K71 Transmission Control Module
WARNING: This page is about a different car, the 2022 GMC Savana 3500, 2022 GMC Savana 2500, 2022 Chevrolet Express 3500, and 2022 Chevrolet Express 2500. 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-38125-215A |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
WH / D-BU |
4507 |
Transmission Clutch H Control |
II |
- |
| 2 |
0.5 |
D-BU |
6401 |
Clutch Solenoid Valve B Control |
II |
- |
| 3 |
0.5 |
GY / GN |
6403 |
Clutch Solenoid Valve D 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 / D-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 / D-BU |
6358 |
Output Speed Signal |
II |
- |
| 15 |
0.5 |
GN / YE |
6353 |
Input Speed 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 |
YE / BN |
6404 |
Clutch Solenoid Valve E 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 - 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 |
D-BU |
2500 |
High Speed GMLAN Serial Data [+] 1 |
II |
- |
| 38 |
0.5 |
WH |
2501 |
High Speed GMLAN Serial Data [-] 1 |
II |
- |
| 39 - 48 |
- |
- |
- |
Not Occupied |
- |
- |
| 49 |
0.75 |
GY / BN |
6388 |
Transmission High Side Driver 2 Control |
II |
- |
| 50 |
- |
- |
- |
Not Occupied |
- |
- |
| 51 |
0.5 |
VT / YE |
5985 |
Accessory Wake-Up Serial Data |
II |
- |
| 52 |
- |
- |
- |
Not Occupied |
- |
- |
| 53 |
0.5 |
D-BU |
2500 |
High Speed GMLAN Serial Data [+] 1 |
II |
- |
| 54 |
0.5 |
WH |
2501 |
High Speed GMLAN Serial Data [-] 1 |
II |
- |
| 55 - 62 |
- |
- |
- |
Not Occupied |
- |
- |
| 63 |
0.5 |
BN / WH |
585 |
Transmission Fluid Temperature Sensor Signal |
II |
- |
| 64 |
0.5 |
D-BU / WH |
3338 |
Transmission Internal Mode Switch Mode Control X |
II |
- |
| 65 |
0.75 |
BK / WH |
1551 |
Signal Ground |
I |
- |
| 66 |
0.75 |
RD / GN |
1840 |
Battery Positive Voltage |
I |
- |