K71 Transmission Control Module (LV1)
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 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
- OEM Connector: 33168232
- 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 |
13575812 |
J-35616-64B (LT BU) |
J-38125-213 |
Not Available |
Not Available |
Not Available |
Not Available |
| II |
13579769 |
J-35616-4A (PU) |
J-38125-11A |
Not Available |
Not Available |
Not Available |
Not Available |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
D-BU |
4507 |
Transmission Clutch H Control |
I |
- |
| 2 |
0.5 |
BU/WH |
6401 |
Clutch B Control |
I |
- |
| 3 |
0.5 |
GY/L-GN |
6403 |
Clutch D Control |
I |
- |
| 4 - 6 |
- |
- |
- |
Not Occupied |
- |
- |
| 7 |
0.5 |
VT/WH |
4170 |
Transmission Position Sensor B 9V Reference |
I |
- |
| 8 |
0.5 |
VT |
4171 |
Transmission Position Sensor A 9V Reference |
I |
- |
| 9 - 12 |
- |
- |
- |
Not Occupied |
- |
- |
| 13 |
0.5 |
L-GN/VT |
4510 |
Transmission Intermediate Speed Signal |
I |
- |
| 14 |
0.5 |
GY/D-BU |
6358 |
Output Speed Signal |
I |
- |
| 15 |
0.5 |
L-GN |
6353 |
Input Speed Signal |
I |
- |
| 16 |
- |
- |
- |
Not Occupied |
- |
- |
| 17 |
0.5 |
WH |
4508 |
Transmission Clutch G Control |
I |
- |
| 18 |
0.5 |
BN |
6400 |
Clutch A Control |
I |
- |
| 19 |
0.5 |
GY |
6402 |
Clutch C Control |
I |
- |
| 20 |
0.5 |
YE |
6404 |
Clutch E Control |
I |
- |
| 21 |
0.5 |
L-GN/WH |
6380 |
TCC On/Off Solenoid A Control |
I |
- |
| 22 |
0.5 |
YE/BN |
6210 |
TCC On/Off Solenoid B Control |
I |
- |
| 23 - 24 |
- |
- |
- |
Not Occupied |
- |
- |
| 25 |
0.5 |
WH/BK |
3927 |
IMS Mode Switch Low Reference |
I |
- |
| 26 - 27 |
- |
- |
- |
Not Occupied |
- |
- |
| 28 |
0.5 |
OG/BK |
586 |
Transmission Oil Temperature Sensor Low Reference |
I |
- |
| 29 - 32 |
- |
- |
- |
Not Occupied |
- |
- |
| 33 |
0.5 |
L-GN/GY |
6387 |
Transmission High Side Driver 1 Signal Driver |
I |
- |
| 34 |
- |
- |
- |
Not Occupied |
- |
- |
| 35 |
0.5 |
VT/BK |
2139 |
Run/Crank Ignition 1 Voltage |
I |
- |
| 36 |
- |
- |
- |
Not Occupied |
- |
- |
| 37 |
0.5 |
BU |
2500 |
High Speed GMLAN Serial Data (+) 1 |
I |
- |
| 38 |
0.5 |
WH |
2501 |
High Speed GMLAN Serial Data (-) 1 |
I |
- |
| 39 - 46 |
- |
- |
- |
Not Occupied |
- |
- |
| 47 |
0.5 |
GY/YE |
4169 |
PRNDL S Signal |
I |
- |
| 48 |
- |
- |
- |
Not Occupied |
- |
- |
| 49 |
0.75 |
GY/BN |
6388 |
Transmission High Side Driver 2 Signal |
I |
- |
| 50 |
- |
- |
- |
Not Occupied |
- |
- |
| 51 |
0.5 |
VT/YE |
5985 |
Accessory Wakeup Serial Data |
I |
- |
| 52 |
- |
- |
- |
Not Occupied |
- |
- |
| 53 |
0.5 |
BU/WH |
2500 |
High Speed GMLAN Serial Data (+) 1 |
I |
- |
| 54 |
0.5 |
WH/BK |
2501 |
High Speed GMLAN Serial Data (-) 1 |
I |
- |
| 55 - 58 |
- |
- |
- |
Not Occupied |
- |
- |
| 59 |
0.5 |
GY/WH |
4168 |
PRNDL P Signal |
I |
- |
| 60 |
0.5 |
WH |
5983 |
PRNDL C Signal |
I |
- |
| 61 |
0.5 |
GY/BN |
5982 |
PRNDL B Signal |
I |
- |
| 62 |
0.5 |
VT/BU |
5981 |
PRNDL A Signal |
I |
- |
| 63 |
0.5 |
BN/WH |
585 |
Transmission Oil Temperature Sensor Signal |
I |
- |
| 64 |
- |
- |
- |
Not Occupied |
- |
- |
| 65 |
0.75 |
BK/WH |
1551 |
Signal Ground |
II |
- |
| 66 |
0.75 |
RD/WH |
1840 |
Battery Positive Voltage |
II |
- |