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Home >> Ford >> 1997 >> Explorer 2WD V6-245 4.0L VIN X SFI >> Repair and Diagnosis >> Powertrain Management >> Transmission Control Systems >> Testing and Inspection >> Diagnostic Trouble Code Descriptions >> Transmission Control Indicator Lamp (TCIL)
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Transmission Control Indicator Lamp (TCIL)

DESCRIPTION
- The Transmission Control Indicator Lamp (TCIL) is located in the instrument panel and is labeled O/D OFF. It is illuminated in conjunction with the Transmission Control Switch (TCS).
- When the driver initially presses the TCS a signal is sent to the Powertrain Control Module (PCM).
- When this occurs, the PCM uses the shift solenoids to disengage/disable 5th gear operation and activate the coast clutch.
- At the same time the PCM illuminates the Transmission Control Indicator Lamp (TCIL), to notify the driver that 5th gear is canceled.
- When the TCS is pressed again, 5th gear operation is enabled, the coast clutch is released and the TCIL is turned OFF.

SYMPTOMS:
- If the TCIL fails ON or OFF the driver may have a false indication of transmission operation.
- The TCIL will flash if the EPC solenoid is shorted or a monitored sensor has failed.

DIAGNOSTIC TROUBLE CODE:
N/A

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