The truck has been running a little odd the last couple of days, I figured it was due to the cold, but I decided to check my codes anyways (have one on at all times due to P0471 due to me doing a straight pipe exhaust after my tune).
For the P0037 is says 1/2 heater circuit low and P0054:h02S heater resistance bank 1 sens 2.
Where are these located so i can get them addressed?
Oh, and if you have any tricks on the P0471 code, that would be awesome.
DRD 60hp tune with MM3.
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