2011 L218 codes 1203 and 3029

[RDLDRDLD]

While I was moving snow the skid started intermittently running at low RPMs. Now it will start and sputter around 100 to 400 RPM for a few seconds and quit. The 3029 code says the oil pressure sensor is shorted and I replaced it. The 1203 code is for RPM sensor.
I heated everything up and same issue. If I let it set for a while, it will run a few more seconds than if I start it back to back.
I don't know if the errors are causing the problem or if they are a result of it not getting to the operating RPM it is expecting.
I will replace the 3rd filter, by the engine. I am looking for any info on these errors. The service manual is pretty vague. If someone has the wiring diagram and location of the RPM sensor it would be much appreciated.
I will call the dealer to see what they say, Monday.

Replaced oil filter, 2 of the 3 fuel filters, oil pressure sensor.

 

[yohanan]

Hi, I have the same error code, I worked on my case sr200 2012, go down for a moment then up back. try to move but I get the worning (!) and also aux override lamp flashing, operation is on, bom gose up and down but the machine did not move. I shut down engine and after few minutes try again, the worning (!) still on aux override flashing, screen show code 1203 insted the RPM. I can move the machine and check all fuzes. they are o.k, So, what is the problem? this machine did not have rectangel ODB connector, only a round connector.
Yohanan