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) X2
2008 Pontiac Grand Prix BaseSECTION Body Control Module (BCM) X2
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM) X2
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | - | - | Not Used |
| 2 | 0.35 RD/BK | 780 | Driver Door Lock Switch Lock Signal |
| 3 | 0.5 RD/BK | 744 | Rear Compartment Lid Ajar Switch |
| 4 | 0.35 D-BU | 245 | Passenger Door Lock Switch Unlock Control |
| 5 | 0.35 L-GN/BK | 748 | Right Rear Door Ajar Switch Signal |
| 6 | 0.35 YE/BK | 1181 | Right Rear Door Open Switch Signal |
| 7 | 0.35 L-BU/BK | 747 | Left Rear Door Ajar Switch Signal |
| 8 | 0.35 L-GN | 1177 | Right Front Door Open Switch Signal |
| 9 | 0.5 OG/BK | 233 | Park Brake Switch Signal |
| 10 | 0.35 L-GN | 1845 | Chime Control (UD7) |
| 11 | 0.35 OG/BK | 781 | Driver Door Lock Switch Unlock Signal |
| 12-15 | - | - | Not Used |
| 16 | 0.35 WH | 193 | Rear Defog Relay Control |
| 17 | 0.35 BK/WH | 746 | Right Front Door Ajar Switch Signal |
| 18 | 0.35 D-BU/WH | 1179 | Left Rear Door Open Switch Signal |
| 19 | - | - | Not Used |
| 20 | 0.35 D-GN/WH | 1135 | A/T Shift Lock Control Solenoid Supply Voltage |
| 21 | - | - | Not Used |
| 22 | 0.35 L-GN | 1123 | Door Lock Key Switch Lock Signal |
| 23 | 0.5 WH | 5075 | Remote Start Sensor Signal |
| 24 | 0.35 PU | 1124 | Door Lock Key Switch Unlock Signal |
| 25 | 0.35 TN | 126 | Left Front Door Open Switch Signal |
| 26 | 0.35 GY/BK | 745 | Left Front Door Ajar Switch Signal |
| 27-29 | - | - | Not Used |
| 30 | 0.5 WH | 17 | Stop Lamp Switch Signal |
| 31 | 0.35 L-BU | 244 | Passenger Door Lock Switch Lock Control |
| 32-34 | - | - | Not Used |
| 35 | 0.35 YE | 2080 | Driver Heated Seat Cushion Temperature Sensor Low Reference (KA1) |
| 36 | 0.35 PK | 2435 | Passenger Heated Seat Cushion Temperature Sensor Low Reference (KA1) |
| 37 | 0.35 YE/BK | 2079 | Heated Seat Cushion Temperature Sensor Signal (KA1) |
| 38 | 0.35 GY | 2434 | Passenger Heated Seat Cushion Temperature Sensor Signal (KA1) |
| 39 | 0.35 TN/WH | 2430 | Passenger Heated Seat Relay Control (KA1) |
| 40 | 0.35 PU | 2477 | Driver Heated Seat Relay Control (KA1) |
| 41 | - | - | Not Used |
| 42 | 0.8 L-GN | 24 | Backup Lamp Supply Voltage |
| 43 | 0.5 YE | 18 | Left Rear Stop/Turn Lamp Supply Voltage |
| 44 | 0.5 GY | 8 | Instrument Panel Lamp Supply Voltage |
| 45 | 0.35 L-BU | 1344 | Trunk Release Control |
| 46 | 1 TN | 694 | Driver Door Lock Actuator Unlock Control |
| 47 | - | - | Not Used |
| 48 | 0.8 D-GN | 19 | Right Rear Stop/Turn Lamp Supply Voltage |
| 49 | 0.8 OG | 440 | Battery Positive Voltage |
| 50 | 1 BK | 550 | Ground |
| 51 | 1 TN | 294 | Door Lock Actuator Unlock Control |
| 52 | 1 GY | 295 | Door Lock Actuator Lock Control |
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.