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.
2011 Hyundai Elantra GLS, AutomaticFACTORY OEM SERVICE PROCEDURE
TCM Terminal Function
Connector [CHG-AA]
CONNECTOR TERMINALS REFERENCE
| Pin | Description | Pin | Description |
|---|---|---|---|
| 1 | - | 54 | - |
| 2 | Line pressure control solenoid valve (LINE_VFS) | 55 | - |
| 3 | Torque converter control solenoid valve (T/CON_VFS) | 56 | - |
| 4 | 35R clutch control solenoid valve (35R/C_VFS) | 57 | - |
| 5 | - | 58 | - |
| 6 | - | 59 | - |
| 7 | Inhibitor switch signal "S1" | 60 | - |
| 8 | Inhibitor switch signal "S2" | 61 | - |
| 9 | Inhibitor switch signal "S3" | 62 | - |
| 10 | Inhibitor switch signal "S4" | 63 | - |
| 11 | - | 64 | - |
| 12 | - | 65 | ON/OFF solenoid valve B(SS-B) |
| 13 | - | 66 | ON/OFF solenoid valve B(SS-A) |
| 14 | - | 67 | Battery (B+) |
| 15 | - | 68 | - |
| 16 | - | 69 | Oil temperature sensor (+) |
| 17 | - | 70 | - |
| 18 | - | 71 | - |
| 19 | - | 72 | - |
| 20 | - | 73 | Output speed sensor signal |
| 21 | - | 74 | - |
| 22 | - | 75 | - |
| 23 | Underdrive brake control solenoid valve (UD/B_VFS) | 76 | - |
| 24 | 26 brake control solenoid valve (26/B_VFS) | 77 | - |
| 25 | Overdrive clutch control solenoid valve (OD/C_VFS) | 78 | - |
| 26 | - | 79 | - |
| 27 | - | 80 | - |
| 28 | - | 81 | - |
| 29 | - | 82 | - |
| 30 | - | 83 | - |
| 31 | - | 84 | - |
| 32 | - | 85 | - |
| 33 | - | 86 | Solenoid supply power 1 |
| 34 | - | 87 | Solenoid supply power 2 |
| 35 | - | 88 | Battery (B+) |
| 36 | - | 89 | - |
| 37 | - | 90 | Output speed sensor power |
| 38 | - | 91 | Input speed sensor power |
| 39 | - | 92 | - |
| 40 | - | 93 | - |
| 41 | - | 94 | Input speed sensor signal |
| 42 | - | 95 | - |
| 43 | - | 96 | - |
| 44 | Ground (Power 1) | 97 | - |
| 45 | Ground (Power 2) | 98 | - |
| 46 | Shift lock solenoid | 99 | - |
| 47 | - | 100 | - |
| 48 | Oil temperature sensor (-) | 101 | - |
| 49 | - | 102 | - |
| 50 | - | 103 | - |
| 51 | - | 104 | - |
| 52 | - | 105 | - |
| 53 | - |
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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