Symptom Chart
WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
For E clutch operation, REFER to: E Clutch .
| Condition | Possible Sources | Action |
|---|---|---|
| E clutch does not apply | SSE mechanically stuck OFF | INSTALL a new solenoid. REFER to: Shift Solenoids (SS) . |
| E clutch control valve stuck OFF | DISASSEMBLE, CLEAN and INSPECT the E clutch control valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| E clutch hydraulic circuit blocked/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 . | |
| CARRY OUT the air pressure test on the E clutch. REFER to: Special Testing Procedures . If a leak is detected, INSPECT the seals on the output shaft, the seals on the input shaft and the E clutch piston seals for leaks. INSTALL new components as necessary. REFER to: Transmission . | ||
| E clutch hub, shell and sun gear no. 4 | DISASSEMBLE and INSPECT the E clutch hub and shell and sun gear no. 4 for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| E clutch piston seals | DISASSEMBLE and INSPECT the E clutch piston seals for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| E clutch friction plates | DISASSEMBLE and INSPECT the E clutch friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| E clutch always applied | SSE mechanically stuck ON | INSTALL a new solenoid. REFER to: Shift Solenoids (SS) . |
| E clutch control valve stuck ON | DISASSEMBLE, CLEAN and INSPECT the E clutch control valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| E clutch 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 . | |
| E clutch hub, shell and sun gear no. 4 | DISASSEMBLE and INSPECT the E clutch hub and shell and sun gear no. 4 for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| E clutch piston return spring | DISASSEMBLE and INSPECT the E clutch piston return spring for damage. INSTALL new components as necessary. REFER to: Transmission . | |
| E clutch friction plates | DISASSEMBLE and INSPECT the E clutch friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| E clutch delayed/soft/slipping apply | Incorrect transmission strategy programmed into PCM/ TCM. | CARRY OUT the Transmission Strategy Download and the Adaptive Learning Drive Cycle. REFER to: Transmission Strategy Download . REFER to: Adaptive Learning Drive Cycle . |
| Low line pressure | CARRY OUT the line pressure test. If line pressure is low, REFER to the Line Pressure Diagnosis Chart. REFER to: Special Testing Procedures . | |
| SSE mechanically sticking | INSTALL a new solenoid. REFER to: Shift Solenoids (SS) . | |
| E clutch control valve sticking | DISASSEMBLE, CLEAN and INSPECT the E clutch control valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| Gain control valve stuck in default position. | DISASSEMBLE, CLEAN and INSPECT the clutch gain control valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| E clutch hydraulic circuits blocked/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 . | |
| CARRY OUT the air pressure test on the E clutch. REFER to: Special Testing Procedures . If a leak is detected, INSPECT the seals on the output shaft, the seals on the input shaft and the E clutch piston seals for leaks. INSTALL new components as necessary. REFER to: Transmission . | ||
| E clutch piston seals | DISASSEMBLE and INSPECT the E clutch piston seals for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| E clutch friction plates | DISASSEMBLE and INSPECT the E clutch friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| E clutch harsh apply | Incorrect transmission strategy programmed into PCM/ TCM. | CARRY OUT the Transmission Strategy Download and the Adaptive Learning Drive Cycle. REFER to: Transmission Strategy Download . REFER to: Adaptive Learning Drive Cycle . |
| High line pressure | CARRY OUT the line pressure test. If line pressure is high, REFER to the Line Pressure Diagnosis Chart. REFER to: Special Testing Procedures . | |
| SSE mechanically sticking | INSTALL a new solenoid. REFER to: Shift Solenoids (SS) . | |
| E clutch control valve sticking | DISASSEMBLE, CLEAN and INSPECT the E clutch control valve. If the bore or valve is damaged or worn, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| Gain control valve stuck in applied position | DISASSEMBLE, CLEAN and INSPECT the clutch gain control valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| E clutch hydraulic circuit blocked/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 . | |
| E clutch piston return spring | DISASSEMBLE and INSPECT the E clutch piston return spring for damage. INSTALL new components as necessary. REFER to: Transmission . | |
| E clutch friction plates | DISASSEMBLE and INSPECT the E clutch friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission . |