Engine Controls - Ad Blue(R) MIL ON With DTC's Stored

26 12 01

February 10, 2012

2028009 *Supersedes T.B. V261102 dated December 13, 2011 to correct service number and labor operation number in warranty table.*





Vehicle Information

Condition





Ad Blue(R) light ON with DTC's P20E8, P20B1 and or P202A stored in ECM Fault Memory

Technical Background

Multiple DTC's may be stored in the ECM fault memory due to an under voltage condition in the Ad Blue(R) control module.

Production Solution

Improved ECM SW to avoid DTC's.

Service





Update-Programming Procedure:





^ Update the Engine Control Module using the SVM Action code as listed in the table shown.





The procedure can be found in GFF under Functions/Component Selection, Software Version Management, Adapting Software.








Warranty

Required Parts and Tools





No Special Parts required.

Additional Information

All part and service references provided in this Technical Bulletin are subject to change and/or removal. Always check with your Paris Dept. and Repair Manuals for the latest information.