Ford Ecosport Owners and Service Manuals

Ford Ecosport: Automatic Transmission - 6-Speed Automatic Transmission – 6F35 / Diagnosis and Testing - Diagnosis By Symptom

Ford Ecosport 2014-2024 Service and Repair Manual / Automatic Transmission / Automatic Transmission - 6-Speed Automatic Transmission – 6F35 / Diagnosis and Testing - Diagnosis By Symptom

Symptom Chart(s)

Symptom Chart: Automatic Transmission

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

In most circumstances the PCM sets a DTC to help guide with diagnostics. Refer to the DTC Chart before using the Symptom Chart.

Symptom Possible Sources Action
  • Engagement Concerns
  • No Forward
  • Forward clutch damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • No Reverse
  • Direct clutch damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Low/Reverse clutch damaged or worn.
    REFER to: Low/Reverse Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Harsh Reverse
  • Direct clutch damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Damaged center support.
    REFER to: Low/Reverse Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Harsh Forward
  • Forward clutch damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Damaged center support.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Delayed/Soft Reverse
  • Direct clutch damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Low/Reverse clutch damaged or worn.
    REFER to: Low/Reverse Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Delayed Soft/Forward
  • Forward clutch damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • No Forward and No Reverse
  • Check the transmission fluid level.
    REFER to: Transmission Fluid Level Check (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, General Procedures).
  • PERFORM Transmission Line Pressure Test.
    REFER to: Transmission Line Pressure Test (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Inspect the filter and pump assembly.
    REFER to: Pump Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • Delayed/Soft Forward and Reverse
  • Check the transmission fluid level.
    REFER to: Transmission Fluid Level Check (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, General Procedures).
  • PERFORM Transmission Line Pressure Test.
    REFER to: Transmission Line Pressure Test (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Inspect the filter and pump assembly.
    REFER to: Pump Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • Neutral after Launch
  • Low one-way clutch assembly damaged.
    REFER to: Low One-Way Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Harsh Stop/Start event
  • Verify Fluid level.
    REFER to: Transmission Fluid Level Check (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, General Procedures).
    If fluid level is ok, Clear any DTC , then carry out prime procedure: Verify TFT is greater than 100°F, prime the Transmission Fluid Auxiliary Pump. Using a diagnostic scan tool, Key ON, Engine OFF, command TRANS_PMP_CMD to 80% for 30 seconds. Carry out a road test until there is a stop/start event. If the restart is harsh, repeat the Transmission Fluid Auxiliary Pump prime procedure. Continue road test and evaluate each stop/start event. Repeat prime procedure until three consecutive normal stop/start events are achieved. Clear DTC s.
  • Shift Concerns
  • No 1-2 Shift/Harsh/Soft/Slipping
  • Intermediate clutch damaged or worn.
    REFER to: Intermediate Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • Forward clutch assembly damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Low one-way clutch assembly damaged.
    REFER to: Low One-Way Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • No 2-3 Shift/Harsh/Soft/Slipping
  • Direct clutch damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Forward clutch assembly damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Intermediate clutch damaged or worn.
    REFER to: Intermediate Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • 2-3 Shift Hesitation After A Cold Soak
  • Verify Fluid level.
    REFER to: Transmission Fluid Level Check (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, General Procedures).
    If fluid level is okay, these hesitation events should be deemed a normal characteristic and do not cause any abnormal wear or durability concern. The hydraulic circuit can partially drain back during an extended engine off condition and could take a couple applications (2-3 shifts) to work any air out of the hydraulic circuit. No further work on the transmission should take place for that condition.
  • No 3-4 Shift/Harsh/Soft/Slipping
  • Overdrive clutch assembly damaged or worn.
    REFER to: Overdrive Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Forward clutch assembly damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Direct clutch damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • No 4-5 Shift/Harsh/Soft/Slipping
  • Direct clutch damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Overdrive clutch damaged or worn.
    REFER to: Overdrive Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Forward clutch damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • No 5-6 Shift/Harsh/Soft/Slipping
  • Intermediate clutch assembly damaged or worn.
    REFER to: Intermediate Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • Direct clutch assembly damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Only gears R, 5, 6
  • Only Gears 1, 2, 3, 4 Available
  • Forward (1,2,3,4) clutch does not apply.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Forward clutch assembly always applied..
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Only Gears 1, 2, 4, 6 available
  • Only Gears R, 3, 5 Available
  • Direct (3,5,R) clutch does not apply
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Direct (3,5,R) clutch always applied.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Only Gears R,1,3,4,5 Available
  • Only Gears 2 and 6 Available
  • Intermediate clutch assembly does not apply.
    REFER to: Intermediate Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • Intermediate clutch assembly stuck on.
    REFER to: Intermediate Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • Only Gears R,1,2,3 Available
  • Only Gears 4,5,6 Available
  • Overdrive clutch assembly does not apply.
    REFER to: Overdrive Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Overdrive clutch assembly stuck on.
    REFER to: Overdrive Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Only Gears 1 and R Available
  • Low/Reverse clutch always applied.
    REFER to: Low/Reverse Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Low/reverse clutch stuck on.
    REFER to: Low/Reverse Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Low one-way clutch assembly damaged.
    REFER to: Low One-Way Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • No Engine Braking in Low
  • Low/reverse clutch damaged or worn.
    REFER to: Low/Reverse Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Torque Converter Operation Concerns
  • No Apply
  • TCC damaged or worn.
    REFER to: Torque Converter Clutch (TCC) (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Always Applied (engine stalls)
  • TCC damaged or worn.
    REFER to: Torque Converter Clutch (TCC) (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Cycling/Shutter/Chatter
  • TCC damaged or worn.
    REFER to: Torque Converter Clutch (TCC) (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Other Concerns
  • Selector Lever High Effort
  • Selector lever cable routed wrong, binding or damaged.
    REFER to: Selector Lever Cable - 6-Speed Automatic Transmission – 6F35 (307-05 Automatic Transmission External Controls, Removal and Installation).
  • External Leaks
  • Damaged or worn seals.
    REFER to: Leakage Inspection (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Noise
  • Engine drive accessories, suspension, CV joints,
    REFER to: Noise, Vibration and Harshness (NVH) (100-04 Noise, Vibration and Harshness, Diagnosis and Testing).
  • Vibration
  • Engine drive accessories, suspension, CV joints, transmission fluid cooler tubes,
    REFER to: Noise, Vibration and Harshness (NVH) (100-04 Noise, Vibration and Harshness, Diagnosis and Testing).
  • No Park Range
  • Inspect the selector lever cable for correct adjustment.
    REFER to: Selector Lever Cable Adjustment - 6-Speed Automatic Transmission – 6F35 (307-05 Automatic Transmission External Controls, General Procedures).
  • INSPECT the manual control lever for damage, wear or correct installation.
    REFER to: Transmission (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
  • INSPECT the park pawl, park pawl actuator, and TR sensor for damage or wear.
    REFER to: Transmission (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
  • INSPECT the final drive differential and final drive chain for damage.
    REFER to: Transmission (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
  • Overheating
  • Transmission fluid cooling system damaged.
    REFER to: Transmission Cooling (307-02B Transmission Cooling - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).

    Diagnosis and Testing - Automatic Transmission - 2.0L Duratec-HE (125kW/170PS) – MI4/2.0L Duratec-HE Flex Fuel (129kW/175PS)

    Diagnostic Trouble Code (DTC) Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation)...

    Diagnosis and Testing - Transmission Line Pressure Test

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    Other information:

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    Special Tool(s) / General Equipment

    Hydraulic Press

    Removal

    NOTE: Removal steps in this procedure may contain installation details.

    Remove the wheel knuckle.
    Refer to: Wheel Knuckle - Vehicles With: Rear Drum Brakes (204-02B Rear Suspension - AWD, Removal and Installation).
    Remove the rear toe adjustment retainers and remove the wheel knuckle mounting bracket.
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