LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Component Connector End Views - A3L To B26 >> Component Connector End Views >> B15 Transmission Internal Mode Switch
April 5, 2026: LEMON Manuals is launched! Read the announcement.

B15 Transmission Internal Mode Switch

GM4051038
Connector Part Information
  • Harness Type: Transmission Control
  • OEM Connector: 2138504-1
  • Service Connector: Service by Harness - See Part Catalog
  • Description: 10-Way F 0.64 Generation Y Series (BN)
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 No Tool Required No Tool Required Not Required Not Required Not Required Not Required
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 WH/GY 1786 Transmission Park/Neutral Signal 1 I -
2 0.5 BK/GY 3927 IMS Mode Switch Low Reference I -
3 - - - Not Occupied - -
4 0.5 YE/BU 4171 Transmission Position Sensor A 9V Reference I -
5 0.5 VT/WH 5981 PRNDL A Signal I -
6 0.5 WH/BK 5983 PRNDL C Signal I -
7 0.5 GY/YE 4169 PRNDL S Signal I -
8 0.5 GY/BN 5982 PRNDL B Signal I -
9 0.5 GY/WH 4168 PRNDL P Signal I -
10 0.5 YE/GN 4170 Transmission Position Sensor B 9V Reference I -