P1153 Chevrolet -what must be done to correct this code

Question

Both cats and all four sensors have been replaced a few months ago. What is giving me this code and how do I correct it?

Answer 1

Hi there

Since this code is typically an issue with the sensor, and you have replaced them. I would look for an issue with the computer or with the wiring to the sensor. 

P1153 CHEVROLET - HO2S Insufficient Switching Bank 2 Sensor 1

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