Sorento 4WD V6-3.8L (2009)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
Engine Controls - Rough Idle With Brakes Applied
GROUP
Engine
NUMBER
077
MODEL
2007-2009MY
Sorento (BL)
DATE
September 2010
SUBJECT:
SORENTO (BL) WITH 33/38 IDLE RPM IMPROVEMENT
This bulletin provides the procedure to upgrade the Engine Control Module (ECM) on some 2007-2009MY Sorento (BL) 33/38L vehicles which may
experience idle irregularity with brake pedal applied/depressed. This software upgrade will improve idle RPM Make certain VIN writing procedure is
performed on certain ROM IDs as indicated on the ROM chart.
