Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSBUICK2010LUCERNE CXL, 3.9 1REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 314 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - 1-2 SHIFT SOLENOID THROUGH ENGINE CONTROL MODULE X1)COMPONENT CONNECTOR END VIEWSDATA LINK CONNECTOR (DLC)
2010 Buick Lucerne CXL, 3.9 1
Data Link Connector (DLC)
2010 Buick Lucerne CXL, 3.9 1SECTION Data Link Connector (DLC)
WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Data Link Connector (DLC)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.35 D-GN | 5060 | Low Speed GMLAN Serial Data |
| 2-3 | - | - | Not Used |
| 4 | 0.5 BK | 350 | Ground |
| 5 | 0.35 BK | 350 | Ground |
| 6 | 0.35 TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
| 7 | 0.35 WH/BK | 5043 | Keyword 2000 Serial Data |
| 8-13 | - | - | Not Used |
| 14 | 0.35 TN | 2501 | High Speed GMLAN Serial Data Bus - |
| 15 | - | - | Not Used |
| 16 | 0.5 OG/PK | 1840 | Battery Positive Voltage |
Connector Part Information
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Terminal Part Information
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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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.