B15 Transmission Internal Mode Switch (M5U)
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: Transmission Control
- OEM Connector: 2291594-1
- Service Connector: Service by Harness - See Part Catalog
- Description: 10-Way F 0.64 Generation Y Series (BN)
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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 |
Not Required |
Not Available |
No Tool Required |
Not Required |
Not Required |
Not Required |
Not Required |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
- |
OG/BK |
1786 |
Transmission Park/Neutral Signal 1 |
I |
- |
| 2 |
- |
WH/BK |
3927 |
IMS Mode Switch Low Reference |
I |
- |
| 3 |
- |
- |
- |
Not Occupied |
- |
- |
| 4 |
- |
VT |
4171 |
Transmission Position Sensor A 9V Reference |
I |
- |
| 5 |
- |
VT/WH |
5981 |
PRNDL A Signal |
I |
- |
| 6 |
- |
OG/BK |
5983 |
PRNDL C Signal |
I |
- |
| 7 |
- |
PK |
4169 |
PRNDL S Signal |
I |
- |
| 8 |
- |
PK/BK |
5982 |
PRNDL B Signal |
I |
- |
| 9 |
- |
GY |
4168 |
PRNDL P Signal |
I |
- |
| 10 |
- |
VT/WH |
4170 |
Transmission Position Sensor B 9V Reference |
I |
- |