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.
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HOMESERVICE MANUALSCADILLAC2011CTS V, 2D COUPE, STANDARDREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - A/C COMPRESSOR CLUTCH THROUGH BODY CONTROL MODULECOMPONENT CONNECTOR END VIEWSBODY CONTROL MODULE (BCM) X5 CONNECTOR END VIEW
2011 Cadillac CTS V, 2D Coupe, Standard
Body Control Module (BCM) X5 Connector End View
2011 Cadillac CTS V, 2D Coupe, StandardSECTION Body Control Module (BCM) X5 Connector End View
Body Control Module (BCM) X5
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.8 YE | 18 | Left Rear Stop/Turn Lamp Supply Voltage (without T90) |
| 0.8 L-BU | 14 | Left Turn Signal Lamps Supply Voltage (T90) | |
| 2 | 0.8 D-BU | 15 | Right Turn Signal Lamps Supply Voltage (T90) |
| 0.8 D-GN | 19 | Right Rear Stop/Turn Lamp Supply Voltage (without T90) | |
| 3 | - | - | Not Used |
| 4 | 0.8 L-BU/WH | 1314 | Left Front Turn Signal Lamp Supply Voltage/Left Turn Signal Indicator Lamp Supply Voltage |
| 5 | 0.8 L-BU | 1320 | CHMSL Supply Voltage/Stop Lamp Supply Voltage |
| 6 | 0.35 WH | 17 | Stop Lamp Switch Signal or Stop Lamp Supply Voltage |
| 7 | 0.35 WH | 2282 | Headlamp Washer Relay Control (CE4) |
| 8 | 0.35 PK | 5076 | Current Sensor Supply Voltage |
| 9 | 0.35 WH | 5075 | Current Sensor Signal |
| 10 | 0.35 BN | 5077 | Current Sensor Low Reference |
| 11 | 0.35 D-BU | 5985 | Accessory Wakeup Serial Data |
| 12 | - | - | Not Used |
| 13 | 0.35 OG | 300 | Ignition 3 Voltage |
| 14 | - | - | Not Used |
| 15 | 0.35 PK/BK | 109 | Hood Ajar Switch Signal (BTV or UTT) |
| 16 | 0.35 OG/BK | 233 | Park Brake Switch Signal (without J77) |
| 17 | 0.35 YE | 5356 | Left Tail Lamp Outage Detection Signal |
| 18 | 0.35 TN | 28 | Horn Relay Control |
| 19 | 0.35 D-GN | 801 | Retained Accessory Power Fuse Supply Voltage |
| 20 | 0.35 GY | 91 | Windshield Wiper Switch Signal 2 |
| 21 | 0.35 TN | 860 | Front Windshield Wiper Switch High Signal |
| 22 | - | - | Not Used |
| 23 | 0.35 PK/WH | 1970 | Headlamp Relay Control |
| 24 | 0.35 D-BU | 45 | Park Lamp Supply Voltage/Marker Lamp Supply Voltage |
| 25 | - | - | Not Used |
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:
- • 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.