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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 901 (DATA COMMUNICATION SYSTEM)COMPONENT LOCATORDATA COMMUNICATION CONNECTORSDATA LINK CONNECTOR (DLC)
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Data Link Connector (DLC)

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Data Link Connector (DLC)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2007 GMC Savana Special, 2007 GMC Savana Camper Special, 2007 GMC Savana, 2007 Chevrolet RV Cutaway, and 2007 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Data Link Connector (DLC) Connector End View
GM68793Courtesy of GENERAL MOTORS CORP.
Data Link Connector (DLC) Connector & Terminal Parts Information

Connector Part Information 
  • OEM: 12110250
  • Service: 12110250
  • Description: 16-Way F Metri-Pack 150 Series (BK)
Terminal Part Information 
  • Terminal/Tray: 12129484/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)
Data Link Connector (DLC) Terminal Identification

Pin Wire Color Circuit No. Function
1 - - Not Used
2 PU 1132 Class 2 Serial Data
3 - - Not Used
4 BK/WH 351 Ground
5 BK/WH 351 Ground
6 TN/WH 2500 High Speed GMLAN Serial Data Bus (+)
7-13 - - Not Used
14 TN 2501 High Speed GMLAN Serial Data Bus (-)
15 - - Not Used
16 RD/WH 640 Battery Positive Voltage
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.