2006 Chevy Silverado code on bank 2. P2A04 bank 2 performance what is that?

Question

i replaced both of my o2 sensor bank and bank 2 upper stream but I'm getting this code on bank 2. P2A04 bank 2 performance what is that?

Answer 1

Hi there,

This code points to an issue with the rear sensor on bank 2. Here is some info for you.

P2A04 CHEVROLET - O2 Sensor Circuit Range/Performance Bank 2 Sensor 2

Read more: https://www.autocodes.com/p2a04_chevrolet.html