P0138 Nissan -

Question

Had a shop change my bank one sensor two oxygen sensor 3 times now and I still keep getting the high voltage code in that sensor they don't have a clue.

Answer 1

Hi there,

Ordinarily, replacing the O2 sensors should solve the issue, However, since having the sensors replaced has not resolved the issue, it's possible the wiring is faulty. Here is some more info for you.

P0138 NISSAN - HO2S12 Circuit High Voltage

Read more: https://www.autocodes.com/p0138_nissan.html