I need to replace parts of 2003 Santa Fe? can you please tell what does P0056 means?

Question

I need to replace parts of 2003 Hyundai Santa Fe? can you please tell what does P0056 means?

Answer 1

Hi there,

This code is for the heater circuit on the bank 2 rear O2 sensor. In most cases replacing the sensor will resolve the problem.

Answer 2

P0056 HYUNDAI - HO2S 22 Heater Control Circuit Fault
Read more: https://www.autocodes.com/p0056_hyundai.html