Diesel Data: Automotive Repair

Transmission Control Indicator Lamp (TCIL)




Transmission Electronic Control System

Transmission Control Indicator Lamp (TCIL)

The TCIL is located in the Instrument Cluster (IC) and is labeled O/D OFF. The lamp is illuminated in conjunction with the TCS.

The TCIL will flash if a fault has been detected in a monitored sensor or solenoid used for transmission operation.