DTC 01-E2 ON / OFF Indication Parameter Error: Description
WARNING: This page is about a different car, the 2006 Toyota Matrix. However, it is still accessible from the selected car via links, so may be relevant.
ON/OFF INDICATION PARAMETER ERROR
DTC No.
DTC Detection Condition
Trouble Area
01-E2
The command for ON/OFF control from the master device has a problem.