2024 Audi A6 Problems: 2 Issues Every Owner Should Know
2024 model year · 1,600+ owner reports · Updated April 2026
According to Au7o's analysis of 1,600+ owner reports, the 2024 Audi A6 has 2 documented known issues. No issues are rated critical, indicating generally reliable ownership. The most commonly reported issue is MMI Infotainment System Freezing and Black Screen with 900 owner reports. Across all issues, repair costs range from $0 to $3,000. DIY maintenance guides at au7o.io.
All 2 Known Issues
On the 2019-2025 Audi A6, the C8 A6 MIB3 infotainment system experiences frequent freezing, black screens, and spontaneous reboots. The dual-screen MMI touch response system can become unresponsive, losing climate control, navigation, and vehicle settings access. Software updates from Audi have improved but not fully resolved the issue.
Common Symptoms
- Infotainment screen goes black while driving
- Touch screen becomes unresponsive
- System reboots spontaneously
- Climate controls inaccessible due to frozen screen
- Backup camera does not activate
- Apple CarPlay/Android Auto disconnects frequently
- Navigation freezes mid-route
- Volume controls stop responding
How to Fix
Perform a hard reset by holding the power button for 15 seconds. If persistent, visit the dealer for the latest MMI software update (check current version in Settings > System). Some units require the MIB3 module to be replaced under warranty. Audi has released multiple software patches addressing stability.
What Owners Are Using
Parts and tips from 900+ owners who fixed this issue
- TipBefore dealer visit, try: hold power button 15 seconds for hard reset. If that fails, disconnect the 12V battery for 30 minutes to fully reset all modules. Document occurrences with video for warranty claims.
- TipCheck your MMI firmware version (Settings > System > Version Info). Updates are free under warranty. If out of warranty, some updates are available via USB download from Audi connect.
- UpgradeProfessional OBD-II diagnostic scanner for reading infotainment and body module codes (BlueDriver Bluetooth Pro OBD2 Scan Tool)
- UpgradeAutomotive relay replacement set for common relay failures (Bosch Automotive Relay 5-Pin 12V)
- UpgradeDigital multimeter for diagnosing fuse, relay, and module electrical faults (Innova Digital Multimeter)
On the 2019-2025 Audi A6, the C8 A6 48V mild hybrid system experiences faults related to the belt-driven starter-generator (BSG) and 48V lithium-ion battery. The system manages engine start-stop, coasting, and energy recuperation. Failures cause rough engine restarts, loss of start-stop functionality, and warning messages. Cold weather exacerbates the issues.
Common Symptoms
- Rough engine restart from auto-stop
- Start-stop system disabled warning
- 48V system fault message on dash
- Engine shudders when restarting at traffic lights
- Reduced fuel economy from disabled recuperation
- Battery warning light illuminated
- Coasting function no longer activates
How to Fix
Dealer diagnosis with latest ODIS software is required to determine if the 48V battery, BSG unit, or DC-DC converter is at fault. Software updates address many false fault triggers. Hardware replacement of the 48V battery ($1,500-$2,500) or BSG ($2,000-$3,000) may be needed for persistent issues.
What Owners Are Using
Parts and tips from 700+ owners who fixed this issue
- TipFirst step is always a software update at the dealer. Audi has released multiple calibration updates for the 48V system. Many faults are resolved with software alone, avoiding expensive hardware replacement.
- NoteDo NOT disconnect the 48V battery without proper training. The 48V system can deliver dangerous current. Always have the dealer or qualified technician service 48V components.
- UpgradeHigh-performance AGM battery with excellent cold cranking amps and deep cycle capability (Optima RedTop AGM Battery)
- UpgradeOEM-quality replacement battery with reliable performance (ACDelco Professional AGM Battery)
- UpgradeAutomatic battery maintainer to prevent parasitic drain issues during storage (Battery Tender Junior 12V Battery Charger Maintainer)
- UpgradeOEM-quality starter motor for reliable engine cranking (Denso Starter Motor)
- UpgradeRemanufactured starter with gear reduction for improved cranking performance (Remy Remanufactured Starter Motor)