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Audi · Known Issues

2019 Audi A8 Problems: 3 Known Issues

2019 model year · 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 Audi A8 has 3 documented known issues. None of the listed issues is rated critical; this is not a complete reliability assessment. Across all issues with published estimates, repair costs range from $200 to $2,500. DIY maintenance guides at au7o.io.

In This Article

  • A8 Suspension1
  • A8 Engine1
  • A8 Electrical1
  • Recalls12
  • FAQ
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In This Article

  • Suspension1
  • Engine1
  • Electrical1
  • Recalls12
  • FAQ

All 3 Known Issues

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On the 2019-2025 Audi A8, on air-suspension-equipped 2019-2025 Audi A8 vehicles, the cluster may show an air-suspension malfunction warning while the suspension controller stores C1260F0 or U112100 with symptom code 262400. Audi directs diagnosis toward communication, wiring and connector contacts between the suspension controller and compressor control module; the bulletin does not establish that every warning is a failed compressor, leaking spring or collapsed suspension.

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

Common Symptoms

  • Air-suspension malfunction warning in the instrument cluster

How to Fix

Record the complete DTC and symptom code and have an Audi-capable technician inspect the specified wiring and connector contacts. If no wiring or contact problem is found, continue the guided procedure in current Audi service information. Do not replace a compressor, spring or relay from this card alone.

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Manually Verified
High ConfidenceVerifiedReviewed Jul 2026

On the 2011-2023 Audi A8, all A8 models with direct-injection engines (3.0T, 4.0T, 60 TFSI) suffer from severe carbon buildup on intake valves. In direct-injection engines, fuel bypasses the intake valves, leaving them exposed only to oil vapors from the PCV system. These vapors bake onto valve backs as hard carbon deposits over 60,000-100,000 miles. Carbon restricts airflow, causing rough idle, misfires, hesitation, and power loss. The high-performance engines in the A8 are particularly susceptible due to higher oil vapor pressure. The ONLY effective fix is walnut blasting every 60,000 miles. This is preventive maintenance, not optional. Failure to clean carbon can cause valve damage requiring engine replacement on the A8's expensive V6/V8 engines.

This issue also affects: Audi A5, Audi Q7, Audi RS7

Common Symptoms

  • Rough or unstable idle
  • Hesitation or stumbling on acceleration
  • Noticeable power loss
  • Poor fuel economy (3-5 MPG drop)
  • Check engine light with misfire codes (P0300-P0308)
  • Engine runs rough when cold
  • Hard starting or extended cranking

How to Fix

WALNUT BLASTING: Remove intake manifold and blast crushed walnut shells through intake ports ($1,000-$1,800 for A8 due to packaging complexity). Requires specialized equipment. Repeat every 60,000 miles as PREVENTIVE maintenance. PREVENTION: Install catch can ($400-$700) to filter PCV vapors—extends cleaning interval to 100k+ miles. Add Liqui Moly Intake Valve Cleaner to every oil change. Change oil every 5,000 miles to reduce vapor contamination. Budget for this as routine maintenance.

Typical repair cost:$1,000 - $1,800

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Community Reported
Medium Confidence

On the 2011-2023 Audi A8, the A8 is prone to various electrical gremlins due to its complex electronics and luxury features. Common issues include parking sensor malfunctions, blind spot monitoring failures, tire pressure sensor errors, climate control glitches, warning lights that come and go, and battery drain from parasitic draw. The D5 generation (2018+) experiences "Drive System Malfunction" and "Electric Fault" messages causing sudden loss of power and limp mode. Many electrical issues are caused by aging control modules, corroded connectors, software bugs, or weak batteries. While frustrating and expensive to diagnose ($150-$300 diagnostic fee), most electrical issues are not safety-critical. Dealership electrical diagnostics and repairs are expensive due to A8's complexity.

Common Symptoms

  • Parking sensors beeping constantly or not working
  • Blind spot monitoring warning light
  • Tire pressure warnings with correct pressure
  • Climate control stuck or not responding
  • "Drive System Malfunction" message (D5)
  • Battery dies after sitting 3-4 days
  • Random warning lights that come and go
  • Power loss and limp mode (D5)

How to Fix

For SENSOR issues: Dealer diagnostic scan ($150-$300) to identify failed sensor. Replace specific sensor ($200-$600 per sensor installed). For BATTERY drain: Parasitic draw test to identify faulty module ($150-$300 diagnostic). Common culprits: trunk electronics, MMI, comfort modules. For "DRIVE SYSTEM MALFUNCTION": Update control module software at dealer ($200-$400). If persistent, may require module replacement ($1,000-$2,500). Most electrical issues covered under 4-year/50k warranty. After warranty, prioritize safety-critical repairs only—live with minor annoyances.

Typical repair cost:$200 - $2,500

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Community Reported
Medium Confidence
NHTSA Recalls12 recalls

EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT

Volkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 AUDI A8, A6 Allroad, E-TRON Quattro, 2022 S3, RSQ8, RS7, RS6 Avant, Q8, Q7, Q3, E-TRON Sportback Quattro, S5 Cabriolet, E-TRON GT, S5 Sportback, A7, A6, A5 Sportback, A5 Cabriolet, A4, A4 Allroad, A3, S8, SQ7, SQ8, S6, and S4 vehicles. The infotainment main unit may become damaged internally when the vehicle is shut off, resulting in an inoperative rearview camera display the next time the vehicle is started. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Campaign #22V80600026/10/2022

AIR BAGS:FRONTAL

Volkswagen Group of America, Inc. (Audi) is recalling certain 2022-2023 S8 and A8 vehicles. During air bag assembly, the front-passenger occupant protection flap of the air bag may not have been folded correctly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

Campaign #23V08400015/02/2023

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

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Frequently Asked Questions

What are the most common Audi A8 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Audi A8 has 3 documented issues. The most frequently reported are: 2019-2025 A8 Air-Suspension Warning C1260F0/U112100 - TSB 2059363/6, Severe Carbon Buildup on Intake Valves, Electrical Faults and Sensor Malfunctions. None are rated critical, but regular maintenance is recommended.

Is the Audi A8 reliable?

The 2019 Audi A8 has 3 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. None of the matching records is rated critical; this is not a complete reliability assessment. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Audi A8 problems?

Repair costs for known Audi A8 issues range from $200 to $2,500, 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 is the 2019-2025 Audi A8 2019-2025 A8 Air-Suspension Warning C1260F0/U112100 - TSB 2059363/6?

On air-suspension-equipped 2019-2025 Audi A8 vehicles, the cluster may show an air-suspension malfunction warning while the suspension controller stores C1260F0 or U112100 with symptom code 262400. Audi directs diagnosis toward communication, wiring and connector contacts between… Severity: medium.

What is the 2011-2023 Audi A8 Severe Carbon Buildup on Intake Valves?

All A8 models with direct-injection engines (3.0T, 4.0T, 60 TFSI) suffer from severe carbon buildup on intake valves. In direct-injection engines, fuel bypasses the intake valves, leaving them exposed only to oil vapors from the PCV system. These vapors bake onto valve backs as h… Repairs typically run $1,000-$1,800. Severity: medium.

What is the 2011-2023 Audi A8 Electrical Faults and Sensor Malfunctions?

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.

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."

Campaign #25V90000019/12/2025

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 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

+ 7 more recalls. Check all on NHTSA.gov

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

The A8 is prone to various electrical gremlins due to its complex electronics and luxury features. Common issues include parking sensor malfunctions, blind spot monitoring failures, tire pressure sensor errors, climate control glitches, warning lights that come and go, and batter… Repairs typically run $200-$2,500. Severity: low.