Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2020 Kia Cadenza TechnologyFACTORY OEM SERVICE PROCEDURE
TCM Terminal Function
| Pin | Description | Pin | Description |
|---|---|---|---|
| 1 | UD Clutch control solenoid valve (UD/C_VFS) | 27 | SS-A solenoid valve (SS-A_ON/OFF) |
| 2 | 46 Clutch control solenoid valve (46/C_VFS) | 31 | Middle speed sensor signal |
| 3 | Line pressure control solenoid valve (LINE_VFS) | 32 | Output speed sensor signal |
| 5 | Torque converter control solenoid valve (T/CON_VFS) | 34 | Input speed sensor signal |
| 7 | 28 Brake control solenoid valve (28/B_VFS) | 43 | CAN High |
| 8 | 37R Clutch control solenoid valve (37R/C_VFS) | 49 | Position switch ground |
| 9 | OD Clutch & LR Brake Clutch control solenoid valve (OD/C & LR/B_VFS) | 52 | CAN Low |
| 11 | Manual mode "Select" | 56 | Output speed sensor power |
| 12 | Manual mode "Up" | 57 | Middle speed sensor power |
| 13 | Manual mode "Down" | 58 | Input speed sensor power |
| 14 | Position switch signal S2 | 65 | Solenoid valve power 1 (2, 5, 7, 8) |
| 15 | Position switch power (5V) | 66 | Solenoid valve power 2 (1, 3, 9, 27) |
| 17 | IG.1 | 67 | Power |
| 20 | Paddle shift "Down" | 68 | Power |
| 21 | Paddle shift "Up" | 71 | Ground |
| 22 | Position switch signal S1 | 73 | Ground |
| 25 | Oil temperature sensor (+) | 74 | Ground |
| 26 | Oil temperature sensor (-) | - | - |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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