Body Control Module (BCM) - C4
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM) - C4
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | L-GN | 80 | Key In Ignition Switch Signal |
| A2 | YE | 307 | Headlamp Switch Flash to Pass Signal |
| A3 | WH | 530 | Off/Run/Crank Voltage |
| A4 | PK | 39 | Ignition 1 Voltage |
| A5 | - | - | Not Used - Uplevel |
| BK/WH | 746 | Right Front Door Ajar Switch Signal - Base | |
| A6 | D-BU/WH | 149 | Cargo Lamp Low Control |
| A7 | L-BU | 1134 | Park Brake Switch Signal |
| A8 | GY | 1524 | Backup Lamp Signal |
| A9-A11 | - | - | Not Used |
| A12 | WH | 103 | Headlamp Switch Headlamps On Signal |
| B1-B2 | - | - | Not Used |
| B3 | YE | 43 | Accessory Voltage |
| B4 | - | - | Not Used - Uplevel |
| GY/BK | 745 | Left Front Door Ajar Switch Signal - Base | |
| B5 | - | - | Not Used - Uplevel |
| L-BU | 195 | Door Lock Control - Base | |
| B6 | GY/BK | 2226 | Instrument Panel Lamps Dimmer Switch Low Reference |
| B7 | BK | 279 | Ambient Light Sensor Low Reference |
| B8 | - | - | Not Used |
| B9 | D-BU/WH | 1495 | Courtesy Lamps On Signal |
| B10 | - | - | Not Used - Uplevel |
| WH | 194 | Door Unlock Control - Base | |
| B11-B12 | - | - | Not Used |