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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 593 (DATA COMMUNICATION SYSTEM)COMPONENT LOCATORDATA COMMUNICATION CONNECTORSDATA LINK CONNECTOR (DLC)
2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Data Link Connector (DLC)

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Data Link Connector (DLC)
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Data Link (DLC) Connector End View
GM1548125Courtesy of GENERAL MOTORS CORP.
Data Link Connector (DLC) Connector & Terminal Parts Information

Connector Part Information 
  • OEM: 15488184
  • Service: 15317575
  • Description: 16-Way F Metri-Pack 150 Series (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Data Link Connector (DLC) Terminal Identification

Pin Wire Color Circuit No. Function
1 D-GN 5060 Low Speed GMLAN Serial Data
2 D-GN 1049 PCM Class 2 Serial Data (LSJ)
3 - - Not Used
4 BK 550 Ground
5 BK/WH 1051 Signal Ground
6 TN/BK 2500 High Speed GMLAN Serial Data (+)
7-13 - - Not Used
14 TN 2501 High Speed GMLAN Serial Data (-)
15 - - Not Used
16 RD/WH 40 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.