2003 A4 Convertible in Limp mode! Help needed!

MrSPBrown

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Hi all,

I have searched this site for answers so apologies if this has already been answered but i couldn't find it.

I have a 2003 audi a4 convertible that has suddenly gone into limp mode. It happened after the heavy rain yesterday, shortly after i noticed a puddle of water in the drivers footwell. At the same time the drivers side brake light went. So, my question is... could a brake light being out cause limp mode? or could the water in the footwell also of got into the fuse board and shorted a fuse?? i did read one conversation where someone had the water in footwell and advised to turn heater on full blast for 90 minutes but i did this and no change. I am about to go and get new brake bulb but thought i would wait to see if any other parts might be needed.
 
Check under the bonnet, looking on rear left. There an ECU box and the seal often leads letting water drip into the fuse box below. Mine did it once.
 
Get it scanned and clear the codes and see what comes back on
 

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