Engine Controls - MIL ON/DTC P2181 Set

01 10 12

August 24, 2010

2024130





Vehicle Information

Condition





Update Programming, MIL ON, P2181 Cooling System Performance

Update programming of the Powertrain Control Module (PCM) with improved software to correct Diagnostic Trouble Code (DTC) P2181.

Tip:

^ StarMOBILE(TM) UPDATE PROGRAMMING FILES FOR THIS BULLETIN MUST BE RETRIEVED FROM THE INTERNET.

^ StarMOBILE SOFTWARE LEVEL MUST BE AT RELEASE 10.1 OR HIGHER FOR THIS BULLETIN.

^ StarMOBILE STANDALONE MODE OR StarMOBILE DESKTOP CLIENT MAY ALSO BE USED TO PERFORM THIS PROCEDURE.

Production Solution

Improved PCM software has been introduced in production as of MY2010.

Service

Update programming of the Powertrain Control Module (PCM) with new software.

DIAGNOSIS
Using a StarMOBILE(TM) with ElsaWeb and the appropriate Diagnostic Procedures, verify all engine systems are functioning as designed. If DTC's are present, record them on the repair order and repair as necessary before proceeding with this bulletin. If the customer describes the Symptom/Condition, or it can be reproduced, perform the Repair Procedure.

REPAIR PROCEDURE

Note:

If this flash process is interrupted / aborted, the flash should be restarted.

1. Reprogram the Powertrain Control Module using the StarMOBILE with the latest software.

2. After PCM reprogramming, the following must be performed:

^ Clear any DTC's that may have been set in other modules due to reprogramming.

^ Clear the Variable Line Pressure (VLP) Counters, found in the Misc. Function menu for the PCM / ECU.

^ Perform the Quick Learn function, found in the Misc. Function menu for the PCM / ECU.








Warranty

Required Parts and Tools





No Special Parts required.

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.