Audi Q4 E-TRON

On March 20, 2026, while my 2022 Audi Q4 e-tron (VIN: [XXX] ) was parked in my private garage at approximately 98% battery charge, I attempted to start the vehicle and experienced a complete electrical system failure. All electronic systems failed simultaneously, including: brake system (Brake System Failure warning displayed), parking brake sensor, traffic/charging system, power windows, and side view mirrors. The vehicle could not be placed into neutral. AAA was dispatched and the vehicle required a jump-start to the 12-volt auxiliary system before it could be moved. The vehicle was towed to Audi Beverly Hills for inspection. The dealership diagnosed the fault as: Control Module Main Processor Performance, Symptom Code 20079, per Technical Service Bulletin TSB 2074484/3. Per that TSB, the dealer was instructed by Audi of America to create a PSS (Pending Service Solution) record, erase the fault memory, and release the vehicle to me with no repair performed. The stated guidance from Audi of America to the dealer was to inform me that this is "an extremely infrequent fault" that is "being reviewed." No fix exists. No timeline for a fix has been provided. The vehicle was released to me with the underlying defect unresolved. This is a known, manufacturer-acknowledged defect with no current remedy. As a fully electric vehicle, the Q4 e-tron's braking and all safety systems are electronically dependent. A recurrence of this fault while driving presents an unreasonable safety risk. I am requesting NHTSA investigate whether TSB XXX /3 and Symptom Code 20079 warrant a formal safety recall. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Received a low pressure warning and got off the freeway at the next exit, less than 1/2 mile. Unable to stop on freeway. Before even changing lanes the tire blew out all pressure, total failure. Within 15 seconds of low pressure warning. Stopped immediately after exiting freeway and observed the tire was shredded (see pictures).

I am filing this complaint due to ongoing electronic and drivetrain malfunctions that may impact safe vehicle operation. AWD System Malfunction (Primary Safety Concern) The vehicle repeatedly displays four-wheel drive system malfunction warnings. I have brought the vehicle to the dealership three times for this same issue. The malfunction continues unresolved, raising concerns about traction, stability, and drivetrain reliability. Intermittent Entry Failure Biometric entry intermittently fails, forcing use of the key fob. This could delay access in emergency situations. Remote System Failures Remote vehicle functions (lock/unlock and climate control) operate inconsistently or fail entirely, often generating error messages. Audi has stated this is a system infrastructure issue with no current fix. Battery Power Inconsistency Although the battery indicates 100% charge, actual available power never reaches full output and drops shortly after driving. This creates uncertainty about vehicle performance and usable range. HUD Feature Does Not Perform as Advertised The head-up display does not show surrounding vehicle speeds as advertised, only colored indicators. This removes expected situational awareness information. Summary The vehicle exhibits repeated drivetrain warnings, electronic access failures, and inconsistent battery performance. These issues persist despite multiple service visits. I am requesting this complaint be formally recorded and investigated due to potential safety implications.

At least a dozen times, while accelerating from a complete stop, the car has experienced sudden unintended very hard braking without driver input. After very hard brake, car falls out of gear and needs to be restarted and put back in gear. -In clear, dry, temperate weather -Day and night -In drive and reverse -While accelerator engaged -Not touching brake pedal -No obstacles, pedestrians or vehicles present that would require braking -No warnings, alerts or messages on screen -Occurs randomly, nothing to indicate braking is needed -Most recent incident, on flat, familiar road, clear, temperate weather, no obstacles, car unexpectedly braked after accelerating from traffic light, fell out of gear and would not go back into gear for several minutes, resulting in near rear-end collision with multiple vehicles behind that did not expect sudden stop while accelerating. Eventually car would drive a short distance then hard brake, slip out of gear, not be able to drive. This was repeated 4 times before finally being able to drive without failure. -Audi inspected, could not reproduce the issue. It occurs very randomly, so it’s difficult to reproduce on demand. -No fault codes were found or stored -Dealer said without being able to reproduce it there was nothing to be done. I asked for TAC case to be opened for assistance. They strongly refused but eventually agreed. Case was opened but immediately rejected (within minutes). Later they said it was rejected for missing info, including location of incidents, which they never asked me for and I could have provided. Sudden random very hard braking and going into park while accelerating, then not being able to drive, with no warnings or fault codes, is a safety hazard.This has happened many times over a year. Other vehicles can crash into an unexpected stopped car in traffic. The last time I came within a millisecond of a major crash.

CRITICAL SAFETY DEFECT: HIGH-SPEED BRAKING SURGE & ELECTRICAL FAILURE Life safety concerning ! 1. Braking Failure at Highway Speeds: The vehicle exhibits a severe safety defect involving unintended acceleration/surging while braking. While driving in 'D' (Drive) mode at approximately 50 MPH, when applying the brakes to stop for traffic/red lights, the vehicle fails to decelerate immediately. Instead of slowing down, the vehicle surges forward against the braking input, feeling like a loss of regenerative braking authority. This results in extended stopping distances and near-miss collision risks at high speeds. 2. Charging & Electrical System Failure (Suspected Recalls): The vehicle suffers from persistent electrical failures that the dealer dismissed as "user error" or a "bad plug," but which match known Audi safety recalls: (A)AC & On-Board Charger Failure: The vehicle threw "AC System" error codes and fails to charge reliably, shutting off after short periods. This mirrors symptoms of Recall 93FR (High-Voltage Battery/On-Board Charger), risking a 12V battery stall. My car model was among those impacted recalled car dearies even now it is not listed as one of the recall Model by VIN#, I strongly suspected my car has same defect. Many websites have address this life threatening issue would [XXX] ." (B):Charging Cable Overheating: The included 220V charging cable is suspected to be defective (matching Recall 93U6), which poses a fire risk at the outlet. (C)Interior Voltage Instability: Wired USB-C ports cut power/disconnect devices less than 5 minutes of use. 3. Dealer Negligence: The dealership (Audi Tysons Corner) failed to diagnose these issues ("Could Not Replicate"), refused to replace the recalled charging cable, and released the vehicle with active "Inspection Due" warning lights. The vehicle is unsafe to drive. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Car had electrical malfunction warning please contact costumer support and car died and zero damage to the body or the car. But the side air bags faulty went off. This car had a prior recall on file for same issues of car dying off and clerical problems. I got this car in September 2025 and had issue with it within the second month of having this car. I was not told there was a prior recall at all.

I was stopped in line at a drive through. The car started rolling (electric cars should not do that) so I tapped the brakes. The car started accelerating and I started braking hard and the car just sped up. Auto braking and collision warning did not kick in. The car slammed into the car parked in front of me and drove it forward about 10 feet. The driver has soft tissue injuries as do I. In the past, it has also lost acceleration while driving did not respond to the gas pedal. I frequently get warnings that the safety features are temporarily not working.

When vehicle is energized and in Neutral "gear" the vehicle makes no sound. I understand that federal safety standards indicate that when in this status, the vehicle should generate a sound so pedestrians can hear it. The vehicle does NOT generate a Vehicle Sound malfunction alert when this occurs (and it should). This condition is reproducible all the time. The service manager at Audi Dallas witnessed this condition and verified that it also occurred on a similar vehicle he had on the lot. I called NHTSA several months ago to report this, but I cannot find a record of it online so am repeating the report. If you do have a record of it, this is a redundant report.