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 Optima EXFACTORY OEM SERVICE PROCEDURE
TCM terminal function
WARNING: This page is about a different variant/trim than selected.
PIN DESCRIPTION
| Pin | Description | Pin | Description |
|---|---|---|---|
| 1 | Solenoid power 1 | 31 | Sports mode down switch |
| 2 | Line pressure control solenoid valve | 45 | Ground |
| 3 | Engine clutch control solenoid valve | 46 | Ground |
| 4 | 35R clutch control solenoid valve | 48 | Oil temperature sensor (-) |
| 7 | Inhibitor switch signal 1 | 64 | Battery power (B+) |
| 8 | Inhibitor switch signal 2 | 68 | ON/OFF solenoid valve (SS-A) |
| 9 | Sports mode up switch | 69 | ON/OFF solenoid valve (SS-B) |
| 22 | Solenoid power 2 | 70 | OPU status |
| 23 | Underdrive brake control solenoid valve | 71 | Input speed sensor signal |
| 24 | 26B control solenoid valve | 72 | Output speed sensor signal |
| 25 | Overdrive clutch control solenoid valve | 85 | Battery power (B+) |
| 26 | PWM Command | 92 | Oil temperature sensor (+) |
| 28 | Inhibitor switch signal 4 | 93 | Input speed sensor power |
| 29 | Inhibitor switch signal 3 | 94 | Output speed sensor power |
| 30 | Sports mode select switch |
Factory Service Tools
Use the Manual With the Right Hardware
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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.