Kia Sedona: Troubleshooting| Troubleshooting |
| Limp Home Mode |
Limp Home Mode: Limited shifting
Mechanical limp home mode: Fixed shifting (failure as mechanical parts, solenoid valves, TCM, CAN communication) |
| Trouble symptom | Suspect area | Remedy |
| Shifting delay, Shifting shock, Poor acceleration | Damaged clutch / brake | Replace the brake or clutch. |
| Faulty hydraulic control | Inspect the solenoid valve. | |
| Faulty hydraulic supply | Inspect the fluid level. | |
| Inspect the fluid cleanliness | ||
| Replace the oil pump | ||
| Not performed TCM learning | Perform the TCM adaptive value learning. | |
| Mechanical limp home mode (locked into 4th, manual shifting disabled) | Faulty Solenoid valve | Inspect the solenoid valve. |
| Replace the valve body. | ||
| Faulty TCM | Replace the TCM. | |
| Faulty CAN communication | Inspect the CAN communication line. | |
| Limp home mode (locked into 4th, manual shifting 2nd-4th enabled) | Faulty input & output speed sensor | Replace the input & output speed sensor. |
| Limp home mode (1st-2nd shifting disabled, 3rd-6th shifting enabled) | Faulty inhibitor switch | Replace the inhibitor switch. |
| Manual shifting disabled | Faulty TCM | Replace the TCM. |
| Faulty connector connection | Check the connection of manual mode connector. | |
| Faulty manual mode switch | Replace the manual mode switch housing. |
Special Service ToolsTorque Converter Control Solenoid Valve (T/CON_VFS) Components and Components Location
Component Location
1. Torque Converter Control Solenoid Valve (T/CON_VFS) ...
Troubleshooting
Troubleshooting
Problem Symptoms Table
Before replacing or repairing air conditioning components,
first determine if the malfunction is due to lack of refrigerant, air
flow or compressor.
U ...