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.
2006 Chevrolet SSR AutomaticFACTORY OEM SERVICE PROCEDURE
Body Control Module (BCM) C4
WARNING: This page is about a different car, the 2006 Chevrolet Corvette. 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 | - | - | Not Used |
| A2 | WH | 156 | Courtesy Lamp Switch Signal |
| WH | 156 | Courtesy Lamp Switch Signal | |
| A3 | L-GN | 24 | Backup Lamp Supply Voltage |
| A4-A12 | - | - | Not Used |
| B1 | PK | 94 | Windshield Washer Switch Signal |
| B2-B9 | - | - | Not Used |
| B10 | PK | 1439 | Ignition 1 Voltage |
| B11-B12 | - | - | Not Used |
| C1-C3 | - | - | Not Used |
| C4 | WH | 17 | Stop Lamp Switch Signal |
| C5 | - | - | Not Used |
| C8 | PK | 3 | Run/Crank Ignition 1 Voltage |
| C9 | - | - | Not Used |
| C10 | PK | 739 | Ignition 1 Voltage |
| PK | 739 | Ignition 1 Voltage | |
| C11-C12 | - | - | Not Used |
| D1 | RD/WH | 340 | Battery Positive Voltage |
| D2 | - | - | Not Used |
| D3 | PK | 3 | Run/Crank Ignition 1 Voltage |
| D4 | L-BU | 20 | Stop Lamp Supply Voltage |
| D5 | OG | 1732 | Electronic Control Unit 12-Volt Reference (3) |
| D8 | PK | 639 | Ignition 1 Voltage |
| D9 | - | - | Not Used |
| D10 | RD/WH | 1140 | Battery Positive Voltage |
| RD/WH | 1140 | Battery Positive Voltage | |
| D11-D12 | - | - | Not Used |
| E1 | RD/WH | 440 | Battery Positive Voltage |
| RD/WH | 440 | Battery Positive Voltage | |
| E2-E4 | - | - | Not Used |
| E5 | OG | 1732 | Electronic Control Unit 12-Volt Reference |
| E6 | RD/WH | 740 | Battery Positive Voltage |
| E7 | - | - | Not Used |
| E8 | PK | 1039 | Ignition 1 Voltage |
| E9 | - | - | Not Used |
| E10 | RD/WH | 1240 | Battery Positive Voltage |
| E11 | - | - | Not Used |
| E12 | BK | 1550 | Ground |
| F1 | RD/WH | 240 | Battery Positive Voltage |
| F2-F4 | - | - | Not Used |
| F5 | RD/WH | 1040 | Battery Positive Voltage (Export) |
| F6 | RD/WH | 1040 | Battery Positive Voltage (Convertible) |
| F7-F8 | - | - | Not Used |
| F9 | RD/WH | 3140 | Battery Positive Voltage (Export) |
| F10-F12 | - | - | Not Used |
Factory Service Tools
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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.
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