Emissions - MIL ON DTC P229F/P2201 For NOx

01 MIL on (DTC P229F and/or P2201 for NOx sensor in ECM)

23 10 01

2022479/2

2/5/2010

Supersedes Technical Service Bulletin Group 24 number 09-29 dated December 22, 2009 for reasons listed below.





Affected Vehicles





Condition

^ MIL on.

^ DTC P229F or P2201 (NOx Sensor Circuit Range/Performance) stored in ECM.

Technical Background

Software update needed.

Production Solution

New software in the 4L0 907 401 B Control Module (J623) addresses the condition.

Service

1. Follow all instructions in the attached TSB 2011732 00 Software Version Management (SVM), operating instructions.

2. Update the ECM using the SVM action code as listed in the table below if necessary.





Warranty





Additional Information

All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.

















Attachments - 00 Software Version Management (SVM), operating instructions