My cars braking system hates wet weather, and these are the codes it throws up. Included in this post are pictures of the fault codes. I think it needs a new Brake pedal sensor and Rear Drivers ABS Sensor. Can anyone throw some light my way.

Thanks all in advance.

 

sounds like it. Start with the RR wheel sensor - check to make sure the connector and wires have not been damaged. You should be able to remove and test/clean before replacing (check youtube for vids). Shouldn't be an expensive part ($30ish). The brake position sensors do fail from time to time. here's a handy vid to give you an idea of the how to

 

I have purchased a new Brake pedal sensor as they are on discount (( better to save then spend more )) But will change the RR sensor first. If that resolves the problem I can always sell on the un-used Brake pedal sensor. I thought I had better double check on here I was heading in the right direction !! Thanks !