Campaign 24K8 - ECM Update For EVAP Monitors

24K8 UPDATE - Engine Control Module Update 3.2L (CK) (FED_EMS)

24 12 13

2017503/5

February 14, 2012.

Supersedes Technical Service Bulletin Group 24 number 10 - 44 dated July 29, 2010 for reasons listed below.





Affected Vehicles





Condition
This Update has been released to prevent the following conditions from occurring in the vehicle:

^ Low running frequency of EVAP monitor.

^ Incorrect denominator for EVAP monitor in-use rate.

These conditions do not generate any customer complaint.

This Update only applies to vehicles registered in the states of California, Maine, Massachusetts, New York and Vermont.

This Update is in effect until removed.

Vehicle must meet all of the following criteria:

^ Procedure is valid only for vehicles that show the CK / 24K8 code in the ElsaWeb Campaign/Action Information screen on the day of repair.

^ Vehicle must be within the Federal Emissions Warranty.

^ Procedure must be performed within the allotted time frame stated in this Technical Service Bulletin.

^ Procedure must be performed on applicable vehicles in Dealer inventory prior to sale.

Technical Background

ECM software.

Production Solution

Optimized the ECM software.

Service

1. For LEV 1 vehicles, write down the long coding.

Tip: The flash process will delete all codings.

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





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





4. IMPORTANT: After performing the flash, manually enter the long coding you wrote down earlier. Accept Byte 3's change from 06 to 09.








Warranty

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.

Attachment
































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