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 DIAGNOSIS (SINGLE PAGE)ELECTRICALWIRING DIAGRAMSOEM CONNECTOR END VIEWSCOMPUTER/INTEGRATING SYSTEMS CONNECTOR END VIEWSBODY CONTROL MODULE CONNECTOR END VIEWSBODY CONTROL MODULE (BCM) C1
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Body Control Module (BCM) C1
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Body Control Module (BCM) C1
Body Control Module (BCM) C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | L-BU/BK | 747 | Left Rear Door Ajar Switch Signal (Sedan) |
| 2-5 | - | - | Not Used |
| 6 | WH | 682 | Door Lock Lock/Unlock Signal |
| 7 | WH | 682 | Door Lock Lock/Unlock Signal |
| 8 | WH | 1080 | Park Lamp Relay Control |
| 9-12 | - | - | Not Used |
| 13 | PK | 849 | Brake Fluid Level Sensor Signal (1) |
| 14 | L-BU | 1134 | Park Brake Switch Signal |
| 15 | YE | 5199 | Run/Crank Relay Coil Control |
| 16 | WH | 193 | Rear Defog Relay Control |
| 17 | D-BU | 15 | Right Turn Signal Lamp Supply Voltage |
| 18 | D-GN | 5060 | Low Speed GMLAN Serial Data |
| 19 | TN/WH | 746 | Right Front Door Ajar Switch Signal |
| 20 | L-GN/BK | 748 | Right Rear Door Ajar Switch Signal (Sedan) |
| 21 | - | - | Not Used |
| 22 | GY/BK | 745 | Left Front Door Ajar Switch Signal |
| 23-26 | - | - | Not Used |
| 27-30 | - | - | Not Used |
| 31 | OG/BK | 737 | Trunk Lamp Control |
| 32 | - | - | Not Used |
| 33 | D-GN/WH | 1135 | Brake Transmission Shift Interlock Solenoid Supply Voltage |
| 34 | - | - | Not Used |
| 35 | L-BU | 14 | Left Turn Signal Lamp Supply Voltage |
| 36 | D-GN | 5060 | Low Speed GMLAN Serial Data |
| 37-43 | - | - | Not Used |
| 44 | TN/WH | 1969 | Headlamp High Beam Relay Control |
| 45-46 | - | - | Not Used |
| 47 | YE | 196 | Windshield Wiper Motor Park Switch Signal |
| 48-50 | - | - | Not Used |
| 51 | D-GN | 113 | Windshield Wiper Switch On Signal |
| 52-53 | - | - | Not Used |
| 54 | YE | 317 | Fog Lamp Relay Coil Supply Voltage (T37) |
| 55 | OG/BK | 744 | Trunk Ajar Switch Signal |
| 56 | - | - | Not Used |
| 57 | BN | 253 | Trunk Release Relay Control |
| 58-59 | - | - | Not Used |
| 60 | TN | 28 | Horn Relay Control |
| 61 | BK/WH | 1251 | Signal Ground |
| 62 | RD/WH | 1240 | Battery Positive Voltage |
| 63 | GY | 596 | 5-Volt Reference |
| 64 | BK/WH | 751 | Signal Ground |
| 65 | TN/WH | 1704 | Sensor Low Reference |
| 66 | GY/BK | 1798 | Low Reference (Sedan) |
| 67 | YE/BK | 61 | Outside Ambient Temperature Sensor Low Reference |
| 68 | WH | 5075 | Current Sensor Signal |
| 69 | - | - | Not Used |
| 70 | D-GN/WH | 636 | Outside Ambient Air Temperature Sensor Signal |
| 71-72 | - | - | Not Used |
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.