Sedan, S5 Sportback, SQ7, TT Coupe, TT Roadster, RS5 Sportback, 2024 A8, E-Tron Quattro, E-Tron Sportback Quattro, Q8, RSQ8, 2023-2024 Q3, Q5, and Q7 vehicles. An electrical connection in the front passenger seat for the occupant detection system (ODS) control module may loosen and deactivate the front passenger air bag.

Campaign #24V25100003/04/2024

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 from displaying as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

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Frequently Asked Questions

What are the most common Audi Q8 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019-2026 Audi Q8 has 12 documented issues. The most frequently reported are: 2019-2026 Q8 Rearview-Camera Software Recall 90TV (25V900), 2019 Q8 Front Shock-Absorber Fork Recall 40O4 (19V114) - Check VIN, 2019-2021 Q8 V6 Fuel-Delivery-Module Recall 20DR (22V516). Of these, 3 are rated critical and should be addressed promptly.

Is the Audi Q8 reliable?

The 2019-2026 Audi Q8 has 12 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 3 issues are rated critical: 2019-2026 Q8 Rearview-Camera Software Recall 90TV (25V900) and 2019 Q8 Front Shock-Absorber Fork Recall 40O4 (19V114) - Check VIN and 2019-2021 Q8 V6 Fuel-Delivery-Module Recall 20DR (22V516). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Audi Q8 problems?

Repair costs for known Audi Q8 issues range from $150 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What year Audi Q8 is the most reliable?

Reliability varies across model years of the Audi Q8. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2019-2026 Audi Q8 with 12 documented issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports.

What is the 2019-2026 Audi Q8 2019-2026 Q8 Rearview-Camera Software Recall 90TV (25V900)?

Certain 2019-2026 Audi Q8 vehicles are included in NHTSA recall 25V900 / Audi 90TV because driver-assistance software can prevent the rearview-camera image from displaying. A missing rearview image reduces visibility while reversing and increases crash risk. Eligibility depends o… Severity: high.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.

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Certain 2019 Audi Q8 vehicles are covered by Safety Recall 40O4 / NHTSA 19V114. Audi states that a front shock-absorber fork may crack, allowing the shock absorber to loosen and the tire to contact the wheel housing, which can affect steering control and increase crash risk. Only a small VIN-defined population is affected; model year alone is not eligibility.

Common Symptoms

  • VIN is included in open recall 40O4
  • Possible change in steering control if the fork cracks

How to Fix

Check the VIN for open recall 40O4 with Audi or NHTSA and contact an authorized Audi dealer. The dealer replaces the affected front shock-absorber fork free of charge. Do not buy a fork from this card or assume a generic suspension noise proves the recall condition.

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NHTSA Verified
High ConfidenceVerifiedReviewed Jul 2026

Audi TSB 2059363/6 applies to air-suspension-equipped 2019-2025 Q8 vehicles when the instrument cluster reports an air-suspension malfunction and suspension control unit J775 stores C1260F0 for no communication or U112100 for a missing message, both with symptom code 262400. The bulletin identifies communication with compressor-control unit J1135; it does not establish universal air-spring, strut or compressor wear.

This issue also affects: Audi e-tron, Audi A8, Audi RS Q8

Common Symptoms

  • Air-suspension malfunction warning in the instrument cluster

How to Fix

Inspect the wiring and connector contacts between J775 and J1135 before replacing a component. For a first passive or sporadic occurrence, clear the fault and release the vehicle. If the same passive fault returns a second time, or the fault is active or static after wiring inspection, Audi directs replacement of J1135 under current repair and parts information. Do not buy struts, springs, a compressor or a conversion kit solely from this warning.

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Manually Verified
High ConfidenceVerifiedReviewed Jul 2026

Certain 2019-2026 Audi Q8 vehicles are included in NHTSA recall 25V900 / Audi 90TV because driver-assistance software can prevent the rearview-camera image from displaying. A missing rearview image reduces visibility while reversing and increases crash risk. Eligibility depends on the VIN and installed parts and software, not model year alone. The recall does not establish universal dual-screen freezing, phantom touches or hardware failure.

Common Symptoms

  • Rearview camera image does not display

How to Fix

Check the VIN for recall 25V900/90TV and contact an authorized Audi dealer. Dealers install more robust driver-assistance software free of charge. Until repaired, use extra caution when reversing. A hard reset, scan tool, relay, multimeter or temporary image recovery is not completion of the recall.

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NHTSA Verified
High ConfidenceVerifiedReviewed Jul 2026

Certain 2019-2021 Audi Q8 V6 vehicles are covered by NHTSA recall 22V516 / Audi 20DR. A component inside the fuel-delivery module can break and damage the pressure-regulator sealing membrane. The emissions-control warning usually illuminates, and rough running or a no-start can occur; in rare cases the engine can stall while driving without a prior warning, increasing crash risk. Eligibility is VIN-specific.

This issue also affects: Audi 90, Audi Cabriolet

Common Symptoms

  • Emissions-control-system warning
  • Rough engine running
  • Engine no-start
  • Rare loss of engine power or stall

How to Fix

Check the VIN for open recall 20DR and contact an authorized Audi dealer. The recall remedy replaces the fuel-delivery module with the improved version. Do not purchase the old or improved module from this card or attempt an in-tank repair based only on the model year.

Find a Audi dealer

Choose to share your location for this search, or enter an area below. Your search location is sent to Google to find dealers.

Open Audi dealer map in Google Maps ↗

Call to confirm they service Audi vehicles and check your VIN, recall eligibility, parts availability, and appointment options.

Research This Issue

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NHTSA Verified
High ConfidenceVerifiedReviewed Jul 2026

Audi Service Action 27BQ includes certain 2019-2024 Q8 vehicles equipped with a 48V belt starter-alternator. Audi states that an affected unit can inhibit start-stop operation and increase emissions while stopped, while emissions remain within certification standards. Model year alone does not establish eligibility: the VIN must show 27BQ open. A generic electrical warning, rough restart or U046900 by itself does not prove starter-alternator failure.

Common Symptoms

  • Start-stop function unavailable on a VIN with Service Action 27BQ open
  • Electrical-system warning requiring Audi guided diagnosis

How to Fix

Check the VIN and current campaign status with an Audi dealer. If 27BQ is open, the dealer follows the campaign procedure and replaces the starter-alternator at no cost when directed. If the action is not open, use Audi guided diagnostics: current bulletins distinguish a replacement result from sensor and CAN faults that replacement will not fix. Do not buy a 12V battery, charger or starter from this card.

Find a Audi dealer

Choose to share your location for this search, or enter an area below. Your search location is sent to Google to find dealers.

Open Audi dealer map in Google Maps ↗

Call to confirm they service Audi vehicles and check your VIN, recall eligibility, parts availability, and appointment options.

Research This Issue

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Manually Verified
High ConfidenceVerifiedReviewed Jul 2026

The Q8 (2019-2023) experiences MMI infotainment system failures including touchscreen freezing, system not booting, random reboots, and backup camera failures. Similar to other modern Audis, the complex electronics suffer from software glitches and module failures. Owners also report parking sensor malfunctions, warning lights, and battery drain. Most issues improve with software updates but some require MMI unit replacement ($2,000-$3,500). While frustrating, most are not safety-critical.

Common Symptoms

  • MMI touchscreen frozen
  • System won't turn on
  • Random reboots
  • Backup camera black screen
  • Parking sensors malfunction
  • Battery drain
  • Warning lights

How to Fix

MMI hard reset (hold power + volume up 10 seconds). If persistent, dealer software update ($150-$300). For severe cases: MMI replacement ($2,000-$3,500). Most covered under 4-year/50k warranty.

Typical repair cost:$150 - $3,500

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Community Reported
Medium Confidence

The Audi Q8 with the 3.0T V6 engine (2019-2023) suffers from severe carbon buildup on intake valves due to direct injection design. Similar to other Audi DI engines, fuel bypasses intake valves, leaving them exposed only to oil vapors from the PCV system which bake into hard carbon deposits. Over 60,000-100,000 miles, carbon restricts airflow causing rough idle, misfires, hesitation, and power loss. The 3.0T in the Q8 is particularly susceptible due to higher performance and oil vapor pressure. The ONLY effective fix is walnut blasting every 60,000 miles. This is preventive maintenance, not optional. Failure to clean can cause valve damage requiring engine work on the Q8's expensive V6.

This issue also affects: Audi S7, Audi S8, Audi A4

Common Symptoms

  • Rough or unstable idle
  • Hesitation on acceleration
  • Noticeable power loss
  • Poor fuel economy (3-4 MPG drop)
  • Check engine light with misfire codes
  • Engine runs rough when cold
  • Hard starting

How to Fix

WALNUT BLASTING: Remove intake manifold and blast walnut shells through intake ports ($900-$1,500). Requires specialized equipment. Repeat every 60,000 miles as PREVENTIVE maintenance. PREVENTION: Install catch can ($400-$600) to filter PCV vapors—extends interval to 100k+ miles. Add Liqui Moly Intake Valve Cleaner to every oil change. Change oil every 5,000 miles.

Typical repair cost:$900 - $1,500

Research This Issue

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Community Reported
Medium Confidence

The plastic crankcase oil separator / PCV assembly on the EA839 3.0 TFSI can crack or clog with sludge, dumping oil mist into the intake tract and disturbing crankcase pressure regulation. This contributes to elevated oil consumption, rough idle, extended cranking, oil-fouled spark plugs, and lean/misfire fault codes. Because the assembly sits beneath the intake manifold, the repair is labor-intensive (engine cover, intake manifold, and turbo inlet pipe must come off), turning a small part into a multi-hour job.

This issue also affects: Audi A4, Audi S8, Audi A1

Common Symptoms

  • Rough idle
  • Extended cranking / hard start
  • Increased oil consumption
  • Check engine light
  • Whistling/hissing from crankcase ventilation
  • Oil-fouled spark plugs

How to Fix

Replace the cracked oil separator / PCV valve assembly with the updated part, inspect the intake and spark plugs for oil fouling, and reseal the intake manifold. Monitor oil level between services; perform a consumption test if usage exceeds Audi's threshold.

Typical repair cost:$500 - $1,100

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Community Reported
Medium ConfidenceVerifiedReviewed Jun 2026

Owners report the ZF-based 8-speed Tiptronic automatic exhibiting harsh or jerky gear changes, a 'clunk' or 'jolt' on engagement, hesitation, and unclean shifts — most noticeable on low-speed downshifts, 1-2 upshifts, and (on RS Q8) under manual shifting above ~3,500 rpm. Causes range from degraded/low transmission fluid and adaptation drift to worn transmission/engine mounts. Some owners report dealers initially calling the behavior 'normal.'

Common Symptoms

  • Harsh / jerky gear changes
  • Clunk or jolt on shift
  • Delayed engagement from Park/Drive
  • Hesitation between gears
  • Gearbox slipping feel

How to Fix

Perform a full ZF 8HP transmission fluid and filter (pan) service with the correct Audi-spec fluid, then run the gearbox adaptation/relearn procedure. Update the transmission control module software if a TSB applies. Inspect transmission and engine mounts and replace if collapsed.

Typical repair cost:$400 - $900

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Community Reported
High ConfidenceVerifiedReviewed Jun 2026

Audi TSB 2070349/4 applies to 2019-2024 Q8 V6 TFSI vehicles with coolant loss, a coolant warning or an engine warning when the coolant pump is suspected. Audi requires precise leak confirmation: a small trace in the drip cup can be normal and dried deposits at the vacuum connection alone do not prove a leak. In individual confirmed cases, coolant can contaminate change-over valve N649 and produce P0299 as a secondary condition.

This issue also affects: Audi A1, Audi A3, Audi A6

Common Symptoms

  • Coolant loss or visible leak
  • Coolant warning lamp
  • Engine warning lamp with a confirmed coolant-pump leak

How to Fix

Have the suspected area cleaned and dried, fill the cooling system correctly, inspect at idle and up to about 2,500 rpm, and pressure-test it per Audi repair information. If no leak returns, continue to observe without replacing parts. Replace only the component proven to leak and inspect the vacuum path and N649 when P0299 is present. Do not order a pump from this card without confirmation.

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Manually Verified
High ConfidenceVerifiedReviewed Jul 2026

Audi TSB 2056944/10 applies to 2019-2021 Q8 vehicles when water drips from the headliner area. Audi requires inspection of four possible paths: a blocked, pinched or kinked drain hose or outlet; a detached or malformed roof-opening seal; incorrect glass-panel adjustment; or water breaching normal channeling around the wind deflector. The bulletin does not support a universal cracked tray or full sunroof-frame replacement.

Common Symptoms

  • Water dripping from the headliner area

How to Fix

Have all four bulletin branches inspected and water-flow tested. Clear a drain obstruction or replace a damaged hose or valve, replace a damaged opening seal, correct glass adjustment, and perform the specified wind-deflector and channel modifications when applicable. Replace the sunroof frame only when actual structural damage is found. Do not order a frame from this card.

Research This Issue

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Manually Verified
High ConfidenceVerifiedReviewed Jul 2026

Heavy Q8 (and shared Q7 platform) vehicles with large 21-inch-plus wheels and coated rotors suffer rapid surface rust on rotors when parked or driven in wet/salted conditions. The Geomet/zinc coating wears off the friction surface, and rust forms on the rotor hat, edges, and vents, producing squeal as pads scrub it off. Combined with the SUV's weight, owners report premature pad and rotor wear, brake pulsation/vibration from uneven rotor deposits, and noise. Replacement parts are expensive due to rotor size.

Common Symptoms

  • Brake squeal, especially when cold/after rain
  • Visible rust on rotor surface and edges
  • Steering-wheel or pedal pulsation when braking
  • Premature pad and rotor wear
  • Grinding noise

How to Fix

For light surface rust, normal braking usually clears it; for noise, refinish or replace rotors and fit OEM-spec pads with proper bedding-in. Apply high-temp anti-seize/lubricant on contact points and ensure caliper slides move freely. Replace warped or deeply corroded rotors in axle sets.

Typical repair cost:$400 - $1,400

Research This Issue

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Community Reported
Low ConfidenceVerifiedReviewed Jun 2026
Campaign #25V90000019/12/2025

SEAT BELTS:FRONT:ANCHORAGE

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2025 Audi RS Q8, Audi Q8, Audi Q7, and Audi SQ8 vehicles. The driver and front passenger seat belt buckles may be missing a rivet that secures the buckle to the seat belt stalk.

Campaign #25V77700012/11/2025

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi A8 and S8, 2022 Audi A5 Sportback, A4 Sedan, E-Tron GT, Q3, Q5, RS6 Avant, A3 Sedan, S5 Sportback, Q5 Sportback, Q7, Q8, RSQ8, SQ7, SQ8, and S3 Sedan vehicles. A software error may prevent the rear-view image from initially displaying when the vehicle begins to reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Campaign #21V82500020/10/2021

+ 1 more recalls. Check all on NHTSA.gov

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

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What is the 2019 Audi Q8 2019 Q8 Front Shock-Absorber Fork Recall 40O4 (19V114) - Check VIN?

Certain 2019 Audi Q8 vehicles are covered by Safety Recall 40O4 / NHTSA 19V114. Audi states that a front shock-absorber fork may crack, allowing the shock absorber to loosen and the tire to contact the wheel housing, which can affect steering control and increase crash risk. Only… Severity: high.

What is the 2019-2021 Audi Q8 2019-2021 Q8 V6 Fuel-Delivery-Module Recall 20DR (22V516)?

Certain 2019-2021 Audi Q8 V6 vehicles are covered by NHTSA recall 22V516 / Audi 20DR. A component inside the fuel-delivery module can break and damage the pressure-regulator sealing membrane. The emissions-control warning usually illuminates, and rough running or a no-start can o… Severity: high.

What is the 2019-2024 Audi Q8 2019-2024 Q8 Starter-Alternator Service Action 27BQ - Check VIN?

Audi Service Action 27BQ includes certain 2019-2024 Q8 vehicles equipped with a 48V belt starter-alternator. Audi states that an affected unit can inhibit start-stop operation and increase emissions while stopped, while emissions remain within certification standards. Model year… Severity: medium.

What is the 2019-2023 Audi Q8 8-Speed Tiptronic Harsh Shifting, Jolt and Delayed Engagement?

Owners report the ZF-based 8-speed Tiptronic automatic exhibiting harsh or jerky gear changes, a 'clunk' or 'jolt' on engagement, hesitation, and unclean shifts — most noticeable on low-speed downshifts, 1-2 upshifts, and (on RS Q8) under manual shifting above ~3,500 rpm. Causes… Repairs typically run $400-$900. Severity: medium.

What is the 2019-2023 Audi Q8 Severe Carbon Buildup on Intake Valves (3.0T)?

The Audi Q8 with the 3.0T V6 engine (2019-2023) suffers from severe carbon buildup on intake valves due to direct injection design. Similar to other Audi DI engines, fuel bypasses intake valves, leaving them exposed only to oil vapors from the PCV system which bake into hard carb… Repairs typically run $900-$1,500. Severity: medium.

What is the 2019-2023 Audi Q8 Oil Separator / PCV Valve Failure and Elevated Oil Consumption (3.0T)?

The plastic crankcase oil separator / PCV assembly on the EA839 3.0 TFSI can crack or clog with sludge, dumping oil mist into the intake tract and disturbing crankcase pressure regulation. This contributes to elevated oil consumption, rough idle, extended cranking, oil-fouled spa… Repairs typically run $500-$1,100. Severity: medium.

What is the 2019-2024 Audi Q8 2019-2024 Q8 V6 Coolant-Pump Leak Diagnosis - TSB 2070349/4?

Audi TSB 2070349/4 applies to 2019-2024 Q8 V6 TFSI vehicles with coolant loss, a coolant warning or an engine warning when the coolant pump is suspected. Audi requires precise leak confirmation: a small trace in the drip cup can be normal and dried deposits at the vacuum connecti… Severity: medium.

What is the 2019-2021 Audi Q8 2019-2021 Q8 Water Entry from Sunroof Area - TSB 2056944/10?

Audi TSB 2056944/10 applies to 2019-2021 Q8 vehicles when water drips from the headliner area. Audi requires inspection of four possible paths: a blocked, pinched or kinked drain hose or outlet; a detached or malformed roof-opening seal; incorrect glass-panel adjustment; or water… Severity: medium.

What is the 2019-2025 Audi Q8 2019-2025 Q8 Air-Suspension J1135 Communication Fault - TSB 2059363/6?

Audi TSB 2059363/6 applies to air-suspension-equipped 2019-2025 Q8 vehicles when the instrument cluster reports an air-suspension malfunction and suspension control unit J775 stores C1260F0 for no communication or U112100 for a missing message, both with symptom code 262400. The… Severity: medium.

What is the 2019-2024 Audi Q8 Front Brake Rotor Corrosion and Premature Pad/Rotor Wear?

Heavy Q8 (and shared Q7 platform) vehicles with large 21-inch-plus wheels and coated rotors suffer rapid surface rust on rotors when parked or driven in wet/salted conditions. The Geomet/zinc coating wears off the friction surface, and rust forms on the rotor hat, edges, and vent… Repairs typically run $400-$1,400. Severity: low.

What is the 2019-2023 Audi Q8 MMI Infotainment and Electrical Issues?

The Q8 (2019-2023) experiences MMI infotainment system failures including touchscreen freezing, system not booting, random reboots, and backup camera failures. Similar to other modern Audis, the complex electronics suffer from software glitches and module failures. Owners also re… Repairs typically run $150-$3,500. Severity: low.