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How do you reset the check engine light on a Audi?

How do you reset the check engine light on a Audi?

How to Reset Audi Check Engine Light

  1. Locate the OBD-2 port under the dashboard on the driver’s side.
  2. Plugin your OBD-2 Scanner into the OBD2 port.
  3. Turn key to position II.
  4. Allow the OBD2 scanner to turn on and connect to your Audi Engine Control Unit (ECU).
  5. Read / Clear Audi Codes.

How do you clear codes on Audi A4?

You can clear the codes in the ecu by disconnecting the neg. battery cable for a few minutes. Make sure you have the stereo code as you will need to input this. It takes roughly 40 miles for the ECU to reset and get back to normal after doing this.

Why is My Audi engine light on?

Audi A4 Check Engine Light Flashing Other common reasons for a Check Engine Light are faulty head gasket, faulty emissions control part, a malfunction with the fuel injection system, dirty mass airflow sensor, damaged oxygen sensor, or defective spark plugs to name a few.

Will Audi check engine light reset itself?

Will the check engine light reset itself? The check engine light on your Audi will usually shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it’s tightened, the light will turn itself off.

How to reset the Check Engine light on an Audi A4?

Audi A4 check engine light reset can also be performed by simply disconnecting the battery cables and the waiting for about a minute for system to completely shut down and the memory to be erased. Connect the cables and switch on your Audi A4 engine, the light should have been gone, same is the procedure for resetting the Audi A4 engine oil light.

Is there a way to reset the Check Engine light?

Here’s the quick trick to resetting the evil light. A quick note for readers before we get cranking here: If you are looking to reset service lights, for things like engine oil and other general maintenance items, this is the end of the journey for you.

Where is the battery in an Audi A4?

Depending on your specific model of A4, your battery is in one of two places: tucked under the plastic cowling in the engine bay, or in the trunk of your car under the false floor. For models with the battery under the hood, the battery should be in the exposed, center portion of the cowl, and be readily available.

What are the terminals on an Audi A4?

Audi has conveniently marked the terminals for positive (+) and negative (-). Be careful not to open any doors or tap any radio settings, etc., as you may lose any presets or one tap window function, and have to go through the relearning process for those as well.