K71 Transmission Control Module (LT1)
 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness Type: Engine
- OEM Connector: 12672856
- Service Connector: 19329822
- Description: 66-Way F 0.64, 2.8 Series, Sealed (BK with BK Terminal Position Assurance)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
Service Terminal |
Tray Name |
Core Crimp |
Insulation Crimp |
| I |
13579770 |
J-35616-35 (VT) |
J-38125-11A |
Not Available |
Not Available |
Not Available |
Not Available |
| II |
19330179 |
J-35616-64B (LT BU) |
J-38125-215A |
Not Available |
Not Available |
Not Available |
Not Available |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
VT/WH |
422 |
Torque Converter Clutch Solenoid Valve Control |
II |
MI2 |
| 2 |
0.5 |
GY/GN |
6403 |
Clutch Solenoid Valve D Control |
II |
MI2 |
| 3 |
0.5 |
WH/BU |
4507 |
Transmission Clutch H Control |
II |
MI2 |
| 4 |
0.5 |
WH |
4508 |
Transmission Clutch G Control |
II |
MI2 |
| 5 - 6 |
- |
- |
- |
Not Occupied |
- |
- |
| 7 |
0.5 |
YE/GN |
4170 |
Transmission Output Shaft Speed Sensor Circuit 9V Reference |
II |
MI2 |
| 8 |
0.5 |
YE/BU |
4171 |
Transmission Input Shaft Speed Sensor Circuit 9V Reference |
II |
MI2 |
| 9 - 11 |
- |
- |
- |
Not Occupied |
- |
- |
| 12 |
0.5 |
GN/YE |
6353 |
Input Speed Signal |
II |
MI2 |
| 13 |
0.5 |
GN/VT |
4510 |
Transmission Intermediate Speed Signal |
II |
MI2 |
| 14 |
0.5 |
GY/BU |
6358 |
Output Speed Signal |
II |
MI2 |
| 15 |
0.5 |
BN/WH |
6254 |
Transmission Input Speed Sensor Signal |
II |
MI2 |
| 16 |
- |
- |
- |
Not Occupied |
- |
- |
| 17 |
0.5 |
GN/WH |
1530 |
Transmission Line Pressure Control Solenoid Valve Control |
II |
MI2 |
| 18 |
0.5 |
YE/BN |
6404 |
Clutch Solenoid Valve E Control |
II |
MI2 |
| 19 |
0.5 |
GY |
6402 |
Clutch Solenoid Valve C Control |
II |
MI2 |
| 20 |
0.5 |
VT/ |
4509 |
Transmission Clutch F Control |
II |
MI2 |
| 21 |
- |
- |
- |
Not Occupied |
- |
- |
| 22 |
0.5 |
GN/BK |
7819 |
Default Disable Solenoid Control |
II |
MI2 |
| 23 - 27 |
- |
- |
- |
Not Occupied |
- |
- |
| 28 |
0.5 |
BK/BN |
586 |
Transmission Fluid Temperature Sensor Low Reference |
II |
MI2 |
| 29 - 32 |
- |
- |
- |
Not Occupied |
- |
- |
| 33 |
0.5 |
GN/GY |
6387 |
Transmission High Side Driver 1 Control |
II |
MI2 |
| 34 |
- |
- |
- |
Not Occupied |
- |
- |
| 35 |
0.5 |
VT/BK |
2139 |
Run/Crank Ignition 1 Voltage 21 |
II |
MI2 |
| 36 |
- |
- |
- |
Not Occupied |
- |
- |
| 37 |
0.5 |
BU |
2500 |
High Speed GMLAN Serial Data [+] 1 |
II |
LT1+MI2 |
| 38 |
0.5 |
WH |
2501 |
High Speed GMLAN Serial Data [-] 1 |
II |
LT1+MI2 |
| 39 - 48 |
- |
- |
- |
Not Occupied |
- |
- |
| 49 |
0.5 |
GY/BN |
6388 |
Transmission High Side Driver 2 Control |
II |
MI2 |
| 50 |
- |
- |
- |
Not Occupied |
- |
- |
| 51 |
0.5 |
VT/YE |
5985 |
Accessory Wake-Up Serial Data |
II |
MI2 |
| 52 |
- |
- |
- |
Not Occupied |
- |
- |
| 53 |
0.5 |
BU |
2500 |
High Speed GMLAN Serial Data [+] 1 |
II |
LT1+MI2 |
| 54 |
0.5 |
WH |
2501 |
High Speed GMLAN Serial Data [-] 1 |
II |
LT1+MI2 |
| 55 - 62 |
- |
- |
- |
Not Occupied |
- |
- |
| 63 |
0.5 |
BN/WH |
585 |
Transmission Fluid Temperature Sensor Signal |
II |
MI2 |
| 64 |
0.5 |
WH/YE |
5724 |
Ignition Mode Switch Mode Control |
II |
MI2 |
| 65 |
1.5 |
BK/WH |
451 |
Ground 4 |
I |
MI2 |
| 66 |
1.5 |
RD/GN |
1840 |
Secondary Fused Battery Positive Voltage 18 |
I |
MI2 |