Hi Jim,

[...trimmed text...]

Can you clarify what you mean here.

Here is a PIP snippet for a 2005 Yukon (doc #2232766).

On a new vehicle, catalytic converter efficiency DTCs P0420 and P0430 are... Login to read more.

iATN Members:
Login to read this message and participate
Auto Repair Pros:
Join iATN to read this message and others
Vehicle Owners:
Find a nearby iATN member to repair your vehicle