Audi RS6 Avant

My Audi RS6 has experienced a failure involving the engine cooling system/water pump that requires repair. This appears to be a recurring issue among C8 RS6 owners. Other owners have reported water-pump failures, coolant loss, overheating, drivetrain malfunction warnings, turbo underboost faults, and vehicles entering reduced-power or limp mode. Audi has also issued technical service information addressing coolant-pump leakage and related cooling-system problems. I am asking NHTSA to…

My Audi RS6 has experienced a recurring central locking/door latch malfunction. The vehicle displays a “Central Locking System Malfunction” warning and the affected door does not operate normally. This appears to be a known issue affecting the C8 Audi platform. Audi has issued a Technical Service Bulletin addressing front and rear door-lock failures on the RS6 and other related models. Audi’s own bulletin describes conditions including doors that cannot be opened from the outside or inside,…

Continued central locking malfunction warning, predominantly on the passenger side doors. Car will not lock properly in this state, leaving the car in an unsafe state. Have had the passenger front lock replaced previously, but continue to get the problem since purchase.

Repair (component replacement) performed under Audi recall 27BQ (or 27BQ_DLR_LAUNCH) for faulty starter-alternator that can cause immediate catastrophic failure of all electrical systems affecting powertrain, steering, suspension, safety features, and emissions equipment has failed after 12 months and 2,516 miles. The replacement component suffers from the same catastrophic failure. Car indicates sport differential malfunction, suspension malfunction, steering malfunction, start/stop system…

The rear camera on the car repeatedly does not work. The car has been to the dealership for replacement parts several times with the problem recurring. The rear camera does not work most days. In addition, the other cameras have failed repeatedly resulting in safety systems such as automatic collision sensors working and not-working randomly when driving the vehicle.

Loss of electrical power while cruising on the interstate at 65 mph. There was a series of warning messages, YELLOW colored malfunctions such as Sport differential malfunction, electric system malfunction. Then RED colored warning message Electric system: Malfunction! Safely stop vehicle. At this point, engine was running but was no longer connected to the transmission, Power steering failed. All I could do was coast to the shoulder and stop. Car would not restart. Appeared to be a…

The generator cut off and the car coasted to a stop. The generator on these vehicles is failing on almost every single one.

The last few times I've started my car, the instrument cluster takes multiple minutes before it turns on, while the yellow check engine and red warning lights flash repeatedly.