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)





3. Select Option/Data Treatment





4. Resetting adaptive values





5. Select "Reset" then wait 10 seconds after turning ignition key off (Relay OFF).

6. Wait for 5 seconds after turning ignition ON (ETC adaptive value relearn).

7, Start engine.

8. Recheck DTC(s).





Caution