2019 Audi Q8 electrical system problems

Related recalls

No recalls on file.

What owners say

1. Filed Sep 24, 2026ARElectrical SystemEngine

   Engine overheated and dash warning light did not illuminate until coolant was completely overheated. i followed the light, pulled off the road and let the engine idle until the light when away as directed and proceeded to drive approx 10 miles total distance to work from first warning light to full engine failure with electrical system failure due to being melted and three of my cylinders were misfiring. Audi states i need a full engine replacement at my expense and is not…

   NHTSA complaint #11766823 · source
2. Filed Apr 17, 2026CADriver Assistance & Safety TechElectrical System

   - Vehicle: 2019 Audi Q8, VIN [XXX] - Recall: Campaign 25V900 (90TV), Rearview Camera Software - Dealer: Audi Marin, 700 Francisco Blvd W, San Rafael CA, BAR# XXX - What happened: Recall attempted April 1, 2026. Technician logged Error 005A — communication failure with front driver assistance — on RO #XXX. Vehicle returned with rearview camera non-functional and driver assistance systems unavailable. - Current status: Dealer claims recall was performed. Rearview camera…

   NHTSA complaint #11731959 · source
3. Filed Jun 20, 20249,800 miFLBody & StructureElectrical System

   The contact owns a 2019 Audi Q8. The contact stated that while driving at an undisclosed speed, a central locking malfunction warning sign was displayed. The contact stated that later when a rear passenger attempted to exit the vehicle, the door failed to open. The driver’s and passenger’s side rear doors failed to open. The vehicle was taken to a dealer where it was diagnosed with a failure related to Technical Service Bulletin: DTC B14FF29. The vehicle was repaired under…

   NHTSA complaint #11595508 · source
4. Filed Mar 20, 2024OHElectrical SystemEngineAcceleration & Cruise Control

   I was driving home from work when all of a sudden I got error messages: Electrical system malfunction! Please contact service; Start/ stop system: malfunction! Function unavailable. Please contact Service, yellow battery light and the car died. None of the safety features, locks, engine, or air condition worked and the car had to be towed to the dealership. Within 1 mile of the lights appearing the car died, putting my safety and those on the road at risk. I left in the…

   NHTSA complaint #11578605 · source
5. Filed Jan 2, 2024TXElectrical System

   While driving down the freeway to the dealership a electrical system malfunction message came across the display. I continued on to the dealership and suddenly started getting system failures. One by one it popped up and said every single system failure including brakes and steering system malfunctions. Then it said transmission malfunction and I immediately lost all forward propulsion. The engine just revved when I hit the gas. I had to fight my way over to the shoulder…

   NHTSA complaint #11563199 · source
6. Filed Dec 19, 2023TXElectrical System

   Electrical malfunction displayed on dashboard with every system in the car shutting down within seconds. I was stranded on the freeway shoulder. Maybe an issue with the alternator.

   NHTSA complaint #11560814 · source
7. Filed Nov 23, 2023TXElectrical SystemSteeringTransmission & Drivetrain

   While driving warning light came on electrical malfunction on highway cat lost all power following a series of light’s indicting multiple malfunction then transmission disengaged I was able to coast to a stop , was unable to get out of vehicle due to car not unlocking

   NHTSA complaint #11556584 · source
8. Filed Nov 12, 2023OHElectrical SystemLighting

   Car showed “electrical system malfunction” while driving. Said that the start/stop system failed. Proceeded to say that the rear brake light not functioning while driving, which would pose a safety risk to all drivers and myself.

   NHTSA complaint #11554725 · source
9. Filed Nov 8, 2023GAElectrical System

   Purchased in 12/22. Electrical System Malfunction was alerted on 11/7/2023. On 11/8/2023 car shut off, and would not start again. Battery is completely dead, and mechanic says it’s an Alternator issue. Part is on international back order for at least 2 months. Audi knows of this issue and is still selling these cars. Will not provide loaner, and has multiple vehicles sitting on lot waiting for part.

   NHTSA complaint #11554248 · source
10. Filed Oct 26, 2023PAElectrical System

    While driving the vehicle to work, several warnings came on saying there was a system issue and to pull to a safe spot. The car was pulled off the main traveling lane into a turning lane where it died. The electrical system did not work at all. The hazard lights could not be put on. The prior day the auto stop light came on saying there was a malfunction with that. The dealer was contacted. They said it was fine to drive. The car is currently at the dealership.

    NHTSA complaint #11552036 · source
11. Filed Oct 7, 2023NYElectrical SystemFuel, Hybrid & EV Propulsion

    Electrical malfunction warning light and assorted other warning lights came on during acceleration on highway. Loss of car functions due to error. Car is waiting on parts due to failed belt start generator as part of its 48 volt mild hybrid system.

    NHTSA complaint #11548778 · source
12. Filed Oct 5, 2023CAElectrical System

    While driving 35 mph car electrical system started to shutdown. Red warning message came on immediately followed by car turning off while in drive and car was moving.

    NHTSA complaint #11548483 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology