Ford Fusion: Automatic Transmission - 6-Speed Automatic Transmission – 6F35 / Torque Converter Clutch (TCC). Diagnosis and Testing

Ford Fusion 2013–2020 Service Manual / Powertrain / Automatic Transmission / Automatic Transmission - 6-Speed Automatic Transmission – 6F35 / Torque Converter Clutch (TCC). Diagnosis and Testing

For TCC operation,
REFER to: Transmission Description - System Operation and Component Description (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).

Symptom Chart

Symptom	Possible Sources	Action
TCC does not apply	TCC solenoid filter screen blocked	INSTALL a new TCC solenoid.
	TCC solenoid mechanically stuck OFF	INSTALL a new TCC solenoid.
	TCC regulator valve stuck OFF	DISASSEMBLE, CLEAN and INSPECT the TCC regulator valve. If bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
	TCC control valve stuck OFF	INSTALL a new pump assembly. REFER to: Transmission (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul). REFER to: Transmission (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
	TCC APPLY hydraulic circuit blocked or leaking	DISASSEMBLE and INSPECT the transmission, main control valve body and pump assembly passages for debris/blockage/leaks. CLEAN or REPLACE componenets as necessary. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul). REFER to: Transmission (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul). REFER to: Transmission (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
	TCC friction material worn or damaged.	INSTALL a new torque converter. REFER to: Transmission (307-01A) . REFER to: Transmission - 1.5L EcoBoost (118kW/160PS) – I4 (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Removal and Installation). REFER to: Transmission - 2.0L EcoBoost (184kW/250PS) – MI4 (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Removal and Installation).
TCC always applied/stalls vehicle	TCC solenoid mechanically stuck ON	INSTALL a new TCC solenoid.
	TCC regulator valve stuck ON	DISASSEMBLE, CLEAN and INSPECT the TCC regulator valve. If bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
	TCC control valve stuck ON	INSTALL a new pump assembly. REFER to: Transmission (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul). REFER to: Transmission (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
	TCC RELEASE hydraulic circuit blocked or leaking	DISASSEMBLE and INSPECT the transmission, main control valve body and pump assembly passages for debris/blockage/leaks. CLEAN or REPLACE componenets as necessary. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul). REFER to: Transmission (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul). REFER to: Transmission (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
	TCC welded or damaged.	INSTALL a new torque converter. REFER to: Transmission (307-01A) . REFER to: Transmission - 1.5L EcoBoost (118kW/160PS) – I4 (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Removal and Installation). REFER to: Transmission - 2.0L EcoBoost (184kW/250PS) – MI4 (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Removal and Installation).
TCC cycles, shudders or chatters	Incorrect Transmission Strategy programmed into the PCM
	TCC solenoid filter or seal damaged at TCC solenoid	INSTALL a new TCC solenoid.
	TCC solenoid mechanically sticking	INSTALL a new TCC solenoid.
	TCC regulator valve, springs, clips loose, stuck, binding, missing, misassembled	DISASSEMBLE, CLEAN and INSPECT the TCC regulator valve. If bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
	TCC control valve, springs, clips loose, stuck, binding, missing, misassembled	INSTALL a new pump assembly. REFER to: Transmission (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul). REFER to: Transmission (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
	TCC RELEASE/TCC APPLY hydraulic circuit blocked or leaking	DISASSEMBLE and INSPECT the transmission, main control valve body and pump assembly passages for debris/blockage/leaks. CLEAN or REPLACE componenets as necessary. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul). REFER to: Transmission (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul). REFER to: Transmission (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
	TCC cycling/shudder/chatter	Verify the TCC is causing the concern. Attempt to duplicate event while commanding the PID TCC_OSC OFF. If the concern cannot be duplicated while the TCC is commanded off the TCC may be worn or damaged. REFER to: Transmission (307-01A) . REFER to: Transmission - 1.5L EcoBoost (118kW/160PS) – I4 (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Removal and Installation). REFER to: Transmission - 2.0L EcoBoost (184kW/250PS) – MI4 (307-01A Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Removal and Installation).

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