FixVault

Transmission Control Indicator Lamp (TCIL)

The transmission control indicator lamp (TCIL) is mounted in the instrument panel and is labeled O/D OFF It is illuminated in conjunction with the transmission control switch (TCS).

The TCIL will flash if the electronic pressure control (EPC) solenoid circuit is open, shorted to battery ground or a fault has been detected in a monitored sensor used for transmission operation.