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Cel P1791

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TSIMonsteR

20+ Year Contributor
1,872
24
Nov 23, 2003
HP, North Carolina
Okay, here is the deal. I got a cel the other day, so I went to advanced auto to get the code pulled. They came up with this:

P1791 Manfacurer Contrl. Transmission

I checked troublecodes.net/mitsu and here is what they have for P1791

P1791 Engine Coolant Temperature Level Input circuit


Which is it, and what should I check?
 
Engine Coolant temparture Level Input Circuit to Tcm failure. Check your temperature sensors on your thermostat housing. Replace both if necessary.
 
Wait, is it P1791 or p1751? You posted two diff codes here.
 
P1791 is the code I get, but I really don't know what the code is?? Autozone said it was a Manufacure Contrl. Transmission
 
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