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Home >> Chevrolet >> 2004 >> Impala SS >> Repair and Diagnosis >> External Pages >> Different car >> Section 575 (Cellular System, Entertainment System, And Navigation System) >> Component Locator >> Entertainment/Communication Connector End Views >> Vehicle Communication Interface Module (VCIM) C1
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Vehicle Communication Interface Module (VCIM) C1

WARNING: This page is about a different car, the 2007 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Vehicle Communication Interface Module (VCIM) C1 Connector End View
GM814530Courtesy of GENERAL MOTORS CORP.
Vehicle Communication Interface Module (VCIM) C1 Connector & Terminal Parts Information

Connector Part Information 
  • OEM: 917981-1
  • Service: 15306351
  • Description: 16-Way F.040/.070 Hybrid (WH)
Terminal Part Information 
  • Pins: 1, 2, 3, 6, 10, 11, 12, 15, 7
  • Terminal/Tray: 175266-5/15
  • Core/Insulation Crimp: Pins 1, 2, 3, 6, 10, 11, 12, 15 - J/J
  • Core/Insulation Crimp: Pins 7 - K/K
  • Release Tool/Test Probe: 15315247/J-35616-16 (L-GN)
Vehicle Communication Interface Module (VCIM) C1 Terminal Identification

Pin Wire Color Circuit No. Function
1 D-GN 5060 Low Speed GMLAN Serial Data
2 BN/WH 2517 Keypad Red LED Signal
3 YE/BK 2516 Keypad Green LED Signal
4-5 - - Not Used
6 L-GN/BK 2515 Keypad Supply Voltage
7 BK 550 Ground
8-9 - - Not Used
10 TN/BK 2500 High Speed GMLAN Serial Data Bus +
11 D-GN/WH 2514 Keypad Signal
12 TN 2501 High Speed GMLAN Serial Data Bus -
13-14 - - Not Used
15 PK/BN 2340 Battery Positive Voltage
16 - - Not Used
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