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Audi · Known Issues

2022 Audi Q4 e-tron Problems: 13 Known Issues

2022 model year · 395+ owner reports · Updated September 2026

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Issue summary

According to Au7o's analysis of 395+ owner reports, the 2022 Audi Q4 e-tron has 13 documented known issues, with 6 rated critical. The most serious are 2022-2024 Audi Q4 e-tron Charging-Cable Recall 93U6/93U8 / NHTSA 23V842, 2022-2023 Audi Q4 e-tron Rollaway Recall 454R / NHTSA 25V120, 2022-2024 Audi Q4 e-tron Headlight Recall 941L / NHTSA 24V361, Head Curtain Airbag Can Tear on Door Seal Metal Inlay (Recall 23V189) ($0-$0 repair), 12V Auxiliary Battery Parasitic Drain Leaves Car Dead With a Full HV Pack ($250-$600 repair) and Rearview Camera Image Blank or Frozen in Reverse (Recall 22V823, FMVSS 111 Non-Compliance) ($0-$0 repair). The most commonly reported issue is Battery Cooling System Efficiency Issues with 244 owner reports. Across all issues with published estimates, repair costs range from $150 to $2,500. DIY maintenance guides at au7o.io.

In This Article

  • Q4 e-tron Electrical6
  • Q4 e-tron Safety/Recalls4
  • Q4 e-tron Cooling1
  • Q4 e-tron Brakes1
  • Q4 e-tron HVAC1
  • Recalls7
  • FAQ
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In This Article

  • Electrical6
  • Safety/Recalls4
  • Cooling1
  • Brakes1
  • HVAC1
  • Recalls7
  • FAQ

All 13 Known Issues

NHTSA Recalls7 recalls

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.

Campaign #23V84200013/12/2023

EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE

Volkswagen Group of America, Inc. (Audi) is recalling certain 2022-2024 Q4 E-TRON and Q4 E-TRON Sportback vehicles. The incorrect headlight control module software may have been installed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

Campaign #24V36100022/05/2024

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2024-2025 AUDI Q4 E-Tron SUV, AUDI Q4 E-Tron Sportback, and 2024 ID.4 vehicles. The on-board charger (OCDC) may fail and stop charging the 12-volt battery, which can result in a loss of drive power.

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Frequently Asked Questions

What are the most common Audi Q4 e-tron problems?

According to Au7o's analysis of 395+ owner reports, the 2022 Audi Q4 e-tron has 13 documented issues. The most frequently reported are: 2022-2024 Audi Q4 e-tron Charging-Cable Recall 93U6/93U8 / NHTSA 23V842, 2022-2023 Audi Q4 e-tron Rollaway Recall 454R / NHTSA 25V120, 2022-2024 Audi Q4 e-tron Headlight Recall 941L / NHTSA 24V361. Of these, 6 are rated critical and should be addressed promptly.

Is the Audi Q4 e-tron reliable?

The 2022 Audi Q4 e-tron has 13 known issues documented across 395+ owner reports. 6 issues are rated critical: 2022-2024 Audi Q4 e-tron Charging-Cable Recall 93U6/93U8 / NHTSA 23V842 and 2022-2023 Audi Q4 e-tron Rollaway Recall 454R / NHTSA 25V120 and 2022-2024 Audi Q4 e-tron Headlight Recall 941L / NHTSA 24V361 and Head Curtain Airbag Can Tear on Door Seal Metal Inlay (Recall 23V189) and 12V Auxiliary Battery Parasitic Drain Leaves Car Dead With a Full HV Pack and Rearview Camera Image Blank or Frozen in Reverse (Recall 22V823, FMVSS 111 Non-Compliance). 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 Q4 e-tron problems?

Repair costs for known Audi Q4 e-tron issues range from $0 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 2022-2024 Audi Q4 e-tron 2022-2024 Audi Q4 e-tron Charging-Cable Recall 93U6/93U8 / NHTSA 23V842?

NHTSA campaign 23V842 / Audi 93U6 and 93U8 covers certain 2022-2024 Q4 e-tron and Q4 e-tron Sportback vehicles supplied with the compact charging system. At the 100-percent setting, an industrial 220V/240V plug or home outlet that cannot handle the requested current may overheat,… Severity: high.

What is the 2022-2023 Audi Q4 e-tron 2022-2023 Audi Q4 e-tron Rollaway Recall 454R / NHTSA 25V120?

NHTSA campaign 25V120 / Audi 454R covers certain 2022-2023 Q4 e-tron and Q4 e-tron Sportback vehicles. The instrument panel may not display the transmission gear position correctly. If the driver leaves the vehicle without engaging the parking brake, the missing or incorrect indi… 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 sourced from 395+ owner reports, NHTSA recalls, TSBs, and automotive forums.

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On the 2022-2024 Audi Q4 e-tron, nHTSA campaign 23V842 / Audi 93U6 and 93U8 covers certain 2022-2024 Q4 e-tron and Q4 e-tron Sportback vehicles supplied with the compact charging system. At the 100-percent setting, an industrial 220V/240V plug or home outlet that cannot handle the requested current may overheat, increasing fire risk. This is not evidence that the vehicle charging inlet itself should be replaced.

Common Symptoms

  • Compact charging cable or home outlet becomes unusually hot

How to Fix

Check the VIN and campaign instructions with Audi or NHTSA. The recall advises owners not to use the affected 220V/240V compact cable and to use the 110V cable or public charging until Audi supplies the replacement 220V/240V cable with an incorporated temperature sensor at no charge. Do not order a charging inlet from this card.

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NHTSA Verified
High ConfidenceVerifiedReviewed Jul 2026

On the 2022-2024 Audi Q4 e-tron, nHTSA campaign 24V361 / Audi 941L covers certain 2022-2024 Q4 e-tron and Q4 e-tron Sportback vehicles with incorrect headlight-control-module software. The parking lights may not operate as intended when the headlights are on and the turn signals are activated, reducing vehicle visibility. Eligibility is VIN-specific.

Common Symptoms

  • Parking lights operate incorrectly with headlights and turn signals active

How to Fix

Check the VIN and campaign-completion history with Audi or NHTSA. The free remedy updates the headlight-control module with a corrected data set. Do not substitute relays, bulbs, a multimeter or a headlight assembly for the campaign software update.

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NHTSA Verified
High ConfidenceVerifiedReviewed Jul 2026

On the 2022-2026 Audi Q4 e-tron, the MEB platform keeps a conventional 12V battery alive to run the telematics module, gateway, door handle actuators, MMI and the contactors that connect the high-voltage pack. Owners report the Q4 e-tron going completely dark after sitting only a few days to a few weeks - flush door handles will not extend, the MMI will not boot, and the car cannot be woken even though the traction battery is near full. The DC-DC converter normally tops up the 12V, but it only does so while the car is awake; once the 12V falls below the wake threshold the vehicle cannot bootstrap itself back up. Precursor symptoms are often dismissed as software: 'Electrical system: malfunction' messages, long MMI boot times, and infotainment reboots while driving that disappear permanently once the 12V is replaced. This is distinct from the 2024-2025 on-board charger campaign - it affects cars with no open recall.

Common Symptoms

  • Car completely dead after sitting several days to weeks
  • Flush door handles will not extend; must use the emergency key blade
  • MMI will not boot or takes unusually long to start
  • 'Electrical system: malfunction' warning message
  • Intermittent infotainment reboots while driving
  • Vehicle will not wake or charge despite a full high-voltage battery

How to Fix

Jump or charge the 12V at the underhood terminals to regain access, then have the battery load-tested rather than assumed good. If replaced, the new battery must be coded/registered to the vehicle with a VAS or equivalent scan tool so the charging strategy matches its capacity and age; skipping registration causes premature failure of the replacement. Before spending on a battery, have the dealer check for open campaigns and current software - in some cases the root cause is charging logic or a failed DC-DC converter, not the battery. For cars that sit, a 12V trickle maintainer or driving/charging the car at least every one to two weeks prevents recurrence.

Typical repair cost:$250 - $600

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Community Reported
Low ConfidenceVerifiedReviewed Aug 2026
Community reported
151 owners

On the 2022-2024 Audi Q4 e-tron, the Q4 e-tron infotainment and vehicle software experiences OTA update failures and bugs. The MEB platform software can have issues with driver assistance calibration, range estimation, and connectivity.

Common Symptoms

  • OTA update failure
  • Screen freezing
  • Driver assist calibration errors
  • Range estimate inaccuracy
  • Bluetooth drops
  • Key fob connectivity loss

How to Fix

Perform hard reset. Check dealer for latest software version. Some issues require dealer-applied updates only.

Typical repair cost:$0 - $300

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Based on 151 owner reports

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Community Reported
Medium Confidence151 owner reportsLast reported by owners Mar 2026Reviewed Mar 2026

On the 2022-2024 Audi Q4 e-tron, audi published a bulletin covering 2022-2024 Q4 e-tron (among many Audi models) for a condition where the Audi connect Gen3 online module never activates. In the MMI the connect services menu shows no available services, and the overhead SOS emergency-call LED does not turn green after pre-delivery inspection. On an EV this is more consequential than on a gas car: the same telematics module carries remote charge scheduling, remote climate preconditioning, charging-status notifications and the myAudi app link, so a dead module takes all of them out at once. It also disables the automatic and manual emergency-call function, which is a safety loss rather than a convenience one. The bulletin has been revised repeatedly since its June 2022 original, which reflects how persistent the activation problem has been.

Common Symptoms

  • 'No services' shown in the Audi connect menu in MMI
  • Overhead SOS emergency call LED does not turn green
  • Remote functions in the myAudi app do not work
  • Remote charge scheduling and remote preconditioning unavailable
  • No charging status notifications to the phone

How to Fix

Dealer remedy under TSB Group 91 number 23-22 (2061028/5, August 11 2023): the online connectivity unit must be correctly provisioned and the vehicle's connect services activated, typically with a software update and a re-run of the activation procedure. It is warranty work. Owners should verify the SOS LED is green before accepting delivery - the bulletin explicitly frames this as a post-PDI condition, meaning affected cars can leave the lot already broken. If the module was never enrolled, the myAudi account will also need to be re-linked to the VIN.

Typical repair cost:$0 - $250

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Community Reported
Low ConfidenceVerifiedReviewed Aug 2026

On the 2022-2024 Audi Q4 e-tron, audi issued a technical service bulletin covering 2022-2024 Q4 e-tron quattro and Q4 Sportback e-tron and 2023-2024 Q4 RWD in which the MIB3 head unit loses stored radio favorites and the shortcut buttons on the lower display become grayed out and unusable. The bulletin supersedes an earlier February 2024 version, which indicates Audi revised the diagnosis after the first release did not fully resolve field cases. Owners lose their preset stations and the quick-access tiles they rely on for climate and media, and re-entering favorites does not stick across ignition cycles. This is a specific, documented MIB3 defect rather than a generic complaint about Audi software.

Common Symptoms

  • Stored radio favorites disappear
  • Shortcut buttons on the lower display grayed out and unresponsive
  • Presets do not persist across ignition cycles
  • Shortcuts return briefly after an MMI reboot then fail again

How to Fix

The remedy is an MIB3 head-unit software update performed by the dealer under TSB Group 91 number 24-90 (2073135/2, April 3 2024). It is warranty work on cars still in coverage. A customer-side MMI reboot (press and hold the volume knob roughly 10-15 seconds until the screen goes black and the Audi logo returns) may restore the shortcuts temporarily but will not stop the favorites from being lost again - the software update is the actual fix. Confirm the dealer applies the superseding revision, not the withdrawn February 2024 version.

Typical repair cost:$0 - $200

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

On the 2022-2023 Audi Q4 e-tron, nHTSA campaign 25V120 / Audi 454R covers certain 2022-2023 Q4 e-tron and Q4 e-tron Sportback vehicles. The instrument panel may not display the transmission gear position correctly. If the driver leaves the vehicle without engaging the parking brake, the missing or incorrect indication can contribute to a rollaway. Eligibility is VIN-specific.

Common Symptoms

  • Gear-position indicator is missing or incorrect

How to Fix

Check the VIN and campaign-completion history with Audi or NHTSA. The free recall remedy updates the brake-control-unit software. Until completed, verify the selected gear and always engage the parking brake before leaving the vehicle.

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NHTSA Verified
High ConfidenceVerifiedReviewed Jul 2026

On the 2022-2023 Audi Q4 e-tron, volkswagen Group recalled 2022-2023 Audi Q4 e-tron and Q4 Sportback e-tron vehicles because, during a side-impact deployment, the head curtain airbag can deform the B-pillar door seal and expose the metal inlay inside the seal. The exposed metal edge can tear the inflating airbag, so the curtain may not inflate or hold pressure as designed. This is a deployment-time defect: there is no warning light, no fault code and no drivable symptom, so an owner has no way to detect it. The vehicle behaves normally right up until a crash, which is why the only reliable check is a VIN lookup against the campaign.

Common Symptoms

  • No symptom during normal driving - defect only manifests during a crash
  • Curtain airbag may tear or fail to hold pressure in a side impact
  • Open recall shows on NHTSA VIN lookup

How to Fix

A free recall remedy exists. Dealers install protective cloth tape over the exposed metal inlay areas in the B-pillar door seal region so the deploying curtain airbag cannot contact and tear on the metal edge. The repair is a labor-only interior trim operation with no parts cost to the owner. Run the VIN at nhtsa.gov/recalls or have an Audi dealer print campaign history - a used Q4 e-tron bought privately may never have had the letter forwarded.

Typical repair cost:$0 - $0

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

On the 2022 Audi Q4 e-tron, certain 2022 Audi Q4 e-tron and Q4 Sportback e-tron vehicles were recalled because the rearview camera image can be blank or unresponsive when the vehicle is shifted into reverse or when the park-assist view is manually selected. The vehicles fail to comply with Federal Motor Vehicle Safety Standard 111 (rear visibility). Unlike a software glitch that clears on an MMI reboot, this campaign was traced to the camera unit itself, which is why the remedy is a hardware replacement rather than a flash. Owners typically describe a black or stuck rear view that does not return until the car is fully power-cycled, and sometimes not even then.

Common Symptoms

  • Blank or black screen when shifting into reverse
  • Rear camera image frozen or unresponsive
  • Camera view does not appear when park function is manually activated
  • Rear view returns only after a full power cycle, if at all

How to Fix

A free recall remedy exists: dealers replace the rearview camera at no charge under NHTSA 22V823. Owner notification letters went out around January 2023. If the black-screen behavior appears on a later model year that is outside the campaign, treat it first as an MMI/software fault - a long press on the volume knob (roughly 10-15 seconds) force-reboots the head unit - and only pursue camera replacement if the fault repeats after the reboot.

Typical repair cost:$0 - $0

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

On the 2022-2023 Audi Q4 e-tron, audi published a technical service bulletin covering 2022-2023 Q4 e-tron quattro and Q4 Sportback e-tron for a spurious warning that the acoustic vehicle alerting system has failed. The cluster displays 'Vehicle sound: Malfunction! Pedestrians cannot hear vehicle. Please contact Service.' Audi's own workshop findings state that no relevant DTCs are stored and the external pedestrian warning sound is in fact working correctly. The message appears sporadically at vehicle start or when crossing the speed threshold at which AVAS switches on or off. Because AVAS is a federally mandated pedestrian-safety function on EVs, owners reasonably treat the warning as urgent - which is what drives the dealer visits this bulletin exists to shortcut.

Common Symptoms

  • 'Vehicle sound: Malfunction! Pedestrians cannot hear vehicle. Please contact Service' message
  • Warning appears sporadically at vehicle start
  • Warning appears when crossing the AVAS speed on/off threshold
  • Pedestrian warning sound is audible and working normally despite the message
  • No fault codes stored when scanned

How to Fix

This is a software fault, not a failed speaker. Because no DTCs are set and the sound output is confirmed working, the dealer remedy under TSB Group 93 number 23-20 (2071352/1, August 29 2023) is a control-module software update rather than a hardware replacement. It is normally covered under the new-vehicle warranty. Ask the dealer to check for the bulletin by name before authorizing any AVAS speaker or amplifier replacement - replacing hardware will not clear a message that is generated in software.

Typical repair cost:$0 - $200

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026
Community reported
244 owners

On the 2022-2024 Audi Q4 e-tron, the Q4 e-tron battery thermal management can struggle in extreme heat, leading to reduced charging speeds and power limiting. Coolant circuit air pockets and pump issues can develop.

Common Symptoms

  • Charging speed reduced in heat
  • Battery temperature warning
  • Power limiting message
  • Range degradation
  • Cooling fan running constantly
  • Slow pre-conditioning

How to Fix

Bleed HV coolant circuit of air. Check coolant pump operation. Dealer service required for HV system work.

Typical repair cost:$500 - $2,500

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Based on 244 owner reports

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Community Reported
High Confidence244 owner reportsLast reported by owners Mar 2026Reviewed Mar 2026

On the 2022-2025 Audi Q4 e-tron, audi fitted the Q4 e-tron with rear drum brakes rather than discs, specifically because regenerative braking does so much of the deceleration that rear friction brakes would otherwise rust. The drums help, but they do not eliminate the problem: moisture that gets past the drum seal cannot dry out, because the shoes almost never see enough heat to burn it off. Owners report a loud bang or scraping/grinding noise on the first few rotations after the car has been parked overnight in damp or cold conditions - the shoes have lightly bonded to the drum surface and break free as the car moves off. Left long enough the corrosion progresses to sticking shoes, dragging rear brakes and uneven wear. The same disuse mechanism produces visible external rust on the drums that alarms owners on low-mileage cars.

Common Symptoms

  • Loud bang or clunk from the rear on first movement after parking
  • Scraping or grinding noise from the rear brakes at low speed
  • Noise worst after damp, cold or overnight parking and clears after a few rotations
  • Visible rust on the rear brake drums at low mileage
  • Rear brakes dragging or uneven rear brake wear

How to Fix

Audi addressed the noise complaint with a service action installing an improved gasket that better seals the rear drum assembly against moisture ingress - ask the dealer to check for it by symptom, as it applies to earlier build cars. Where corrosion has already formed, the fix is to remove the drums, clean or replace the shoes and drums and re-seal. Owner-side prevention is the practical lever: deliberately use the friction brakes with several firm, moderate-speed stops every week or two (or select the lowest regen setting periodically) so the shoes heat-cycle and dry, and avoid parking with a wet drivetrain in an unventilated space. Surface rust on the outside of the drum is cosmetic and normal on a regen-heavy EV.

Typical repair cost:$150 - $700

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Community Reported
Medium ConfidenceVerifiedReviewed Aug 2026

On the 2022-2023 Audi Q4 e-tron, q4 e-tron models built with the optional heat pump use an R-744 (carbon dioxide) refrigerant circuit, which runs at far higher pressures than a conventional R-1234yf system and requires dedicated recovery and charging equipment plus a specific refrigerant supply. Owners on AudiWorld's Q4 e-tron forum report dealers unable to service or recharge the heat pump on cars barely a year old, with service departments stating they had been requesting the correct refrigerant and equipment from Audi for well over a year with no delivery date. The practical result is a car that loses heat pump function and, in some cases, air conditioning, and sits waiting on parts logistics rather than on a diagnosis. Audi separately stopped fitting heat pumps to the Q4 e-tron around February 2023 citing semiconductor supply, which left the earlier heat-pump cars as an orphaned population with thin dealer support.

Common Symptoms

  • Heat pump inoperative; cabin heat falls back to resistive heating
  • Air conditioning weak or not cooling
  • Dealer states it cannot obtain R-744 refrigerant or the required service equipment
  • Vehicle held at dealer for extended periods awaiting parts
  • Higher winter energy consumption once the heat pump stops working

How to Fix

There is no recall. Repair is warranty work in principle, but the binding constraint is refrigerant and equipment availability rather than the repair itself - one owner resolved a compressor failure only after helping the dealer source R-744 independently from an industrial gas supplier instead of waiting on Audi's supply chain. If your dealer stalls, escalate to Audi of America customer care (1-800-253-2834) to force a parts-and-equipment escalation, and ask specifically whether the store is R-744 equipped before booking. Do not let a shop attempt to service an R-744 circuit with R-1234yf equipment. Buyers should check whether a used Q4 is a heat-pump car and confirm a nearby dealer can actually service it.

Typical repair cost:$0 - $2,500

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026
Campaign #25V12500028/02/2025

SEAT BELTS:FRONT:RETRACTOR

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2025 GTI, Golf R, Audi A5, A6 Sportback E-Tron, S5, S6 Sportback E-Tron, 2026 Q4 Sportback E-Tron, and Q4 E-Tron vehicles. The torsion bar in one or both front seat belt retractors may have been damaged during production.

Campaign #25V63800024/09/2025

AIR BAGS

Volkswagen Group of America, Inc. (Audi) is recalling certain 2022-2023 Q4 E-Tron SUV and Q4 E-Tron Sportback vehicles. During deployment, the head curtain air bag could deform the door seal and expose the metal inlay within the seal, which could tear the air bag. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 226, "Ejection Mitigation."

Campaign #23V18900022/03/2023

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What is the 2022-2024 Audi Q4 e-tron 2022-2024 Audi Q4 e-tron Headlight Recall 941L / NHTSA 24V361?

NHTSA campaign 24V361 / Audi 941L covers certain 2022-2024 Q4 e-tron and Q4 e-tron Sportback vehicles with incorrect headlight-control-module software. The parking lights may not operate as intended when the headlights are on and the turn signals are activated, reducing vehicle v… Severity: high.

What is the 2022-2023 Audi Q4 e-tron Head Curtain Airbag Can Tear on Door Seal Metal Inlay (Recall 23V189)?

Volkswagen Group recalled 2022-2023 Audi Q4 e-tron and Q4 Sportback e-tron vehicles because, during a side-impact deployment, the head curtain airbag can deform the B-pillar door seal and expose the metal inlay inside the seal. The exposed metal edge can tear the inflating airbag… Repairs typically run $0-$0. Severity: high.

What is the 2022-2026 Audi Q4 e-tron 12V Auxiliary Battery Parasitic Drain Leaves Car Dead With a Full HV Pack?

The MEB platform keeps a conventional 12V battery alive to run the telematics module, gateway, door handle actuators, MMI and the contactors that connect the high-voltage pack. Owners report the Q4 e-tron going completely dark after sitting only a few days to a few weeks - flush… Repairs typically run $250-$600. Severity: high.

What is the 2022 Audi Q4 e-tron Rearview Camera Image Blank or Frozen in Reverse (Recall 22V823, FMVSS 111 Non-Compliance)?

Certain 2022 Audi Q4 e-tron and Q4 Sportback e-tron vehicles were recalled because the rearview camera image can be blank or unresponsive when the vehicle is shifted into reverse or when the park-assist view is manually selected. The vehicles fail to comply with Federal Motor Veh… Repairs typically run $0-$0. Severity: high.

What is the 2022-2024 Audi Q4 e-tron Battery Cooling System Efficiency Issues?

The Q4 e-tron battery thermal management can struggle in extreme heat, leading to reduced charging speeds and power limiting. Coolant circuit air pockets and pump issues can develop. Repairs typically run $500-$2,500. Severity: medium.

What is the 2022-2024 Audi Q4 e-tron OTA Updates and Software Glitches?

The Q4 e-tron infotainment and vehicle software experiences OTA update failures and bugs. The MEB platform software can have issues with driver assistance calibration, range estimation, and connectivity. Repairs typically run $0-$300. Severity: medium.

What is the 2022-2024 Audi Q4 e-tron Audi connect Gen3 Telematics Dead - No Services in MMI and SOS LED Never Turns Green (TSB 91 23 22)?

Audi published a bulletin covering 2022-2024 Q4 e-tron (among many Audi models) for a condition where the Audi connect Gen3 online module never activates. In the MMI the connect services menu shows no available services, and the overhead SOS emergency-call LED does not turn green… Repairs typically run $0-$250. Severity: medium.

What is the 2022-2025 Audi Q4 e-tron Rear Drum Brake Shoes Corrode and Stick to the Drums After Parking (Regen-Related Disuse)?

Audi fitted the Q4 e-tron with rear drum brakes rather than discs, specifically because regenerative braking does so much of the deceleration that rear friction brakes would otherwise rust. The drums help, but they do not eliminate the problem: moisture that gets past the drum se… Repairs typically run $150-$700. Severity: medium.

What is the 2022-2023 Audi Q4 e-tron R-744 (CO2) Heat Pump Cannot Be Serviced - Dealers Lack Refrigerant and Equipment?

Q4 e-tron models built with the optional heat pump use an R-744 (carbon dioxide) refrigerant circuit, which runs at far higher pressures than a conventional R-1234yf system and requires dedicated recovery and charging equipment plus a specific refrigerant supply. Owners on AudiWo… Repairs typically run $0-$2,500. Severity: medium.

What is the 2022-2023 Audi Q4 e-tron False AVAS Pedestrian Sound Malfunction Warning in Instrument Cluster (TSB 93 23 20)?

Audi published a technical service bulletin covering 2022-2023 Q4 e-tron quattro and Q4 Sportback e-tron for a spurious warning that the acoustic vehicle alerting system has failed. The cluster displays 'Vehicle sound: Malfunction! Pedestrians cannot hear vehicle. Please contact… Repairs typically run $0-$200. Severity: low.

What is the 2022-2024 Audi Q4 e-tron MIB3 Infotainment Loses Stored Radio Favorites and Grays Out Lower-Display Shortcuts (TSB 91 24 90)?

Audi issued a technical service bulletin covering 2022-2024 Q4 e-tron quattro and Q4 Sportback e-tron and 2023-2024 Q4 RWD in which the MIB3 head unit loses stored radio favorites and the shortcut buttons on the lower display become grayed out and unusable. The bulletin supersede… Repairs typically run $0-$200. Severity: low.