Computer/Controls - DTC P050A And High Idle Faults

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November 17, 2011

2027882 *Supersedes T.B. V011120 to correct SVM code.*





Vehicle Information

Condition

Update Programming to Address DTC P050A and High Idle Faults





DTC P050A may be stored in the ECM Fault Memory:

Technical Background

Diagnostic logic is too sensitive. This causes a fault for high idle speed when the secondary air pump is operating.

No further faults are stored in the ECM.

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 and Note








^ Update the Engine Control Module using the SVM Unit code as listed in the table below:





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