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.
2019 Kia K900FACTORY OEM SERVICE PROCEDURE
TCM terminal function
| Pin | Description |
|---|---|
| 1 | Underdrive clutch control solenoid valve |
| 2 | Damper clutch control solenoid valve |
| 3 | 27 Brake control solenoid valve |
| 5 | 6 Clutch control solenoid valve |
| 7 | Line pressure control solenoid valve |
| 8 | 35R Clutch control solenoid valve |
| 9 | 4 & OD Clutch control solenoid valve |
| 10 | 8LR Brake control solenoid valve |
| 14 | Parking switch signal "S2" (PWM) |
| 15 | Parking switch power (5V) |
| 17 | IGN |
| 18 | R position solenoid valve (ON/OFF) |
| 20 | Paddle shift (Down) |
| 21 | Paddle shift (Up) |
| 22 | Parking switch signal "S1" (PWM) |
| 24 | P/N relay |
| 25 | Oil temperature sensor (+) |
| 26 | Oil temperature sensor (-) |
| 27 | Back UP Comm. (TCM→Electronic shift lever) |
| 31 | Input speed sensor signal |
| 32 | Output speed sensor signal |
| 40 | Back UP Comm. (Electronic shift lever→TCM) |
| 43 | CAN HIGH |
| 44 | CCP CAN LOW |
| 45 | D position solenoid valve (ON/OFF) |
| 49 | Parking switch ground |
| 52 | CAN LOW |
| 53 | CCP CAN HIGH |
| 54 | P position solenoid valve (ON/OFF) |
| 55 | Reverse lamp relay |
| 56 | Output speed sensor (power), 9V |
| 58 | Input speed sensor (power), 9V |
| 65 | Solenoid valve power 1 (UD, 27, 8LR, DC) |
| 66 | Solenoid valve power 2 (4 & OD, 35R, 6C, LP) |
| 67 | Power (VB) |
| 68 | Power (VB) |
| 70 | Solenoid valve power 3 (ON/OFF) |
| 71 | Ground |
| 72 | Solenoid valve power 4 (ON/OFF) |
| 73 | Ground |
| 74 | Ground |
| - | - |
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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