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.
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HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 346 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - I THROUGH M)COMPONENT CONNECTOR END VIEWS - L THROUGH MMEMORY SEAT MODULE (MSM) X1 (AN3)
2009 Chevrolet Tahoe Base, 4.8 C
Memory Seat Module (MSM) X1 (AN3)
2009 Chevrolet Tahoe Base, 4.8 CSECTION Memory Seat Module (MSM) X1 (AN3)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 GMC Yukon XL, 2010 GMC Yukon, 2010 Chevrolet Tahoe, 2010 Chevrolet Suburban, and 2010 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Memory Seat Module (MSM) X1 (AN3)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.35 PU | 2424 | Ground (without KB6) |
| 2-3 | - | - | Not Used |
| 4 | 0.35 L-BU | 2433 | Ground (without KB6) |
| 5 | - | - | Not Used |
| 6 | 0.35 D-BU | 2479 | Heated Seat Cushion Element Control (without KB6) |
| 7-8 | - | - | Not Used |
| 9 | 1 TN | 285 | Driver Seat Horizontal Motor Forward Control |
| 10 | 1 L-GN | 284 | Driver Seat Horizontal Motor Rearward Control |
| 11 | 0.35 L-GN | 2078 | Ground (without KB6) |
| 12 | 1 D-GN | 286 | Driver Seat Front Vertical Motor Up Control |
| 13 | 1 D-BU | 287 | Driver Seat Front Vertical Motor Down Control |
| 14 | 0.35 PK | 2077 | Heated Seat Cushion Element Control (without KB6) |
| 15 | 1 YE | 282 | Driver Seat Rear Vertical Motor Up Control |
| 16 | 1 L-BU | 283 | Driver Seat Rear Vertical Motor Down Control |
Connector Part Information
|
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.