2006 Cadillac CTS with engine code P0430 Bank 2 below threshold, what does it mean?

Question

2006 Cadillac CTS with engine code P0430 Bank 2 below the threshold, what does it mean?

Answer 1

Hi there,

This code means the catalytic converter on bank 2 is not working as good as it should. In most cases you will have to replace the converter to resolve the issue.Sometimes the rear O2 sensor can cause the code.

Answer 2

P0430 CADILLAC - Catalyst System Low Efficiency Bank 2

Read more: https://www.autocodes.com/p0430_cadillac.html