Santa Fe FWD V6-2.7L (2007)
PROM - Programmable Read Only Memory: Customer Interest
Engine Controls - MIL ON/DTC's P2135/P0638
Group: FUEL SYSTEM
Date: AUGUST 2010
Model: EN VERACRUZ, CM SANTA FE,
TG AZERA, EP ENTOURAGE,
NF SONATA, BH GENESIS
DTC P2135/P0638 OR COLD ENGINE RPM FLUCTUATION - TPS REPLACEMENT&
This bulletin revises TSB 09-FL-003-2 to add the Genesis Sedan (BH) model to the applicability list. It also provides instructions to select the most
recent available ECM Update Events #166-178 or any higher event numbers if they become available in the future.
Some 2.7L, 3.3L or 3.8L engines in models identified in the applicability list may experience one or more of the following conditions:
DTC P2135: Throttle position sensors 112 voltage correlation
DTC P0638: Throttle actuator control range/performance
RPM fluctuation while engine is cold (DTC not set)
Should either of the above DTC occur, the vehicle would have operated in limited power "limp home" mode and stored the following DTC in the
DTC P1295: ETC System Malfunction - Power Management
DTC P2106: ETC System Malfunction - Forced Limited Power
2007-2009 EN Veracruz
2007-2009 CM Santa Fe
2006-2009 IG Azera
2007-2008 EP Entourage
2006-2009 NF Sonata with 3.3L Engine only
2009-2010 BH Genesis Sedan
Replace the Throttle Position Sensor (TPS)
Perform the ECM software update.
Always perform a GDS ECM Update by Automatic Mode first as it performs error checking to ensure the correct data is flashed into the vehicle.
Always select the latest available ECM Update event data at time of your update.