Please help! Error Code 520 230 31

Quikbilla · Feb 22, 2021

Hi guys, I have a 2012 900 XP4, I was duning this weekend and I noticed power was being lost, then suddenly just wouldn’t stay running and would die. I turn the key with foot on brake and no action at all. Battery seems fine, belt is good, gas in car, no clue what my issue is?
On the dash it said check engine then I held the button down and this code came up “0 520230 31” along with the wrench and hour glass.
Anyone know where I can start? I’m hoping it’s a fuse/sensor/relay of some sort?
When searching online I am getting mixed messages I feel like but seems to be leaning towards a EPS issue according to forums?

Pic is of error I was receiving.

Thanks in advance.

Max H · Feb 22, 2021

Here is the code description
520230 31
IC CAN communication error with EPS Condition exists

Double check you battery voltage again and charge it .. the EPS is very sensitive to low or high voltage.
Also check your grounds ..especially the one in the rear wheel well on the drivers side, on the frame

Raidrzr · Feb 22, 2021

This error code often occurs a weak battery or if you leave contact too long with the engine off then what the defect appears just to turn off the contact and put it back on to cement your battery is weak

ty cook · May 16, 2023

Did you figure out what was going on having similar issues in 2016 rzr 1000xp

davidr555 · Jul 17, 2023

Hey, I have a 2019 RZR 900 EPS doing the same thing lost power after 30 minutes of driving I can stop turn off the key and it is fine for another 3 miles and repeats did you figure this out? I would love to know I checked the fuel pressure the fuel tank vent tube, spark plugs, air filter and replace the voltage regulator. Could it be that simple that the battery is bad and causing this?

mr.mrsmassey9207 · Sep 20, 2023

Mine did the exact same thing and it ended up being from an incorrect relay being used to run the aftermarket pod lights and mirror lights once I had it sent to a player shop and they checked everything and replaced that relay for me everything was fine mine shut down on me in the middle of a road

Please help! Error Code 520 230 31

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