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CaptainLF...
Did increasing the pressure in tires do the trick for the 01521 fault code? The reason I'm asking is because you might have been below the threshold in the rear ones.

B7 RS4 with Fault code 01521... My question are... Is there a way to tell which sensor is bad? Is there a way to tell battery level per individual sensor? All this of these while using the VAG COM tool (which I just got :)). Thanks in advance last but not least can I change the CODING: 0062523 to sa...

5 Ohm 50W wirewound resistor working perfect since installed 5/8/13. I will post here if it fails.
Thanks all for your input.

The 3 Ohm resistor is not enough... It makes the same warning blink from time to time. Just ordered 5 Ohm 50W resistors.

So...
Failed resistor was the culprit. (MikeFish you're 'da man)
Just happen to have a spare 3 Ohm 100 W wirewound resistor and to my surprise/delight it creates enough resistance to trick the computer. Thank you all again for your input.

First of all thank you all for your input...
I have had LED DRL's with the proper resistor in place (25w 10ohm) for about 6 months now. I will check the side lights and take out the LED and replace with original bulb to see if this works. I try these few thing and post my findings. Thanks again.

OK... The headlights go on normally and do their dance as always (up,down and to the sides). Still this warning comes on and stays on as long as the car is running. Can someone shed some light on possible solutions here, or at least a systematic approach to solving the problem short of taking the ca...