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 MANUALSCADILLAC2013CTS V, 2D COUPE, AUTOMATIC TRANSREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS (1 OF 7)COMPONENT CONNECTOR END VIEWSK39 LIFTGATE CONTROL MODULE X1 (WAGON)
2013 Cadillac CTS V, 2D Coupe, Automatic Trans
K39 Liftgate Control Module X1 (Wagon)
2013 Cadillac CTS V, 2D Coupe, Automatic TransSECTION K39 Liftgate Control Module X1 (Wagon)
Connector Part Information
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Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 13575845 | J-35616-64B (L-BU) | J-38125-215A | SAIT-A03T-M064 | 14 | P | P |
K39 Liftgate Control Module X1 (Wagon)
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | L-GN | 6112 | Power Liftgate On/Off Switch Signal | I | - |
| 2 | - | - | - | Not Occupied | - | - |
| 3 | 0.35 | D-GN | 3033 | Liftgate Close Signal | I | - |
| 4 | 0.35 | D-GN | 5512 | Liftgate Ajar Switch Signal | I | - |
| 5 | 0.35 | PK/BK | 6000 | Liftgate Ajar Switch Signal | I | - |
| 6 | 0.35 | GY | 7000 | Liftgate Ajar Switch Signal | I | - |
| 7 | 0.35 | L-GN | 5060 | Low Speed GM LAN Serial Data | I | - |
| 8 | 0.5 | WH/BK | 6126 | Liftgate Object Sensor Signal | I | - |
| 9-13 | - | - | - | Not Occupied | - | - |
| 14 | 0.35 | GY | 5797 | Rear Closure Handle Switch Open Signal | I | - |
| 15 | - | - | - | Not Occupied | - | - |
| 16 | 0.35 | PU/WH | 5801 | Low Reference | I | - |
RENDER: 1.0x
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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.