12B701 code after E30 ots bm3

Karamk5

Active Member
First Name
Essa
Joined
Oct 14, 2022
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Location
Morgantown, WV
Car(s)
Mk5 Supra
Hey guys, I just changed my tune yesterday from stage 2 ots to stage 2 e30 ots on bootmod3 platform. It was running just fine yesterday but I noticed that the car is having sudden “yankings” when im driving. So I checked my 2 and got code: 12B701 and which states “Heating Lambdasonde2 bank1, function: internal resistance too high” anyone familiar with the problem? Fyi My car has a catless downpipe and a full catback exhaust.

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