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Audi · Known Issues

2009-2020, 2022-2024 Audi A3 Problems & Issues

2009-2020, 2022-2024 model years · 2,880+ owner reports · Updated September 2026

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Issue summary

According to Au7o's analysis of 2,880+ owner reports, the 2009-2020, 2022-2024 Audi A3 has 12 documented known issues, with 6 rated critical. The most serious are Turbocharger Failure ($1,200-$3,500 repair), 2022 Audi A3 Infotainment Main-Unit Recall 22V806, Panoramic Sunroof Glass Cracking or Exploding and Sunroof Frame/Rattle Problems ($500-$3,000 repair), Recall 09V333000: DSG Temperature Sensor Wiring Can Drop the A3 Into Neutral, DQ381/DQ250 S tronic Mechatronic or Internal Transmission Fault Causing No-Drive, Jerking, or Gearbox Warning ($600-$8,000 repair) and 2010-2012 Audi A3 2.0L TDI Injector-Line Recall 11V490. The most commonly reported issue is DPF (Diesel Particulate Filter) Clogging with 1,100 owner reports. Across all issues with published estimates, repair costs range from $150 to $8,000. DIY maintenance guides at au7o.io.

In This Article

  • A3 Transmission2
  • A3 Engine4
  • A3 Electrical1
  • A3 Body/Panels1
  • A3 Fuel System1
  • A3 Drivetrain1
  • A3 Emissions1
  • A3 Cooling1
  • Recalls11
  • FAQ
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In This Article

  • Transmission2
  • Engine4
  • Electrical1
  • Body/Panels1
  • Fuel System1
  • Drivetrain1
  • Emissions1
  • Cooling1
  • Recalls11
  • FAQ

All 12 Known Issues

NHTSA Recalls11 recalls

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

CHILD SEAT:VEHICLE LATCH ANCHOR

Volkswagen Group of America, Inc. (Audi) is recalling certain 2022 A3 Sedan and S3 Sedan vehicles. The child seat anchorage fitting sleeves are incorrectly marked with a different symbol than the one described in the owner's manual. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 225, "Child Restraint Anchorage Systems."

Campaign #22V22400006/04/2022

SEAT BELTS:PRETENSIONER

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2022 Audi S3 and A3 sedans. The retention force of the seat belt tensioner on the driver and front passenger seats may be inadequate to properly restrain the occupants during a crash.

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Frequently Asked Questions

What are the most common Audi A3 problems?

According to Au7o's analysis of 2,880+ owner reports, the 2009-2020, 2022-2024 Audi A3 has 12 documented issues. The most frequently reported are: Turbocharger Failure, 2022 Audi A3 Infotainment Main-Unit Recall 22V806, Panoramic Sunroof Glass Cracking or Exploding and Sunroof Frame/Rattle Problems. Of these, 6 are rated critical and should be addressed promptly.

Is the Audi A3 reliable?

The 2009-2020, 2022-2024 Audi A3 has 12 known issues documented across 2,880+ owner reports. 6 issues are rated critical: Turbocharger Failure and 2022 Audi A3 Infotainment Main-Unit Recall 22V806 and Panoramic Sunroof Glass Cracking or Exploding and Sunroof Frame/Rattle Problems and Recall 09V333000: DSG Temperature Sensor Wiring Can Drop the A3 Into Neutral and DQ381/DQ250 S tronic Mechatronic or Internal Transmission Fault Causing No-Drive, Jerking, or Gearbox Warning and 2010-2012 Audi A3 2.0L TDI Injector-Line Recall 11V490. 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 A3 problems?

Repair costs for known Audi A3 issues range from $150 to $8,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Turbocharger Failure, typically costs $1,200-$3,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What year Audi A3 is the most reliable?

Reliability varies across model years of the Audi A3. 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 2009-2020, 2022-2024 Audi A3 with 12 documented issues documented across 2,880+ owner reports.

What is the 2010-2015 Audi A3 Turbocharger Failure?

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 sourced from 2,880+ owner reports, NHTSA recalls, TSBs, and automotive forums.

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ALL YEARS202420232022202020192018201720162015201420132012201120102009

When Issues Typically Appear

Panoramic Sunroof Glass Cracking or Exploding and Sunroof Frame/Rattle Problems
5K-80K
DQ381/DQ250 S tronic Mechatronic or Internal Transmission Fault Causing No-Drive, Jerking, or Gearbox Warning
20K-90K
Haldex AWD Pump/Filter Contamination Leading to Rear AWD Loss on Quattro Models
30K-100K
Turbocharger Failure
100K-150K
038K75K113K150K mi

If your Audi A3 is a 2009 or 2010 model built with the DSG dual-clutch automatic, it may fall under NHTSA recall 09V333000. The defect is in the wiring harness for a temperature sensor inside the gearbox: some connector wires were insufficiently crimped at the factory. That weak crimp can cause the sensor to falsely detect high gearbox oil temperature, and the transmission protects itself by abruptly shifting to neutral. The driver's first clue is the selector lever position indicator flashing in the instrument panel along with the "depress brake pedal" warning light, which prompts the driver to apply the brake. NHTSA's stated consequence is blunt — an abrupt shift to neutral could lead to a crash without warning, since drive can be lost mid-manoeuvre. Affected cars were manufactured between September 2008 and August 2009. About 16,000 vehicles were covered campaign-wide across all models included, a figure that spans the whole recall rather than the A3 specifically.

This issue also affects: Audi TT

Common Symptoms

  • Abrupt shift into neutral with no warning
  • Flashing selector lever position indicator in the instrument cluster
  • "Depress brake pedal" indicator illuminated
  • Vehicle loses drive while under way

How to Fix

Audi dealers perform the fix free of charge by reprogramming the transmission control module with updated software, so a false temperature reading no longer triggers the shift to neutral. This is a software flash, not a mechanical teardown, and it is typically a short shop visit. The recall began October 20, 2009 and remains claimable on any car never repaired. Check your 17-digit VIN at nhtsa.gov/recalls to see if 09V333000 is still listed as open, and contact Volkswagen Group at 1-800-822-8987 if a dealer questions eligibility.

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

Multiple A3/S3 owners report sudden gearbox malfunction warnings, harsh shifting, loss of drive, or the transmission becoming stuck in gear. On MQB-based A3 models with dual-clutch gearboxes, failures are commonly traced to the mechatronic unit, internal speed sensors, clutch adaptation faults, or internal transmission hardware. Audi/NHTSA documentation also shows recalls on certain newer A3/S3 vehicles for transmission-related defects that can lead to loss of motive power.

This issue also affects: Audi A4, Audi A5, Audi R8

Common Symptoms

  • Gearbox malfunction warning on cluster
  • Harsh or delayed shifting
  • Vehicle will not move in D or R
  • Transmission stuck in one gear
  • Jerking during low-speed acceleration
  • Limp mode

How to Fix

Scan the transmission control module for stored faults and verify fluid condition, adaptation values, and clutch/mechatronic data. Depending on findings, repairs range from software update and basic settings/adaptation to mechatronic replacement or complete gearbox replacement. If the vehicle falls under an open recall or service action, Audi dealer diagnosis is important before paying out of pocket.

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Typical repair cost:$600 - $8,000

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Community Reported
High Confidence
Community reported
520 owners

The BorgWarner BV43 variable-geometry turbocharger (OEM part 03L253056, BorgWarner 53039880208) can fail due to oil starvation, bearing wear, or variable geometry vane sticking/seizing. The most common failure mode is the variable vanes sticking or seizing, causing overboost or underboost. Catastrophic failures (compressor shaft snapping) are less common but documented. Failures typically occur around 100,000-150,000 miles.

This issue also affects: Audi A1, Audi A6, Audi S4

Common Symptoms

  • Loss of power
  • Excessive black smoke
  • Turbo whine or grinding
  • Check engine light with boost codes
  • Oil in intercooler
  • Overboost shutdown (limp mode)
  • Turbo actuator fault codes

How to Fix

Regular oil changes with VW 507.00 spec diesel oil are critical - the turbo depends on clean oil for bearing lubrication. Replace turbo if failed using OEM BorgWarner unit (03L253056). Always replace the turbo oil feed line (03L145771) and oil return line (03G145736F) with new gaskets (03L145757Q oil return gasket) when replacing the turbo. Let engine idle 30-60 seconds before shutdown to allow turbo to cool down.

Typical repair cost:$1,200 - $3,500

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Based on 520 owner reports

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Community Reported
Medium Confidence520 owner reportsLast reported by owners Nov 2022Reviewed Feb 2026
Community reported
1,100 owners

The DPF can become clogged, especially with city driving and short trips that don't allow for proper regeneration cycles. This is more common after the emissions fix was applied. A clogged DPF causes reduced power and warning lights. OEM DPF assembly part numbers: 1K0254706LX (earlier production) and 1K0254708GX (later production). Fits 2009-2014 Audi A3 TDI with CBEA/CJAA engines. DPF differential pressure sensor: available from KermaTDI for CJAA/CKRA engines.

This issue also affects: Porsche 718 Boxster, Porsche Cayman, SEAT Leon

Common Symptoms

  • DPF warning light
  • Reduced power (limp mode)
  • Increased fuel consumption during regen
  • Strong exhaust smell during regen
  • Check engine light with DPF codes

How to Fix

Allow DPF regeneration by driving at highway speeds (65+ MPH) for 15-20 minutes regularly. For forced regen via VCDS: go to adaptation, enter security code 12233, change channel 18 from 0 to 1 while maintaining highway speed. Monitor soot levels via VCDS (Particle Filter Carbon Mass). If severely clogged, professional DPF cleaning with Liqui Moly 20110 DPF Cleaning Fluid (used with 20112 DPF Cleaning Flush and 7945/7946 spray tools) can help. Note: cleaning removes soot only, not ash - ash accumulation requires DPF replacement. OEM replacement DPF often back-ordered for weeks.

Typical repair cost:$200 - $3,000

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Based on 1,100 owner reports

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Community Reported
High Confidence1,100 owner reportsLast reported by owners Apr 2022Reviewed Feb 2026
Community reported
780 owners

The EGR (Exhaust Gas Recirculation) valve and cooler can fail from carbon buildup, causing rough running, poor performance, and warning lights. OEM EGR valve: 03L131501K (Pierburg, supersedes 03L131501G). OEM EGR cooler: 03L131512AF (Genuine Audi). EGR cooler valve: 03L131501F. EGR pipe to cooler: 03G131547H. EGR cooler temperature sensor: 03L906529A. EGR vacuum solenoid (N239/N345): 1K0906283A. EGR to intake manifold O-ring seal: 03G131547C.

This issue also affects: SEAT Leon, Skoda Octavia, Skoda Superb

Common Symptoms

  • Rough idle
  • Loss of power
  • Check engine light
  • Black smoke from exhaust
  • Poor throttle response
  • Coolant loss (EGR cooler leak)

How to Fix

Clean or replace EGR valve (03L131501K). Inspect EGR cooler (03L131512AF) for leaks - coolant loss can indicate internal cooler failure. Regular intake cleaning helps prevent carbon buildup. Use quality diesel fuel. The EGR cooler removal process is documented at myturbodiesel.com for CBEA/CJAA engines.

Typical repair cost:$300 - $1,200

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Based on 780 owner reports

GoogleRedditYouTubeNHTSA
Community Reported
High Confidence780 owner reportsLast reported by owners Aug 2022Reviewed Feb 2026
Community reported
480 owners

Glow plugs can fail, making cold starting difficult, especially in cold weather. The CBEA/CJAA engines use 'smart' glow plugs with integrated cylinder pressure sensors. OEM glow plug: 03L905061F (superseded to 03L905061K, then 03L905061M, current: 03L905061L). 4 plugs per engine. Glow plug control module (J179): 03L907281 (superseded to 03L907281B). Failed glow plugs can break during removal, requiring special extraction.

Common Symptoms

  • Hard starting in cold weather
  • Extended crank time
  • White smoke on cold start
  • Glow plug warning light
  • Rough running when cold

How to Fix

Test glow plugs with VCDS if cold start issues occur - each plug can be tested individually. Replace failed glow plugs carefully - they can seize in the head. Soak with penetrating oil before removal. Use anti-seize on new plugs. Glow plug connector wiring (04L971785C) often breaks during service and should be kept on hand. Replace glow plug control module (03L907281) if faulty.

Typical repair cost:$150 - $600

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Based on 480 owner reports

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Community Reported
High Confidence480 owner reportsLast reported by owners Jan 2023Reviewed Feb 2026

NHTSA campaign 22V806 includes certain 2022 Audi A3 vehicles. The infotainment main unit may be damaged internally when the vehicle is shut off, leaving the rearview-camera display inoperative the next time the vehicle is started. Reduced rear visibility increases crash risk. This campaign does not establish the former eight-year virtual-cockpit, navigation, audio and battery aggregation.

Common Symptoms

  • Rearview camera display is inoperative after the vehicle is restarted

How to Fix

Check the VIN and recall-completion history with Audi or NHTSA. The recall remedy replaces the infotainment main unit free of charge for eligible vehicles. If the rearview image is unavailable, use direct observation and mirrors and avoid relying on the display until the campaign or a separate diagnosis is completed.

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NHTSA Verified
High ConfidenceVerifiedReviewed Jul 2026

Owners of A3 sedan and Sportback/e-tron variants equipped with the panoramic roof have reported spontaneous glass cracking, loud popping noises, water leaks, and persistent roof rattles. Some complaints describe the outer panel shattering without impact, creating a safety concern from falling glass and sudden driver distraction. Other cases involve frame alignment or seal issues that lead to wind noise and leaks.

This issue also affects: Audi A4, Audi Q5 Sportback

Common Symptoms

  • Loud bang from roof area
  • Cracked or shattered sunroof glass
  • Water leak from headliner
  • Wind noise from roof
  • Roof rattles over bumps

How to Fix

Inspect the roof glass for stress cracks, frame distortion, and evidence of impact versus spontaneous failure. Repairs typically involve replacing the glass panel and, if needed, adjusting or replacing frame/seal components. If rattles or leaks are present, drains should be checked and the roof cassette alignment verified before replacing trim pieces.

Typical repair cost:$500 - $3,000

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Community Reported
Medium Confidence

NHTSA campaign 11V490 covers 2010-2012 Audi A3 vehicles equipped with the 2.0L TDI common-rail diesel engine. Under specific load and RPM conditions, injection pulses can resonate with injector line number 2, adding stress that may create small cracks and fuel leakage. Fuel near an ignition source can cause a fire. The campaign does not establish universal injector, wiring-harness or fuel-rail failure.

This issue also affects: Audi A4, Audi A5, Audi Q7

Common Symptoms

  • Diesel fuel odor from the engine compartment
  • Visible fuel leakage at injector line number 2

How to Fix

Check the VIN and campaign-completion history with Audi or NHTSA. The historical remedy installed an improved number-2 injector line on certain vehicles and vibration dampers on all injector lines. Because these vehicles are more than 15 years old, confirm current remedy availability and any cost with Audi. If diesel odor or visible leakage is present, shut the engine off and arrange inspection without driving.

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NHTSA Verified
High ConfidenceVerifiedReviewed Jul 2026

Quattro A3 and S3 models using the Haldex coupling can lose rear-wheel engagement when the pump screen clogs or the pump fails. Owners often notice front-wheel-drive behavior, traction control intervention, reduced launch performance, or AWD malfunction messages. The issue is well known on MQB AWD cars and is often linked to overdue Haldex service or contamination in the pump pickup screen.

This issue also affects: Audi TT

Common Symptoms

  • AWD or ESC warning
  • Front-wheel spin during hard acceleration
  • Reduced traction in snow or rain
  • No rear-wheel engagement
  • Launch performance worsens
  • Intermittent driveline fault messages

How to Fix

Scan the AWD control module, verify pump activation, and inspect/clean the Haldex pump screen and fluid condition. Many cases are resolved with Haldex fluid service and pump cleaning, while others require pump replacement if the motor has failed. After repair, perform module output tests and confirm rear torque transfer on a road test.

Typical repair cost:$250 - $1,400

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Community Reported
High Confidence

The U.S. EPA identifies 2010-2015 Audi A3 2.0L diesel vehicles among the Volkswagen Group vehicles equipped with software that reduced emissions-control effectiveness during normal driving. Audi campaign 23Y9 separately documents the approved two-phase hardware and software modification for eligible 2015 A3 2.0L TDI vehicles. Scope and modification steps differ by generation and VIN.

How to Fix

Check the VIN and emissions-modification status with Audi. Do not assume a historical buyback, settlement payment or extended-emissions-warranty term remains available today; ask Audi to confirm the exact completed phases and any current coverage in writing. Diagnose present DPF, EGR, turbo, fuel or drivability symptoms separately rather than buying parts from this campaign summary.

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Manually Verified
High ConfidenceVerifiedReviewed Jul 2026

Audi TSB 2071515/1 covers 2020 and 2022-2024 A3 vehicles with a 2.0 TFSI engine when the owner reports coolant loss, a leak or a coolant warning and the workshop can assign fresh leakage to the coolant pump. Audi warns technicians to distinguish a true leak from insufficient bleeding after production or an earlier repair.

This issue also affects: Audi S3, Audi A6

Common Symptoms

  • Coolant loss or visible coolant leak
  • Coolant warning lamp illuminated

How to Fix

Document the suspected leak, clean and dry all traces, fill the system to the correct level and reassess after driving a few miles. If no fresh coolant returns, continue observing without replacing parts. If a leak recurs, replace only the component causing the damage under the exact VIN, engine and part criteria. Outside applicable warranty, Audi states the bulletin is informational.

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NHTSA Verified
High ConfidenceVerifiedReviewed Jul 2026
Campaign #22V51500020/07/2022

AIR BAGS:FRONTAL

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2022 Audi S3, A3, and RS3 vehicles. The front passenger air bag may have been folded incorrectly.

Campaign #22V65200029/08/2022

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

+ 6 more recalls. Check all on NHTSA.gov

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

get a full repair guide

The BorgWarner BV43 variable-geometry turbocharger (OEM part 03L253056, BorgWarner 53039880208) can fail due to oil starvation, bearing wear, or variable geometry vane sticking/seizing. The most common failure mode is the variable vanes sticking or seizing, causing overboost or u… Repairs typically run $1,200-$3,500. Severity: high.

What is the 2022 Audi A3 2022 Audi A3 Infotainment Main-Unit Recall 22V806?

NHTSA campaign 22V806 includes certain 2022 Audi A3 vehicles. The infotainment main unit may be damaged internally when the vehicle is shut off, leaving the rearview-camera display inoperative the next time the vehicle is started. Reduced rear visibility increases crash risk. Thi… Severity: high.

What is the 2016-2020 Audi A3 Panoramic Sunroof Glass Cracking or Exploding and Sunroof Frame/Rattle Problems?

Owners of A3 sedan and Sportback/e-tron variants equipped with the panoramic roof have reported spontaneous glass cracking, loud popping noises, water leaks, and persistent roof rattles. Some complaints describe the outer panel shattering without impact, creating a safety concern… Repairs typically run $500-$3,000. Severity: high.

What is the 2009-2010 Audi A3 Recall 09V333000: DSG Temperature Sensor Wiring Can Drop the A3 Into Neutral?

If your Audi A3 is a 2009 or 2010 model built with the DSG dual-clutch automatic, it may fall under NHTSA recall 09V333000. The defect is in the wiring harness for a temperature sensor inside the gearbox: some connector wires were insufficiently crimped at the factory. That weak… Severity: high.

What is the 2016-2024 Audi A3 DQ381/DQ250 S tronic Mechatronic or Internal Transmission Fault Causing No-Drive, Jerking, or Gearbox Warning?

Multiple A3/S3 owners report sudden gearbox malfunction warnings, harsh shifting, loss of drive, or the transmission becoming stuck in gear. On MQB-based A3 models with dual-clutch gearboxes, failures are commonly traced to the mechatronic unit, internal speed sensors, clutch ada… Repairs typically run $600-$8,000. Severity: high.

What is the 2010-2012 Audi A3 2010-2012 Audi A3 2.0L TDI Injector-Line Recall 11V490?

NHTSA campaign 11V490 covers 2010-2012 Audi A3 vehicles equipped with the 2.0L TDI common-rail diesel engine. Under specific load and RPM conditions, injection pulses can resonate with injector line number 2, adding stress that may create small cracks and fuel leakage. Fuel near… Severity: high.

What is the 2010-2015 Audi A3 DPF (Diesel Particulate Filter) Clogging?

The DPF can become clogged, especially with city driving and short trips that don't allow for proper regeneration cycles. This is more common after the emissions fix was applied. A clogged DPF causes reduced power and warning lights. OEM DPF assembly part numbers: 1K0254706LX (ea… Repairs typically run $200-$3,000. Severity: medium.

What is the 2010-2015 Audi A3 EGR Valve/Cooler Failure?

The EGR (Exhaust Gas Recirculation) valve and cooler can fail from carbon buildup, causing rough running, poor performance, and warning lights. OEM EGR valve: 03L131501K (Pierburg, supersedes 03L131501G). OEM EGR cooler: 03L131512AF (Genuine Audi). EGR cooler valve: 03L131501F. E… Repairs typically run $300-$1,200. Severity: medium.

What is the 2016-2020 Audi A3 Haldex AWD Pump/Filter Contamination Leading to Rear AWD Loss on Quattro Models?

Quattro A3 and S3 models using the Haldex coupling can lose rear-wheel engagement when the pump screen clogs or the pump fails. Owners often notice front-wheel-drive behavior, traction control intervention, reduced launch performance, or AWD malfunction messages. The issue is wel… Repairs typically run $250-$1,400. Severity: medium.

What is the 2010-2015 Audi A3 2010-2015 Audi A3 2.0L TDI Emissions Modification?

The U.S. EPA identifies 2010-2015 Audi A3 2.0L diesel vehicles among the Volkswagen Group vehicles equipped with software that reduced emissions-control effectiveness during normal driving. Audi campaign 23Y9 separately documents the approved two-phase hardware and software modif… Severity: medium.

What is the 2020-2024 Audi A3 2020/2022-2024 Audi A3 2.0 TFSI Coolant-Pump Leak Diagnosis?

Audi TSB 2071515/1 covers 2020 and 2022-2024 A3 vehicles with a 2.0 TFSI engine when the owner reports coolant loss, a leak or a coolant warning and the workshop can assign fresh leakage to the coolant pump. Audi warns technicians to distinguish a true leak from insufficient blee… Severity: medium.

What is the 2010-2015 Audi A3 Glow Plug Failure?

Glow plugs can fail, making cold starting difficult, especially in cold weather. The CBEA/CJAA engines use 'smart' glow plugs with integrated cylinder pressure sensors. OEM glow plug: 03L905061F (superseded to 03L905061K, then 03L905061M, current: 03L905061L). 4 plugs per engine. Repairs typically run $150-$600. Severity: low.