EPC light, traction issue...stupid snow...lol

[darkteg]

Hey everyone, looking for a little advice here

So the car is an 04 A4 with 40 sum odd thousand km’s, now anyone living in the north eastern hemisphere right now, namely Toronto knows about the snowy hell we’ve been going through the last couple days so there’s more than enough slush sticking to the car right now. I was driving into work today, and I’m heading up a hill when I hit the gas and the EPC light suddenly comes on followed by the traction light 10 seconds later, so I pull into a parking lot shut down/restart EPC stays but traction goes away I start driving a little bit and as soon as the tires slip a bit EPC, traction and now the check engine lights all come on, shut down/restart and same thing. There is some power loss like the traction is trying to work but then I start sliding out, so I’m not really sure if it is working or not when I press the button to turn it on/off nothing happens. This feels like at might be an ECU issue, faulty sensor or something , but I’m not sure, I think I should get a diagnostics done, but has anyone heard of this before, any ideas suggestions??

[NvrFllw]

After it snowed alot here my car was doing the same thing. My wheels were packes with ice and so were the wheel wells.The tire had no clearance to the ice build up it was just rubbing against it. as soon as i took it out and cleaned the wheel wells real good it went away shortly after. I dont know if this was the cause but seemed like it helped. I would run a diagnostics on it.

[vdubstreets]

first thing to do is get that car scanned

[downhillracer]

one of the wheel speed sensors/ tone rings is filled up with snow so it cant get a wheel speed reading so it is throwing a code. once everything thaws out you should be good

[wolfdog]

NvrFllw is on the right track. Granted I don't deal with snow like you but when it does snow here, I include the wheel wells in my cleaning just like I would the windshield, etc.