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 (5 OF 7)COMPONENT CONNECTOR END VIEWSK27 FUEL PUMP CONTROL MODULE (LSA)
2013 Cadillac CTS V, 2D Coupe, Automatic Trans
K27 Fuel Pump Control Module (LSA)
2013 Cadillac CTS V, 2D Coupe, Automatic TransSECTION K27 Fuel Pump Control Module (LSA)
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 | 13327187 | J-35616-42 (RD) | J-38125-553 | 15476168 | 5 | F | 3 |
| II | SEALED: 13576387 UNSEALED: 13578917 | J-35616-64B (L-BU) | J-38125-215A | SAITS-A03T-M064 | 14 | 9 | 9 |
K27 Fuel Pump Control Module (LSA)
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 5 | BK | 1050 | Ground | I | - |
| 2-4 | - | - | - | Not Occupied | - | - |
| 5 | 0.35 | GY | 7447 | Fuel Pressure Sensor Low Reference | II | - |
| 6 | 0.35 | TN | 2501 | High Speed GMLAN Serial Data Bus- | II | - |
| 7 | 0.35 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus+ | II | - |
| 8-9 | - | - | - | Not Occupied | - | - |
| 10 | 0.35 | PU | 7446 | Fuel Pressure Sensor Signal | II | - |
| 11-12 | - | - | - | Not Occupied | - | - |
| 13 | 0.5 | D-GN/WH | 465 | Fuel Pump Relay Control - Primary | II | - |
| 14 | - | - | - | Not Occupied | - | - |
| 15 | 0.5 | PK | 339 | Ignition 1 Voltage | II | - |
| 16 | 5.0 | PK | 1580 | Fuel Pump Ground | I | - |
| 17 | 0.35 | L-BU | 5986 | Serial Data Communication Enable | II | - |
| 18-20 | - | - | - | Not Occupied | - | - |
| 21 | 0.35 | TN | 2501 | High Speed GMLAN Serial Data Bus- | II | - |
| 22 | 0.35 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus+ | II | - |
| 23-31 | - | - | - | Not Occupied | - | - |
| 32 | 3.0 | RD/WH | 2840 | Battery Voltage | I | - |
| 33-35 | - | - | - | Not Occupied | - | - |
| 36 | 0.35 | BN | 7445 | Fuel Pressure Sensor 5V Reference | II | - |
| 37-43 | - | - | - | Not Occupied | - | - |
| 44 | 0.35 | BK | 7444 | Drain Wire | II | - |
| 45-46 | - | - | - | Not Occupied | - | - |
| 47 | 5.0 | GY | 120 | Fuel Pump Supply Voltage | I | - |
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.