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could be a rear wheel speed sensor, I had similar intermittent warnings, I've got a thread on here from about 3-4 months ago (IIRC)

Hi, resurrecting this thread looking for some help and advice to locate a specialist RS differential garage. I have had the “Sport Differential malfunction” warning light permanently on my 2014 RS4 dash for a few weeks and have already spent around £1000 with Audi main dealer and an Audi specialist...

Just as a follow up. I took the car to JKM in Portsmouth (who I was very impressed with), this is what they did: Initial data log and diagnostic scan of system gave codes for left rear speed sensor electrical and mechanical faults, All codes cleared and driving up to 70mph all sensors are matching e...

Well that's annoying, I think the battery did need replacing, both from the test the the garage did, but also the reading on my CTEK charger, however after changing the battery I still have all the warning lights, but when the mechanic cleared all the error codes, he did see the following fault code...

Hi mate. Nip to Halfords and get them to do a free battery test. This can happen from a very weak battery. Thanks for this Bendelaurence I did take it to a local place who did test it and said it needed replacing (may well have said that irrespective of the test!), so I think that's the probable ca...

Hi All, Recently had multiple warning light come on at start-up (TPMS, parking brake, parking sensors etc.) and from another thread on here this seems to be typical symptoms of a failing battery. Audi Portsmouth say they can't do anything for 3 weeks, but it's not clear to me if I can just take it t...

i'm fairly sure I read it in the instruction manual (You don't need to do anything fancy, unless a previous owner has altered mine). There's a button on the bottom of the right hand stalk (wipers), press that and it will cycle between lap timer, oil temp, and two trip counters (or something similar)...

Thanks for all the suggestions guys, appreciate it. Don't know why I didn't think of just looking at the normal A4 one.. clearly had my RS blinkers on. :lol: Duelsy - did you buy the Hatchbag H0458 for your RS4 ? I've had one of theirs in our Golf R (which was great), and looking to get one for the...