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.
Body Control Module (BCM) C2
2006 Buick Rainier 4.2 S, AWDSECTION Body Control Module (BCM) C2
Body Control Module (BCM) C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| E1-E2 | - | - | Not Used |
| E3 | L-GN | 80 | Key In Ignition Switch Signal |
| E4 | YE | 307 | Headlamp Switch Flash to Pass Signal |
| E5 | GY/BK | 308 | Park Lamp Switch On Signal |
| E6 | PK/BK | 109 | Hood Ajar Switch Signal (UA2) |
| E7 | PK | 1348 | Headlamp On Indicator Control |
| E8 | BK | 1835 | Security System Sensor Low Reference |
| E9 | RD/WH | 812 | 12-Volt Reference |
| E10 | - | - | Not Used |
| E11 | D-GN/WH | 1317 | Fog Lamp Relay and Indicator Control (T96) |
| E12 | BK | 28 | Horn Relay Control |
| E13 | - | - | Not Used |
| E14 | TN | 5463 | Daytime Running Lamp Override Indicator |
| E15-E16 | - | - | Not Used |
| F1-F2 | - | - | Not Used |
| F3 | D-GN | 113 | Windshield Wiper Switch Signal 2 |
| F4 | D-BU/WH | 1495 | Courtesy Lamps On Signal |
| F5 | BN/WH | 1871 | Headlamp Washer Switch Signal (CE4) |
| F6 | OG | 192 | Front Fog Lamps Switch Signal (T96) |
| F7 | L-BU | 187 | Rear Fog Lamps Switch Signal (T79) |
| F8 | L-GN | 5462 | DRL Defeat Switch Signal |
| F9 | WH | 103 | Headlamp Switch Headlamps On Signal |
| F10 | L-GN | 11 | Headlamp High Beam Supply Voltage |
| F11 | PU | 328 | Interior Lamp Defeat Switch Signal |
| F12 | - | - | Not Used |
| F13 | PK | 5068 | Intrusion Sensor Switch Disable Signal (BAE) |
| F14-F16 | - | - | 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.