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 VIEWSBODY CONTROL MODULE (BCM) X7
2010 Buick Lucerne CXL, 3.9 1
Body Control Module (BCM) X7
2010 Buick Lucerne CXL, 3.9 1SECTION Body Control Module (BCM) X7
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.
Body Control Module (BCM) X7
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | - | - | Not Used |
| 2 | 0.35 TN/WH | 56 | Trunk Release Relay Control |
| 3-6 | - | - | Not Used |
| 7 | 0.35 D-BU/BK | 6692 | Door Lock Motor Lock Control |
| 8 | - | - | Not Used |
| 9 | 0.35 L-BU/WH | 6693 | Door Lock Motor Unlock Control |
| 10-21 | - | - | Not Used |
| 22 | 0.35 D-GN | 5060 | Low Speed GMLAN Serial Data |
| 23-24 | - | - | Not Used |
| 25 | 0.35 PU/WH | 1382 | LED Dimming Signal |
| 26-27 | - | - | Not Used |
| 28 | 0.35 D-BU | 1393 | Courtesy Lamp Relay Coil Control |
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.