The epc and check engine light might display on your dashboard simultaneously in which case the most likely culprit is a loose electrical connection or a faulty sensor e g crankshaft position sensor or camshaft shift sensor.
Audi brake lights come on by themselves.
When audi abs light stays on it means there is a problem with the anti lock brake system abs.
In this service bulletin gm reveals that increased resistance between the bcm and brake pedal switch results in voltage fluctuations that can cause the bcm to misinterpret the brake pedal switch signal.
The side assist helps you monitor the blind spots.
It warns you if there are vehicles that are getting closer or are in your blind spots.
The yellow circle with two dashed lines indicates that your audi brake pads are worn.
Your audi will go into limp mode to protect itself from damage.
So the bcm can command the brake lights come on by themselves or go off when you apply the brake.
This indicates the brakes are being activated even when the pedal s not being applied.
Gm service bulletin 16188 01 special coverage for brake lights come on by themselves.
Audi side assist blind spot monitor.
The easiest way to do this is to turn the car on and while the brake notification is lit up on the dashboard walk around to the back to see if the brake lights are on.
Brake light may also turn on at the same time.