Technical Description (Comment)
WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
The power supply circuit system of the column switch (column-ECU) may be defective. If the battery power supply circuit (terminal No.1 of the column switch) to the ECU is damaged, also check the power supply circuit from the ignition switch (IG1) (terminal No.9 of the column switch), and repair if necessary.