Sonata V6-2.7L (2004)
PROM - Programmable Read Only Memory: Customer Interest
Engine Controls - Intermittent Hesitation While Driving
Group: ENGINE ELECTRICAL
Number: 04-36-015
Date: SEPTEMBER, 2004
Model: SONATA
Subject
2003-2005 SONATA (EF) 2.7L ECM REPROGRAMMING
FOR INTERMITTENT HESITATION
DESCRIPTION:
Some 2003-2005 SONATA (EF) 2.7L vehicles may experience intermittent hesitation while driving.
This bulletin provides a procedure for updating the ECM (Engine Control Module) software with new logic to improve the above condition by using the
Hi-Scan Pro.
VEHICLES AFFECTED:
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Model : 2003-2005 SONATA (EF) 2.7L vehicles
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Affected vehicle production date range
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Produced from August 16, 2002 through July 12, 2004
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Affected VIN range:
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Produced from KMHWF25H13A732327 through KMHWF35H45A114539
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Area : North America
ECM SPECIFICATIONS TABLE:
ECM REPROGRAMMING PROCEDURE:
CAUTIONS BEFORE REPROGRAMMING:
1.
Conduct reprogramming with the ignition key in the "ON" position.
2.
Be careful not to disconnect any cables connected to the vehicle or Hi-Scan Pro during reprogramming.
WARNING:
If reprogramming is interrupted, the manual update procedure must be used.
3.
Do not start the engine during reprogramming.
