LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2005 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 577 (Cellular System, Entertainment System, And Navigation System) >> Component Locator >> Entertainment/Communication Connector End Views >> Vehicle Communication Interface Module (VCIM) C4
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Vehicle Communication Interface Module (VCIM) C4

WARNING: This page is about a different car, the 2007 Saturn Sky. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Vehicle Communication Interface Module (VCIM) C4 Connector End View
GM1592605Courtesy of GENERAL MOTORS CORP.
Vehicle Communication Interface Module (VCIM) C4 Connector Part Information

Connector Part Information 
  • OEM: 15431369 (Delphi)
  • Service: 88988545
  • Description: 12-Way F (BK)
Terminal Part Information 
  • Pins:
  • Terminal: TBD
  • Core/Insulation Crimp: TBD
  • Release Tool/Test Probe: TBD
Vehicle Communication Interface Module (VCIM) C4 Connector Terminal Identification

Pin Wire Color Circuit No. Function
1 D-GN 5060 Low Speed GMLAN Serial Data (UE1)
2 TN/BK 2500 High Speed GMLAN Serial Data (+) (UE1)
3 TN 2501 High Speed GMLAN Serial Data (-) (UE1)
4-7 - - Not Used
8 TN/BK 2500 High Speed GMLAN Serial Data (+) (UE1)
9 TN 2501 High Speed GMLAN Serial Data (-) (UE1)
10-12 - - Not Used