Question

I have both codes p0051 and p0031 are they fused together or separately?

Answer 1

Hi there,

These codes indicate an issue with the heated O2 sensors on bank 1 and 2 sensor 1. Here is a list of possible causes.

P0031 - HO2S Heater Control Circuit Low Bank 1 Sensor 1

Read more: https://www.autocodes.com/p0031.html