P0050 Hyundai Sonata I replace B2_S1 and still come up with this code any ideas?

Question

P0050 2005 Hyundai Sonata 2.7L I replace B2_S1 and still come up with this code any ideas?

Answer 1

HI there

This could still be an issue with the wiring or the ecm. The code is for the heater circuit itself, so if the replacement sensor still has the same issue, chances are very good it's in the wiring.

Answer 2

P0050 HYUNDAI - HO2S 21 Heater Control Circuit Fault

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