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Check engine light stays on

26K views 6 replies 4 participants last post by  4x4s4me  
#1 ·
My check engine light went on during a ride this weekend and won't go off. Also not sure what this code means.
 
#3 ·
My check engine light went on during a ride this weekend and won't go off. Also not sure what this code means. View attachment 440625

Is it running alright?

If it is running alright, put it in low range and drive it at 4500 RPM for about 10 seconds. I did that just this morning and the Check Engine and the Power Steering warning light went off and all was back to normal.
 
#4 ·
As you probably already realize, it's saying the ECU has lost connection to the EPS.
I had this happen a few times a couple months ago and had some luck just resetting the ECU but it got to where it would come right back and wouldn't reset.
I looked at the EPS relay and it looked like it had gotten wet so I replaced it. It's worked flawlessly ever since and the good thing is it's only $13.
Good luck with this deal!
 
#6 ·
Good deal, I'm glad you got it sorted out.
So was there another code besides the one in the OP or was that code in some way tied to the oxygen sensor replacement?
Just trying to wrap my head around it.