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.
Memory Seat Module (MSM) Connector End View C2 (A45)
2005 Cadillac CTS VSECTION Memory Seat Module (MSM) Connector End View C2 (A45)
Memory Seat Module (MSM) Connector End View C2 (A45)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| E1 | D-GN | 1518 | Power Seat Front Vertical Up Switch Signal |
| E2 | YE | 1519 | Power Seat Rear Vertical Up Switch Signal |
| E3 | D-BU | 1520 | Power Seat Front Vertical Down Switch Signal |
| E4 | L-BU | 1521 | Power Seat Rear Vertical Down Switch Signal |
| E5 | TN | 1522 | Power Seat Horizontal Forward Switch Signal |
| E6 | L-GN | 1523 | Power Seat Horizontal Rearward Switch Signal |
| E7 | L-GN | 276 | Driver Seat Recline Forward Switch Signal |
| E8 | L-BU | 277 | Driver Seat Recline Rearward Switch Signal |
| E9 | D-BU | 1064 | Driver Seat Lumbar Rearward Switch Signal (AL2) |
| E10 | YE | 1065 | Driver Seat Lumbar Forward Switch Signal (AL2) |
| E11-E12 | - | - | Not Used |
| E13 | GY | 788 | 5-Volt Reference |
| E14 | BN/WH | 557 | Front Vertical Seat Motor Position Sensor Signal |
| E15 | BK | 782 | Memory Seat Sensor Low Reference |
| E16 | D-GN | 569 | Horizontal Seat Motor Position Sensor Signal |
| F1 | TN | 568 | Rear Vertical Seat Motor Position Sensor Signal |
| F2 | WH/BK | 570 | Driver Seat Recline Motor Position Sensor Signal |
| F3 | YE | 1063 | Driver Seat Lumbar Horizontal Position Sensor Signal (AL2) |
| F4-F10 | - | - | Not Used |
| F11 | OG | 2840 | Battery Positive Voltage |
| F12-F13 | - | - | Not Used |
| F14 | PU | 1807 | Class 2 Serial Data |
| F15-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.