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 MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 668 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT VIEWS & COMPONENT CONNECTOR END VIEWS)COMPONENT CONNECTOR END VIEWSBODY CONTROL MODULE (BCM) X3
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Body Control Module (BCM) X3
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Body Control Module (BCM) X3
WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM) X3
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| A1 | 0.5 TN | 294 | Door Lock Actuator Unlock Control (AU3) |
| A2 | 0.5 TN | 294 | Door Lock Actuator Unlock Control (AU3) (Sedan) |
| 0.5 TN | 294 | Door Lock Actuator Unlock Control (AU3) (Sedan) | |
| A3 | 0.5 D-BU/WH | 149 | Courtesy Lamp Supply Voltage |
| A4 | 0.5 GY | 295 | Door Lock Actuator Lock Control (AU3) (Driver) |
| 0.5 GY | 295 | Door Lock Actuator Lock Control (AU3) (Passenger) | |
| A5 | 0.5 GY | 295 | Door Lock Actuator Lock Control (AU3) (Sedan) |
| 0.5 GY | 295 | Door Lock Actuator Lock Control (AU3) (Sedan) | |
| A6 | - | - | Not Used |
| A7 | 0.35 BN | 9 | Park Lamp Supply Voltage |
| A8 | 0.35 PK | 339 | Run/Crank Ignition 1 Voltage (KA1) |
| A9 | 0.5 YE | 18 | Left Rear Stop/Turn Lamp Supply Voltage |
| A10 | 0.5 GY | 157 | Courtesy Lamp Control |
| A11 | - | - | Not Used |
| A12 | 0.5 D-GN | 19 | Right Rear Stop/Turn Lamp Supply Voltage |
| B1 | 0.5 TN | 694 | Driver Door Lock Actuator Unlock Control |
| B2 | - | - | Not Used |
| B3 | 0.35 RD/WH | 1240 | Battery Positive Voltage (L61 or LE5) |
| 0.5 RD/WH | 1240 | Battery Positive Voltage | |
| B4 | - | - | Not Used |
| B5 | 0.35 BN | 4 | Accessory Voltage |
| 0.35 BN | 4 | Accessory Voltage (MN5) | |
| B6-B7 | - | - | Not Available |
| B8-B11 | - | - | Not Used |
| B12 | 0.35 GY | 8 | Instrument Panel Lamp Supply Voltage (L61/LE5) |
| 0.35 GY | 8 | Instrument Panel Lamp Supply Voltage (L61/LE5) | |
| C1-C2 | - | - | Not Available |
| C3 | 1 D-GN | 1301 | Retained Accessory Power Fuse Supply Voltage |
| C4 | - | - | Not Used |
| C5 | 3 D-GN | 801 | Retained Accessory Power Fuse Supply Voltage |
| C6-C7 | - | - | Not Available |
| C8-C11 | - | - | Not Used |
| C12 | 0.35 OG | 228 | Windshield Washer Pump Control |
| D1 | 5 RD/BK | 142 | Battery Positive Voltage |
| D2 | - | - | Not Available |
| D3 | - | - | Not Used |
| D4 | 0.5 RD/WH | 840 | Battery Positive Voltage |
| D5 | 3 D-GN | 801 | Retained Accessory Power Fuse Supply Voltage |
| D6 | 3 PK | 739 | Run/Crank Ignition 1 Voltage |
| D7 | 0.35 PK | 1339 | Ignition 1 Voltage |
| 0.35 PK | 1339 | Ignition 1 Voltage | |
| D8-D9 | - | - | Not Used |
| D10 | 3 RD/BK | 442 | Battery Positive Voltage |
| D11 | - | - | Not Used |
| D12 | 3 RD/WH | 242 | 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:
- • 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.