Engine Controls - MIL ON/DTC's P0421 or P0431: Overview

24 Malfunction Indicator Light (MIL) on, DTC P0421 or P0431 Stored in DTC Memory

01 08 30 2015172/2 December 9, 2008. Supersedes Technical Service Bulletin Group 01 number 03-05
dated May 5, 2003 to change the title.

Condition

Technical Background

Production Solution

Service
Please review the attached Technical Service Bulletin.