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Engine Controls - ECM Update For OBD Improvements

01 Information missing from OBD scan tools

24 12 20

2017907/4

March 2, 2012.

Supersedes Technical Service Bulletin Group 24 number 10 - 29 dated June 11, 2010 for reasons listed below.





Affected Vehicles





Condition
Information concerning catalyst efficiency results (Mode 6) and driving distance with MIL on (Mode 1) is not reported to generic OBD scan tools.

Technical Background

All diagnostic and functional parameters are calculated properly. This ECM update will not increase or decrease engine performance.

Production Solution

Updated software in the Engine Control Module (J623) to SW Level 0030.

Service

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





2. Update the ECM (J623) using the SVM action code as listed in the table above if necessary.





Warranty

Required Parts and Tools
^ Approved battery charger.

^ VAS 5051A and VAS 5051B must be connected to 110V AC Power supply at all times during procedure.

Additional Information
The following Technical Service Bulletin will be necessary to complete this procedure:

^ 2011732 00 Software Version Management (SVM), operating instructions

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

Attachments
































^ 2011732 00 Software Version Management (SVM), operating instructions