| 1. TCM Connector and Terminal Function |

| 2. TCM Terminal Function |
| Pin | Description | Pin | Description |
| 1 | - | 54 | - |
| 2 | - | 55 | - |
| 3 | - | 56 | - |
| 4 | - | 57 | - |
| 5 | - | 58 | Sport mode down switch |
| 6 | - | 59 | Oil temperature sensor (+) |
| 7 | - | 60 | - |
| 8 | - | 61 | - |
| 9 | - | 62 | - |
| 10 | - | 63 | - |
| 11 | - | 64 | - |
| 12 | - | 65 | - |
| 13 | - | 66 | - |
| 14 | - | 67 | - |
| 15 | - | 68 | - |
| 16 | - | 69 | - |
| 17 | - | 70 | - |
| 18 | - | 71 | - |
| 19 | - | 72 | - |
| 20 | - | 73 | Inhibitor switch signal "S4" |
| 21 | - | 74 | Inhibitor switch signal "S2" |
| 22 | Overdrive clutch control solenoid valve | 75 | Inhibitor switch signal "S3" |
| 23 | Line pressure control solenoid valve | 76 | - |
| 24 | - | 77 | - |
| 25 | - | 78 | - |
| 26 | ON/OFF solenoid valve B(SS-B) | 79 | - |
| 27 | - | 80 | - |
| 28 | - | 81 | - |
| 29 | - | 82 | - |
| 30 | - | 83 | - |
| 31 | - | 84 | - |
| 32 | - | 85 | - |
| 33 | - | 86 | - |
| 34 | - | 87 | Solenoid supply power 2 |
| 35 | - | 88 | Solenoid supply power 1 |
| 36 | - | 89 | ON/OFF solenoid valve A(SS-A) |
| 37 | Sport mode up switch | 90 | - |
| 38 | Sport mode select switch | 91 | - |
| 39 | Oil temperature sensor(-) | 92 | - |
| 40 | - | 93 | - |
| 41 | - | 94 | Inhibitor switch signal "S1" |
| 42 | - | 95 | Output speed sensor power |
| 43 | Underdrive brake control solenoid valve | 96 | Input speed sensor power |
| 44 | 35R clutch control solenoid valve | 97 | - |
| 45 | Torque converter control solenoid valve | 98 | - |
| 46 | 26 brake control solenoid valve | 99 | Input speed sensor signal |
| 47 | - | 100 | Output speed sensor signal |
| 48 | - | 101 | - |
| 49 | - | 102 | - |
| 50 | - | 103 | - |
| 51 | - | 104 | - |
| 52 | - | 105 | - |
| 53 | - | x | x |
| Pin | Description | Pin | Description |
| 1 | Ground (Power) | 47 | - |
| 2 | Ground (Power) | 48 | - |
| 3 | Battery power (B+) | 49 | - |
| 4 | Ground (Power) | 50 | - |
| 5 | Battery power (B+) | 51 | - |
| 6 | - | 52 | - |
| 7 | - | 53 | - |
| 8 | - | 54 | - |
| 9 | - | 55 | - |
| 10 | - | 56 | - |
| 11 | - | 57 | - |
| 12 | - | 58 | - |
| 13 | - | 59 | - |
| 14 | - | 60 | - |
| 15 | - | 61 | - |
| 16 | - | 62 | - |
| 17 | - | 63 | - |
| 18 | - | 64 | - |
| 19 | - | 65 | - |
| 20 | - | 66 | - |
| 21 | - | 67 | Ignition switch |
| 22 | - | 68 | - |
| 23 | - | 69 | - |
| 24 | - | 70 | - |
| 25 | - | 71 | Start relay control |
| 26 | - | 72 | - |
| 27 | - | 73 | - |
| 28 | - | 74 | - |
| 29 | - | 75 | - |
| 30 | - | 76 | - |
| 31 | - | 77 | CAN (High) |
| 32 | - | 78 | CAN (LOW) |
| 33 | - | 79 | - |
| 34 | - | 80 | - |
| 35 | - | 81 | - |
| 36 | - | 82 | - |
| 37 | - | 83 | - |
| 38 | - | 84 | - |
| 39 | - | 85 | - |
| 40 | - | 86 | - |
| 41 | - | 87 | - |
| 42 | - | 88 | - |
| 43 | - | 89 | - |
| 44 | - | 90 | - |
| 45 | - | 91 | - |
| 46 | - | x | x |
| TCM Terminal Input/ Output Signal |
| Pin | Description | Condition | Input/output value | |
| Type | Level | |||
| 22 | Overdrive clutch control solenoid valve (OD/C_VFS) | x x x | Output | 0V/Battery voltage level |
| 9V < Battery voltage level < 16V | ||||
| Power supply : V_SOL1 | ||||
| 23 | Line pressure control solenoid valve (LINE_VFS) | x | Output | 0V/Battery voltage level |
| 9V < Battery voltage level < 16V | ||||
| 26 | ON/OFF solenoid valve B(SS-B) | High | Output | 0V/Battery voltage level |
| Low | 9V < Battery voltage level < 16V | |||
| 37 | Sports mode up switch | Up ON | Input | 0V/Battery voltage level |
| Other | 9V < Battery voltage level < 16V | |||
| 38 | Sports mode select switch | Sport mode | Input | 0V/Battery voltage level |
| Other | 9V < Battery voltage level < 16V | |||
| 39 | Oil temperature sensor (-) | x | Ground | 0V |
| 43 | Underdrive brake control solenoid valve (UD/B_VFS) x | x | Output | 0V/Battery voltage level |
| 9V < Battery voltage level < 16V | ||||
| Power supply : V_SOL2 | ||||
| 44 | 35R clutch control solenoid valve (35R/C_VFS) | x | Output | 0V/Battery voltage level |
| 9V < Battery voltage level < 16V | ||||
| 45 | Torque converter control solenoid valve (T/CON_VFS) | x | Output | 0V/Battery voltage level |
| 9V < Battery voltage level < 16V | ||||
| 46 | 26 brake control solenoid valve (26/B_VFS) | x | Output | 0V/Battery voltage level |
| 9V < Battery voltage level < 16V | ||||
| Power supply : V_SOL2 | ||||
| 58 | Sports mode down switch | Down ON | Input | 0V/Battery voltage level |
| Other | 9V < Battery voltage level < 16V | |||
| 59 | Oil temperature sensor (+) | ON | Input | 0V/3.3V |
| OFF | ||||
| 73 | Inhibitor switch signal "S4" | High | Input | 0V/Battery voltage level |
| Low | 9V < Battery voltage level < 16V | |||
| 74 | Inhibitor switch signal "S2" | High | Input | 0V/Battery voltage level |
| Low | 9V < Battery voltage level < 16V | |||
| 75 | Inhibitor switch signal "S3" | High | Input | 0V/Battery voltage level |
| Low | 9V < Battery voltage level < 16V | |||
| 89 | ON/OFF solenoid valve A (SS-A) | High | Output | 0V/Battery voltage level |
| Low | 9V < Battery voltage level < 16V | |||
| 94 | Inhibitor switch signal "S1" | High | Input | 0V/Battery voltage level |
| Low | 9V < Battery voltage level < 16V | |||
| 95 | Output speed sensor power | ON | Power | 0V/7.5V |
| OFF | ||||
| 96 | Input speed sensor power | ON | Power | 0V/7.5V |
| OFF | ||||
| 99 | Input speed sensor signal | High | Input | 0.7V/1.4V |
| x | ||||
| 100 | Output speed sensor signal | High | Input | 0.7V/1.4V |
| Low | ||||
| Pin | Description | Condition | Input/output value | |
| Type | Level | |||
| 1 | Ground (Power 1) | x | Ground | 0V |
| 2 | Ground (Power 2) | x | Ground | 0V |
| 3 | Battery power (B+) | ON | Power | 0V/Battery voltage level |
| OFF | 9V < Battery voltage level < 16V | |||
| 4 | Ground (Power 2) | x | Ground | 0V |
| 5 | Battery power (B+) | ON | Power | 0V/Battery voltage level |
| OFF | 9V < Battery voltage level < 16V | |||
| Circuit Diagram |


Transaxle Control Module (TCM) Description and Operation
Transaxle Control Module (TCM) Repair proceduresHyundai Tucson (LM) 2010-2015 Service Manual: Flow Diagram
Power Flow Chart
P,NUD/BLR/B26/B35R/COD/COWCx
x Direction of Rotation
xLower & Reverse Brake (LR/B) Activation > Overdrive (O/D) Hub Lock > Mid & Rear P/C Lock
xInput Shaft Rotation > Rear Sun Gear Rotation > Rear
Inner Pinion Rotation (Reverse) > Rear Outer Pinion Rotation > R ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Water Temperature Control Assembly Repair procedures
Removal and Installation
1.
Drain engine coolant so its level is below water temperature control assembly.
2.
Remove the air cleaner assembly.
(Refer to Engine transaxle assembly in this group)
3.
Disconnect the radiator upper hose (A).
4.
Disconnect the heater hose (A).
  ...