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Audi · Known Issues

2020 Audi Q3 Problems: 10 Known Issues

2020 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 2020 Audi Q3 has 10 documented known issues, with 3 rated critical. The most serious are 2020 Audi Q3 Brake-Pedal Recall 46i7 / NHTSA 20V786, Timing Chain Tensioner Failure (2.0 TFSI Engine) ($2,000-$10,000 repair) and Auto Start/Stop Malfunction - Engine Stalls or Drops Into Limp Mode (DTC P060C) ($0-$300 repair). Across all issues with published estimates, repair costs range from $700 to $10,000. DIY maintenance guides at au7o.io.

In This Article

  • Q3 Engine3
  • Q3 Brakes1
  • Q3 Electrical2
  • Q3 Cooling1
  • Q3 Safety/Recalls1
  • Q3 Body/Panels1
  • Q3 Transmission1
  • Recalls11
  • FAQ
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In This Article

  • Engine3
  • Brakes1
  • Electrical2
  • Cooling1

All 10 Known Issues

NHTSA Recalls11 recalls

BACK OVER PREVENTION:SOFTWARE

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2022-2024 Tiguan, 2023 Arteon, and 2024-2025 Audi Q3 vehicles. An error may occur in the camera control unit at vehicle startup, resulting in the rearview camera image not displaying as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Campaign #25V08200012/02/2025

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

SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2020 Audi Q3 vehicles. The brake pedal plate can bend or detach under the pressure applied during sudden stopping.

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Frequently Asked Questions

What are the most common Audi Q3 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2020 Audi Q3 has 10 documented issues. The most frequently reported are: 2020 Audi Q3 Brake-Pedal Recall 46i7 / NHTSA 20V786, Timing Chain Tensioner Failure (2.0 TFSI Engine), Auto Start/Stop Malfunction - Engine Stalls or Drops Into Limp Mode (DTC P060C). Of these, 3 are rated critical and should be addressed promptly.

Is the Audi Q3 reliable?

The 2020 Audi Q3 has 10 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 3 issues are rated critical: 2020 Audi Q3 Brake-Pedal Recall 46i7 / NHTSA 20V786 and Timing Chain Tensioner Failure (2.0 TFSI Engine) and Auto Start/Stop Malfunction - Engine Stalls or Drops Into Limp Mode (DTC P060C). 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 Q3 problems?

Repair costs for known Audi Q3 issues range from $0 to $10,000, 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 2020 Audi Q3 2020 Audi Q3 Brake-Pedal Recall 46i7 / NHTSA 20V786?

NHTSA campaign 20V786 / Audi 46i7 covers certain 2020 Audi Q3 vehicles. The brake-pedal plate can bend or detach from the pedal under the pressure of sudden stopping, reducing the contact area for the driver’s foot and increasing crash risk. Eligibility is VIN-specific. Severity: high.

What is the 2015-2020 Audi Q3 Timing Chain Tensioner Failure (2.0 TFSI Engine)?

The first-generation Q3 (2015-2018) and early second-generation (2019-2020) models with the 2.0 TFSI EA888 engine suffer from premature timing chain tensioner failure, identical to other Audi models (A4, A5, Q5). The tensioners wear out between 60,000-120,000 miles, causing the t… Repairs typically run $2,000-$10,000. 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.

Safety/Recalls
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    On the 2015-2020 Audi Q3 EA888, the first-generation Q3 (2015-2018) and early second-generation (2019-2020) models with the 2.0 TFSI EA888 engine suffer from premature timing chain tensioner failure, identical to other Audi models (A4, A5, Q5). The tensioners wear out between 60,000-120,000 miles, causing the timing chain to stretch and rattle on cold starts. If ignored, the chain can slip or jump timing, causing catastrophic valve-to-piston contact and destroying the engine. Rattling noise from the front of the engine on cold start is the classic warning sign. Later 2021+ models have updated tensioners and are less prone to failure. AudiWorld and Q3 forums report failures under 100,000 miles, with some owners experiencing complete engine destruction requiring $6,000-$10,000 replacement.

    This issue also affects: Audi A4, Audi A1, Audi A5

    Common Symptoms

    • Loud rattling or clattering from front of engine on cold start
    • Metallic rattling that disappears after warm-up
    • Check engine light with timing correlation codes (P0016, P0017)
    • Rough idle or misfires
    • Engine won't start (if chain has jumped timing)
    • Catastrophic engine damage (bent valves, destroyed pistons)

    How to Fix

    PREVENTIVE REPLACEMENT: Replace timing chain, tensioners, and guides at 80,000-100,000 miles BEFORE rattling starts ($2,000-$3,000). If rattling has started, DO NOT delay—chain can jump at any moment. Repair requires removing front engine cover, water pump, thermostat. Labor is 8-12 hours. Use ONLY OEM Audi parts—aftermarket tensioners fail quickly. Change oil every 5,000 miles and check oil level weekly to prevent accelerated tensioner wear. If catastrophic failure occurs, engine replacement ($6,000-$10,000) is often more cost-effective than rebuild. 2021+ Q3 models have updated parts and are more reliable.

    Typical repair cost:$2,000 - $10,000

    Research This Issue

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    Community Reported
    Medium Confidence

    On the 2019-2020 Audi Q3 2.0 TFSI (EA888 Gen 3), 2019-2020 F3 Q3s with the 2.0 TFSI generated a cluster of NHTSA complaints within the first few thousand miles: the engine shuts off at a stop with an 'auto start/stop malfunction' message and will not restart or move, RPM is restricted to a 5-7 mph limp mode while driving, or the car loses power at highway speed with only electrical systems alive. Dealers told owners this was a known 2020 Q3 software issue and that corrected engine-control software 'will not be available until end of first quarter.' Audi later issued TSBs: NHTSA 10174366 (April 2020) diagnosing P060C00 with MIL on, and 10180077 (Sept 2020) with an ECM software update for P060C00 limp mode; a further bulletin (10181056) covers Start/Stop diagnosis.

    Common Symptoms

    • 'Auto start/stop malfunction' warning at a stop
    • Engine will not restart after a Start/Stop event
    • RPM limited, vehicle crawls at 5-7 mph
    • Complete loss of power at speed with dash still lit
    • Steering feels locked briefly after Start/Stop restart

    How to Fix

    Have the dealer apply the ECM software update referenced in TSB NHTSA #10180077 (P060C00 / RPM restricted) and check for the Start/Stop diagnostic bulletin. Verify battery state of health, since a weak 12V/AGM battery also disables Start/Stop. Software is applied free under the powertrain/emissions warranty; there is no recall, and repeated stalls are grounds for a lemon-law claim in several states.

    Typical repair cost:$0 - $300

    Research This Issue

    GoogleRedditYouTubeNHTSA
    Community Reported
    High ConfidenceVerifiedReviewed Sep 2026

    On the 2015-2023 Audi Q3 2.0 TFSI, all Q3 models with direct-injection 2.0 TFSI engines (2015-2023) suffer from carbon buildup on intake valves. In direct-injection engines, fuel sprays directly into the cylinder, bypassing intake valves. Intake valves are only exposed to oil vapors from the PCV system, which 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 ONLY effective fix is walnut blasting—blasting crushed walnut shells through the intake to remove carbon without damaging valves. In severe cases, carbon prevents valves from seating properly, causing compression loss. Q3 forums recommend walnut blasting every 60,000-80,000 miles as preventive maintenance.

    This issue also affects: Audi A5, Audi S8, Audi SQ2

    Common Symptoms

    • Rough or unstable idle (engine shakes)
    • Hesitation or stumbling on acceleration
    • Reduced power and sluggish throttle
    • Poor fuel economy (2-4 MPG drop)
    • Check engine light with misfire codes (P0300-P0304)
    • Engine runs rough when cold, smooths when warm
    • Hard starting or extended cranking

    How to Fix

    WALNUT BLASTING: Remove intake manifold and blast crushed walnut shells through intake ports ($700-$1,200). Requires specialized equipment—not DIY-friendly. Dealers charge $1,200-$1,500; independent Audi shops charge less. Repeat every 60,000-80,000 miles. PREVENTION: Install catch can ($300-$500) to filter PCV oil vapors before they reach valves—extends cleaning interval to 100k+ miles. Add Liqui Moly Intake Valve Cleaner to every oil change ($15). Perform "Italian tune-up" monthly (spirited highway driving to high RPM to burn carbon).

    Typical repair cost:$700 - $1,500

    Research This Issue

    GoogleRedditYouTubeNHTSA
    Community Reported
    Medium Confidence

    On the 2020 Audi Q3, nHTSA campaign 20V786 / Audi 46i7 covers certain 2020 Audi Q3 vehicles. The brake-pedal plate can bend or detach from the pedal under the pressure of sudden stopping, reducing the contact area for the driver’s foot and increasing crash risk. Eligibility is VIN-specific.

    Common Symptoms

    • Brake-pedal plate bends or moves under heavy pressure
    • Reduced foot contact area during emergency braking

    How to Fix

    Check the VIN and campaign-completion history with Audi or NHTSA. The free recall remedy inspects the weld between the pedal and pedal plate and replaces the complete brake pedal when required. Do not buy pads or rotors for this campaign; if the pedal feels loose, bent or abnormal, stop driving and arrange dealer inspection.

    Research This Issue

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    NHTSA Verified
    High ConfidenceVerifiedReviewed Jul 2026

    On the 2020-2024 Audi Q3, q3s with the MIB3 infotainment unit began rebooting repeatedly while driving - screen goes black, Audi logo, restart every few minutes, with navigation, phone, camera and audio dropping out each time. Audi determined the trigger was a SiriusXM broadcast/app change that interacted with the MMI software in a way the system was not designed for. Some dealers initially quoted replacement of the 5F main unit (~$4,700) before Audi issued Service Action 91MM in mid-2025 with a no-charge software update. Q3 Owners Club and AudiWorld threads (the MIB3 reboot thread exceeds 96 pages) track Q3 owners affected in 2024-2025.

    Common Symptoms

    • MMI screen goes black and restarts repeatedly while driving
    • Random pop-up messages during reboot
    • Loss of navigation, phone, backup camera and audio during each restart

    How to Fix

    Free fix: dealer performs Service Action 91MM (MMI software update with 'enhanced system robustness'). Interim workaround reported by owners: hold the volume knob ~10 seconds to force a reboot, or temporarily disable the SiriusXM source. Do not pay for a main-unit replacement for this symptom. Separately, a blank MIB3 screen while using Apple CarPlay is covered by TSB NHTSA #10246206.

    Typical repair cost:$0 - $0

    Research This Issue

    GoogleRedditYouTubeNHTSA
    Community Reported
    Low ConfidenceVerifiedReviewed Sep 2026

    On the 2019-2021 Audi Q3, nearly-new F3 Q3s are reported dead in the driveway after a few days: a 2019 Q3 with 6,000 miles would not start on day five, and an 18-day-old 2021 Q3 threw a 'battery discharging' warning and needed a new battery. Owners on AudiQ3Forum and AudiWorld report Audi technical support instructing dealers to reset the emergency-call/telematics module because a malfunction kept other features awake and drained the battery, with advice to uninstall the myAudi app while the software was pending. Audi has since issued a series of 12V-battery-drain bulletins for 2019+ Q3 (NHTSA #10233376 Mar 2023, #10234565 Apr 2023 ODIS test plan, #10245616 Nov 2023 documentation requirements before battery replacement).

    Common Symptoms

    • Vehicle will not start after sitting 2-5 days
    • 'Battery discharging' or 'Please start engine' warning
    • Start/Stop disabled
    • SOS button red or flashing

    How to Fix

    Have the dealer run the ODIS battery-drain test plan from TSB NHTSA #10234565 rather than simply replacing the battery; reset or update the telematics/emergency-call module if it fails to enter sleep mode, and confirm the vehicle enters bus-sleep with a parasitic-draw measurement. Battery replacement alone, as some owners were charged for, does not fix a module that will not sleep. Covered under the new-vehicle warranty.

    Typical repair cost:$0 - $450

    Research This Issue

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    Community Reported
    Medium ConfidenceVerifiedReviewed Sep 2026

    On the 2020-2024 Audi Q3 2.0 TFSI, audi TSB 2071515/1 covers 2020-2024 Q3 vehicles with a 2.0 TFSI engine when coolant loss, a visible leak or the coolant warning lamp can be assigned to the coolant pump. Audi warns that an apparent level drop can instead follow incomplete bleeding during production or a prior repair, so the leak must be located precisely.

    This issue also affects: Audi A5, Audi SQ2, Audi Q2

    Common Symptoms

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

    How to Fix

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

    Research This Issue

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    NHTSA Verified
    High ConfidenceVerifiedReviewed Jul 2026

    On the 2019-2021 Audi Q3, 2019-2021 F3 Q3 owners report Audi pre sense triggering with no hazard: the warning symbol and chime, a brake 'jolt', or partial/emergency braking when passing parked cars, pedestrians on the sidewalk, or in curves. NHTSA complaints for the 2020 Q3 service brakes describe the system engaging emergency braking for pedestrians who were nowhere near the path, with dealers saying Audi knew of the problem but had no fix. Audi TSB 2058077/2 (Group 90, Jan 2020) explicitly lists the 2019-2021 Q3 for 'unexpected Audi pre sense city/front intervention' and notes the concern cannot be reproduced on a test drive.

    Common Symptoms

    • Pre sense warning chime and symbol with no obstacle
    • Brake jolt or hard braking with clear road ahead
    • False pedestrian warnings near sidewalks
    • Cannot be reproduced at dealer

    How to Fix

    Dealer follows TSB 2058077/2: check the front radar and camera calibration/alignment and windshield condition, verify the software level of the driver-assistance controllers, and update where a newer level exists; the TSB also documents system limits (e.g., reflections, parked vehicles on curves) that are considered normal. Owners can lower pre sense sensitivity or turn off the warning stage in MMI. No recall exists.

    Typical repair cost:$0 - $400

    Research This Issue

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    Community Reported
    High ConfidenceVerifiedReviewed Sep 2026

    On the 2019-2021 Audi Q3, early F3 Q3s leak rainwater into the cabin: owners describe drips from the headliner near the A-pillar/mirror, soaked front footwells, and in some cases water reaching electrical components behind the overhead console, causing random interior lights and warnings. Audi TSB 2056944/5 (Group 60, Nov 2020, covering 2019-2021 Q3, Q8 and e-tron) identifies four root causes: pinched or obstructed sunroof drain hoses/outlet valves, water migrating along the wind-deflector hinge arms into a stowage area that has no drain, a distorted perimeter seal, and stress cracks in the plastic sunroof frame from differential thermal expansion against its steel brackets. AudiWorld's Q3 'Water leak' thread runs 16+ pages of affected 2019-2020 owners.

    Common Symptoms

    • Water drip from headliner near A-pillar or rearview mirror after rain
    • Wet driver or passenger footwell carpet
    • Interior lights or warnings triggering randomly after rain
    • Musty smell or fogged windows

    How to Fix

    Dealer follows TSB 2056944/5: inspect and clear all four drain hoses and valves (commonly pinched by pillar trim), replace the wind deflector and seal (TPI 2059326/2), reseat or replace the perimeter seal, and replace the sunroof frame if cracked; production fix implemented mid-2020. Covered under the 4yr/50k new-vehicle warranty; out of warranty a frame replacement runs into the thousands. Owners should clear drains regularly and document leaks early because water-damaged modules are an argument for lemon-law claims.

    Typical repair cost:$0 - $3,500

    Research This Issue

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    Community Reported
    High ConfidenceVerifiedReviewed Sep 2026

    On the 2019-2022 Audi Q3, the second-generation Q3 (US) replaced the 8U's 6-speed with an Aisin 8-speed torque-converter automatic. AudiWorld's five-page 'Q3 Transmission Shift Quirks' thread and follow-on threads document 2019-2022 owners reporting a pronounced jerk on the 1-2 upshift under moderate throttle, a lurch when going from throttle-off to throttle-on in traffic, hesitation from a stop, and a noticeable thud on the 5-6, 6-7 and 7-8 shifts at highway speed. Dealers have applied transmission-control software updates with mixed results; a related 2020 TSB (NHTSA #10174040) covers DTC B116229 with 'Vehicle Electronics Malfunction' / shift-to-P messages on the same gearbox.

    Common Symptoms

    • Hard 1-2 upshift under part throttle
    • Lurch when reapplying throttle at low speed
    • Hesitation pulling away from a stop
    • Thud on 6-7 or 7-8 upshift at highway speed
    • Occasional 'Vehicle Electronics Malfunction' or shift-to-P message

    How to Fix

    Have the dealer check for and apply the latest transmission control module and engine software; drive gently for the adaptation period after a flash (adaptations reset). If messages such as 'Vehicle Electronics Malfunction' appear, reference TSB NHTSA #10174040 for B116229. No mechanical repair is typically needed; no recall. Persistent rough shifting after updates has been accepted under lemon-law claims on 2020-2022 examples.

    Typical repair cost:$0 - $250

    Research This Issue

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    Community Reported
    Low ConfidenceVerifiedReviewed Sep 2026
    Campaign #20V78600016/12/2020

    SEATS

    Volkswagen Group of America, Inc. (Audi) is recalling one 2020 Audi Q3 vehicle. The driver's seat frame may have incorrectly been bolted to the seat rail.

    Campaign #20V64400019/10/2020

    STEERING

    Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2018 Tiguan, 2018-2019 Atlas, and 2019-2021 Audi Q3 vehicles. One of the bolts that attaches the steering rack to the subframe may corrode and break. If this happens, the steering rack housing can break.

    Campaign #26V59000011/09/2026

    + 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

    What is the 2019-2020 Audi Q3 Auto Start/Stop Malfunction - Engine Stalls or Drops Into Limp Mode (DTC P060C)?

    2019-2020 F3 Q3s with the 2.0 TFSI generated a cluster of NHTSA complaints within the first few thousand miles: the engine shuts off at a stop with an 'auto start/stop malfunction' message and will not restart or move, RPM is restricted to a 5-7 mph limp mode while driving, or th… Repairs typically run $0-$300. Severity: high.

    What is the 2015-2023 Audi Q3 Carbon Buildup on Intake Valves (Direct Injection)?

    All Q3 models with direct-injection 2.0 TFSI engines (2015-2023) suffer from carbon buildup on intake valves. In direct-injection engines, fuel sprays directly into the cylinder, bypassing intake valves. Intake valves are only exposed to oil vapors from the PCV system, which bake… Repairs typically run $700-$1,500. Severity: medium.

    What is the 2020-2024 Audi Q3 2020-2024 Audi Q3 Coolant-Pump Leak TSB 2071515/1?

    Audi TSB 2071515/1 covers 2020-2024 Q3 vehicles with a 2.0 TFSI engine when coolant loss, a visible leak or the coolant warning lamp can be assigned to the coolant pump. Audi warns that an apparent level drop can instead follow incomplete bleeding during production or a prior rep… Severity: medium.

    What is the 2019-2021 Audi Q3 Audi Pre Sense Front/City False Warning and Unexpected Braking Intervention - TSB 2058077/2?

    2019-2021 F3 Q3 owners report Audi pre sense triggering with no hazard: the warning symbol and chime, a brake 'jolt', or partial/emergency braking when passing parked cars, pedestrians on the sidewalk, or in curves. NHTSA complaints for the 2020 Q3 service brakes describe the sys… Repairs typically run $0-$400. Severity: medium.

    What is the 2020-2024 Audi Q3 MIB3 MMI Infotainment Spontaneous Reboot Loop (SiriusXM Broadcast Change) - Service Action 91MM?

    Q3s with the MIB3 infotainment unit began rebooting repeatedly while driving - screen goes black, Audi logo, restart every few minutes, with navigation, phone, camera and audio dropping out each time. Audi determined the trigger was a SiriusXM broadcast/app change that interacted… Repairs typically run $0-$0. Severity: medium.

    What is the 2019-2021 Audi Q3 12V Battery Drains Overnight / No-Start - Telematics (Emergency Call) Module Not Sleeping?

    Nearly-new F3 Q3s are reported dead in the driveway after a few days: a 2019 Q3 with 6,000 miles would not start on day five, and an 18-day-old 2021 Q3 threw a 'battery discharging' warning and needed a new battery. Owners on AudiQ3Forum and AudiWorld report Audi technical suppor… Repairs typically run $0-$450. Severity: medium.

    What is the 2019-2021 Audi Q3 Panoramic Sunroof Water Intrusion Into Headliner and Footwells - TSB 2056944/5?

    Early F3 Q3s leak rainwater into the cabin: owners describe drips from the headliner near the A-pillar/mirror, soaked front footwells, and in some cases water reaching electrical components behind the overhead console, causing random interior lights and warnings. Audi TSB 2056944… Repairs typically run $0-$3,500. Severity: medium.

    What is the 2019-2022 Audi Q3 Aisin 8-Speed Automatic Harsh 1-2 Shift, Throttle Tip-In Jerk and High-Gear Thud?

    The second-generation Q3 (US) replaced the 8U's 6-speed with an Aisin 8-speed torque-converter automatic. AudiWorld's five-page 'Q3 Transmission Shift Quirks' thread and follow-on threads document 2019-2022 owners reporting a pronounced jerk on the 1-2 upshift under moderate thro… Repairs typically run $0-$250. Severity: low.