Audi A3 (8P) Facelift – Disable license plate light control (OBD LED error) (Coding)
Purpose: Allows you to deactivate the license plate light control. Useful when installing an LED bulb without resistance or anti-error or an original Audi LED module.
Proceed:
1 – With the engine off and the ignition off, connect your official VAG-COM VCDS cable to the computer and then connect the other end to the diagnostic socket on your vehicle.
2 – Turn on the ignition and start the VCDS program.
Line 1:
3 – Click on “ Select ” then click on “ 09- Power station ”.
4 – Click on “ Coding 07 ”.
5 – Select module “0” and click on “Long coding assistant”:
Byte 23 :
Bit 6 : Uncheck: “Lamp Monitoring (Cold) License Plate Lamps Active”
And Byte 17 :
Bit 7 : Uncheck “License Plate Light w/o Pulse Width Modulation (PWM) [LED Light]”
Or check Bit 7 if you are installing an original Audi LED module or if the error does not go away after clearing the fault for standard LED.