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B303 Transmission Range Sensor (M5U)

WARNING: This page is about a different car, the 2023 GMC Savana 3500, 2023 GMC Savana 2500, 2023 Chevrolet Express 3500, and 2023 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
GM4364148Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Automatic Transmission Wiring Harness
  • OEM Connector: 2289524-1
  • Service Connector: Service by Harness - See Part Catalog
  • Description: 4-Way F 1.2 MCON Series (BN)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I Not required J-35616-12 (BU) No Tool Required
Pin Size Color Circuit Function Terminal Type ID Option
1 - GN/YE 3337 Transmission Internal Mode Switch Mode Control Y I -
2 - WH/RD 596 5V Reference I -
3 - BK/GY 3927 Transmission Internal Mode Switch Feedback Signal I -
4 - BU/WH 3338 Transmission Internal Mode Switch Mode Control X I -