Rondo L4-2.4L (2007)
Electronic Throttle Actuator: Technical Service Bulletins
Engine Controls - ETC Adaptive Value Reset Procedure
GROUP
Engine
NUMBER
078
MODEL
Rondo (UN), Forte/Forte Koup
(TD), Optima (TF), Optima (MG)
Sorento (XM), Sportage (SL)
DATE
November 2010
SUBJECT
ELECTRONIC THROTTLE CONTROL ADAPTIVE VALUE RESET /
RELEARN - MIL WITH DTC P0638 / P2110
This bulletin provides the procedure to reset (erase) and relearn the Electronic Throttle Control (ETC) adaptive value (throttle valve position) on the
following Kia vehicles: Rondo (UN), Forte/Forte Koup (TD), Optima (TF), Optima (MG), Sorento (XM), and Sportage (SL) with Theta-2.0/2.4L
gasoline engines with ETC systems.
After the following repairs have been completed, the ETC adaptive value must be reset / relearned. If starting engine without resetting / relearning the
ETC adaptive values; DTCs P0638 or P2110 will be stored in the ECM memory, and the MIL will be illuminated.
^
ETC assembly or TPS (Throttle Position Sensor) replacement
^
ECM replacement
^
ECM software upgrade
Trouble Code Descriptions:
P0638: Throttle actuator control range/performance
P2110: Throttle actuator control system - Force limited RPM
Caution
Reset / Relearn ETC Adaptive Value Service Procedure:
1. Check for DTC(s) P0638 / P2110
2. Clear DTC(s)
