Symptom Chart

WARNING: This page is about a different car, the 2021 Ford Police Interceptor Utility. However, it is still accessible from the selected car via links, so may be relevant.

Torque Converter Clutch (TCC)

For torque converter operation, REFER to: Torque Converter .

Condition	Possible Sources	Action
TCC does not apply	TCC solenoid mechanically stuck OFF	INSTALL a new TCC solenoid. REFER to: Shift Solenoids (SS) .
	TCC priority valve stuck OFF	DISASSEMBLE, CLEAN and INSPECT the TCC priority valve. If the bore, valve or spring is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body .
	TCC regulator valve stuck OFF	DISASSEMBLE, CLEAN and INSPECT the TCC regulator valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body .
	TCC damper missing or damaged.	DISASSEMBLE, CLEAN and INSPECT the TCC damper. If the damper is missing or damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body .
	Converter feed blow-off valve missing or damaged	DISASSEMBLE, CLEAN and INSPECT the converter feed blow-off valve. If the valve is missing or damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body .
	CONV FD, MDA-TCC, APPLY, REL hydraulic circuit blocked or leaking	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for debris, blockage and leaks. CLEAN as necessary. REFER to: Main Control Valve Body .
		REMOVE and INSPECT the front support assembly and input shaft Teflon seals for damage, blockage and leaks. REFER to: Torque Converter . INSTALL new components as necessary. REFER to: Transmission .
	TCC friction material worn or damaged	INSTALL a new torque converter. REFER to: Transmission - 3. 3L Duratec-V6 . REFER to: Transmission - 3. 0L EcoBoost .
TCC always applied/stalls vehicle	TCC solenoid mechanically stuck ON	INSTALL a new TCC solenoid. REFER to: Shift Solenoids (SS) .
	TCC priority valve stuck ON	DISASSEMBLE, CLEAN and INSPECT the TCC priority valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body .
	TCC regulator valve stuck ON	DISASSEMBLE, CLEAN and INSPECT the TCC regulator valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body .
	CONV FD, MDA-TCC, APPLY, REL hydraulic circuit cross leaks	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for cracks, warping, and damage. If damage is found, INSTALL a new main control valve body. REFER to: Main Control Valve Body .
	CONV FD, MDA-TCC, APPLY, REL hydraulic circuit cross leaks	REMOVE and INSPECT the front support assembly and input shaft Teflon seals for damage, blockage and leaks. REFER to: Torque Converter . INSTALL new components as necessary. REFER to: Transmission .
	TCC friction material worn or damaged	INSTALL a new torque converter. REFER to: Transmission - 3. 3L Duratec-V6 . REFER to: Transmission - 3. 0L EcoBoost .
TCC cycles, shudders or chatters	Incorrect transmission strategy programmed into the TCM	CARRY OUT the transmission strategy download and the adaptive learning drive cycle. REFER to: Transmission Strategy Download . REFER to: Adaptive Learning Drive Cycle .
	TCC solenoid mechanically sticking	INSTALL a new TCC solenoid. REFER to: Shift Solenoids (SS) .
	TCC priority valve sticking	DISASSEMBLE, CLEAN and INSPECT the TCC priority valve. If the bore, valve or spring is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body .
	TCC Regulator Valve sticking	DISASSEMBLE, CLEAN and INSPECT the regulator valve. If bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body .
	CONV FD, MDA-TCC, APPLY, REL hydraulic circuit blocked or leaking	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for debris, blockage and leaks. CLEAN as necessary. REFER to: Main Control Valve Body .
		REMOVE and INSPECT the front support assembly and input shaft Teflon seals for damage, blockage and leaks. REFER to: Torque Converter . INSTALL new components as necessary. REFER to: Transmission .
	TCC friction material worn or damaged	INSTALL a new torque converter. REFER to: Transmission - 3. 3L Duratec-V6 . REFER to: Transmission - 3. 0L EcoBoost .