I got the same thing. I believe it's a reading on the heater for the O2 sensor. Don't think it's a big deal (or at least I hope not). It might be a fuse, but I don't know where to get a diagram of the fuses.
Any insight anyone?
John
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Originally Posted by James8
Recently the I got a CEL on the MPV. I pulled the code and it says it's a P0031 Ho2s Heater Control Circuit Low Bank 1 Sensor 1.
Is this anything I need to be concerned about. I cleared it and it always comes back. Is this the heater control for the heat in the cab? Or is it something to do with maybe a O2 sensor or something? Van runs fine, but just want to know if I should take care of it or let it go.
Thanks for any input.
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