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

01 MIL Light On, DTC P0421 or P0431 Stored in DTC Memory

01 08 20 2005579/4 December 8, 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.