Ford Fusion Manuals

Ford Fusion: 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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