K71 Transmission Control Module (LSY)
WARNING: This page is about a different car, the 2022 Cadillac CT4. 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: 13965710
- 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-38125-213 |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
WH / BU |
4507 |
Transmission Clutch H Control |
II |
- |
| 2 |
0.5 |
BU |
6401 |
Clutch Solenoid Valve B Control |
II |
- |
| 3 |
0.5 |
GN / WH |
1530 |
Transmission Line Pressure Control Solenoid Valve Control |
II |
- |
| 4 - 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 |
BN / WH |
6254 |
Transmission Input Speed Sensor Signal |
II |
- |
| 16 |
- |
- |
- |
Not Occupied |
- |
- |
| 17 |
0.5 |
WH |
4508 |
Transmission Clutch G Control |
II |
- |
| 18 |
0.5 |
BN |
6400 |
Clutch Solenoid Valve A Control |
II |
- |
| 19 |
0.5 |
GY |
6402 |
Clutch Solenoid Valve C Control |
II |
- |
| 20 |
0.5 |
VT / WH |
422 |
Torque Converter Clutch Solenoid Valve Control |
II |
- |
| 21 |
0.5 |
GN / WH |
6380 |
Torque Converter Clutch Enable Solenoid Valve A Control |
II |
- |
| 22 |
0.5 |
YE / BN |
6210 |
Torque Converter Clutch Enable Solenoid Valve B Control |
II |
- |
| 23 |
- |
- |
- |
Not Occupied |
- |
- |
| 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 - 32 |
- |
- |
- |
Not Occupied |
- |
- |
| 33 |
0.5 |
GN / GY |
6387 |
Transmission High Side Driver 1 Control |
II |
- |
| 34 |
- |
- |
- |
Not Occupied |
- |
- |
| 35 |
0.5 |
VT / BK |
2139 |
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 - 62 |
- |
- |
- |
Not Occupied |
- |
- |
| 63 |
0.5 |
BN / WH |
585 |
Transmission Fluid Temperature Sensor Signal |
II |
- |
| 64 |
0.5 |
BU / WH |
3338 |
Transmission Internal Mode Switch Mode Control X |
II |
- |
| 65 |
1.5 |
BK / WH |
6251 |
Transmission Control Module Ground |
I |
- |
| 66 |
1.5 |
RD / GN |
1840 |
Battery Positive Voltage |
I |
- |