K71 Transmission Control Module
WARNING: This page is about a different car, the 2022 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness Type:Engine Wiring Harness
- 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 |
| I |
13587518 |
J-35616-35 (VT) |
J-38125-11A |
| II |
19351723 |
J-35616-64B (L-BU) |
J-38125-215A |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
WH |
4508 |
Transmission Clutch G Control |
II |
|
| 2 |
0.5 |
VT/WH |
422 |
Torque Converter Clutch Solenoid Valve Control |
II |
|
| 3 |
0.5 |
GY/GN |
6403 |
Clutch Solenoid Valve D Control |
II |
|
| 4 |
0.5 |
VT |
4509 |
Transmission Clutch F Control |
II |
|
| 5 - 6 |
- |
- |
- |
Not Occupied |
- |
- |
| 7 |
0.5 |
YE/GN |
4170 |
Transmission Output Shaft Speed Sensor Circuit 9V Reference |
II |
|
| 8 |
0.5 |
YE/BU |
4171 |
Transmission Input Shaft Speed Sensor Circuit 9V Reference |
II |
|
| 9 - 12 |
- |
- |
- |
Not Occupied |
- |
- |
| 13 |
0.5 |
GN/VT |
4510 |
Transmission Intermediate Speed Signal |
II |
|
| 14 |
0.5 |
GY/BU |
6358 |
Output Speed Signal |
II |
|
| 15 |
0.5 |
GN/YE |
6353 |
Input Speed Signal |
II |
|
| 16 |
- |
- |
- |
Not Occupied |
- |
- |
| 17 |
0.5 |
WH/BU |
4507 |
Transmission Clutch H Control |
II |
|
| 18 |
0.5 |
GN/WH |
1530 |
Transmission Line Pressure Control Solenoid Valve Control |
II |
|
| 19 |
0.5 |
YE/BN |
6404 |
Clutch Solenoid Valve E Control |
II |
|
| 20 |
0.5 |
GY |
6402 |
Clutch Solenoid Valve C Control |
II |
|
| 21 |
0.5 |
GY/BK |
5501 |
TCC/Clutch Select Solenoid Valve Control |
II |
|
| 22 |
0.5 |
WH/YE |
2159 |
Park Inhibit Solenoid Assembly Control |
II |
|
| 23 |
0.5 |
WH |
1971 |
Transmission Oil Level Sensor Signal |
II |
|
| 24 |
0.5 |
WH/GY |
4578 |
Surge Accumulator Solenoid Valve Low Side Control |
II |
|
| 25 - 27 |
- |
- |
- |
Not Occupied |
- |
- |
| 28 |
0.5 |
BK/BN |
586 |
Transmission Fluid Temperature Sensor Low Reference |
II |
|
| 29 - 30 |
- |
- |
- |
Not Occupied |
- |
- |
| 31 |
0.5 |
GN/VT |
4621 |
Engine Control Module LIN Bus 1 |
II |
|
| 32 |
- |
- |
- |
Not Occupied |
- |
- |
| 33 |
0.5 |
GN/GY |
6387 |
Transmission High Side Driver 1 Control |
II |
|
| 34 |
- |
- |
- |
Not Occupied |
- |
- |
| 35 |
0.5 |
VT/BK |
1239 |
Run/Crank Ignition 1 Voltage |
II |
|
| 36 |
- |
- |
- |
Not Occupied |
- |
- |
| 37 |
0.5 |
BU/YE |
4979 |
AUTOSAR CAN Bus [+] 2 Serial Data |
II |
|
| 38 |
0.5 |
WH |
4978 |
AUTOSAR CAN Bus [-] 2 Serial Data |
II |
|
| 39 - 48 |
- |
- |
- |
Not Occupied |
- |
- |
| 49 |
0.5 |
GY/BN |
6388 |
Transmission High Side Driver 2 Control |
II |
|
| 50 - 52 |
- |
- |
- |
Not Occupied |
- |
- |
| 53 |
0.5 |
BU/YE |
4979 |
AUTOSAR CAN Bus [+] 2 Serial Data |
II |
|
| 54 |
0.5 |
WH |
4978 |
AUTOSAR CAN Bus [-] 2 Serial Data |
II |
|
| 55 - 58 |
- |
- |
- |
Not Occupied |
- |
- |
| 59 |
0.5 |
VT/WH |
6319 |
Electronic Transmission Range Select Out of Park Switch 2 Signal |
II |
|
| 60 |
0.5 |
WH/BK |
3705 |
Electronic Transmission Range Select Switch Analog Signal 2 |
II |
|
| 61 |
0.5 |
WH/YE |
6317 |
Electronic Transmission Range Select Out of Park Switch Signal |
II |
|
| 62 |
0.5 |
BN |
3706 |
Electronic Transmission Range Select Switch Analog Signal 1 |
II |
|
| 63 |
0.5 |
BN/WH |
585 |
Transmission Fluid Temperature Sensor Signal |
II |
|
| 64 |
- |
- |
- |
Not Occupied |
- |
- |
| 65 |
1.5 |
BK/WH |
6251 |
Transmission Control Module Ground |
I |
|
| 66 |
1.5 |
RD/WH |
2040 |
Battery Positive Voltage |
I |
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