Engine Controls - Runs Rough Or Low Idle After Startup

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October 31, 2011

2027904





Vehicle Information

Condition

Update Programming to Eliminate Rough or Low Idle after Startup

Note:

DO NOT diagnose or replace components due to rough idle concerns before performing the update function as explained in this bulletin.

Technical Background

Customers may experience a rough running condition, or low idle speed that occurs after startup.

The condition is no longer present after applying the throttle pedal.

DO NOT replace any parts for this condition.

This condition as described does not affect vehicle performance or operation.

Production Solution

Improved software.

Service

Update-Programming Procedure:





Tip:





Update the Engine Control Module using the SVM Unit code as listed in the table.





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 Parts Dept. and Repair Manuals for the latest information.





Owner Information About Control Module Tuning Form