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 MANUALSGMC2024SIERRA 2500 HD DENALI ULTIMATEREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (K111 - K219)COMPONENT CONNECTOR END VIEWSK111 FUEL PUMP POWER CONTROL MODULE (L8T & N2M)
2024 GMC Sierra 2500 HD Denali Ultimate
K111 Fuel Pump Power Control Module (L8T & N2M)
2024 GMC Sierra 2500 HD Denali UltimateSECTION K111 Fuel Pump Power Control Module (L8T & N2M)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | 19329958 | J-35616-2A (GY) | J-38125-560 |
| II | 85533337 | J-35616-35 (VT) | J-38125-11A |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 - 6 | - | - | - | Not Occupied | - | - |
| 7 | 2.5 | RD / VT | 1940 | Battery Positive Voltage | II | - |
| 8 | 2.5 | GY | 120 | Fuel Pump Control | II | - |
| 9 | 2.5 | YE / GY | 4137 | Fuel Pump Supply Voltage Phase 2 | II | - |
| 10 | 0.5 | YE / RD | 2709 | Fuel Tank Pressure Sensor 5V Reference | I | - |
| 11 | 0.5 | BU / GN | 890 | Fuel Tank Pressure Sensor Signal | I | - |
| 12 | 0.5 | BN / RD | 7445 | Fuel Line Pressure Sensor 5V Reference | I | - |
| 13 | 0.5 | BU / GN | 1936 | Primary Fuel Level Sensor Signal | I | - |
| 14 | - | - | - | Not Occupied | - | - |
| 15 | 0.5 | BU / GY | 4054 | Private Serial Data Powertrain CAN Bus [-] Serial Data | I | - |
| 16 | 0.5 | VT / GN | 4320 | Powertrain Sensor Bus Enable | I | - |
| 17 | - | - | - | Not Occupied | - | - |
| 18 | 0.5 | GN / GY | 465 | Fuel Pump Primary Relay Control | I | - |
| 19 - 20 | - | - | - | Not Occupied | - | - |
| 21 | 0.5 | WH | 1310 | EVAP Vent Solenoid Valve Control | II | - |
| 22 | 2.5 | BK / WH | 1951 | Signal Ground | II | - |
| 23 | 0.5 | WH | 7444 | Fuel Pump Assembly Shield Ground | II | - |
| 24 | 2.5 | WH / BN | 4138 | Fuel Pump Supply Voltage Phase 3 | II | - |
| 25 | 0.5 | BK / BN | 6284 | Fuel Tank Pressure Sensor Low Reference | I | - |
| 26 | 0.5 | BU / WH | 7446 | Fuel Pressure Sensor Signal | I | - |
| 27 | 0.5 | BK / YE | 7447 | Fuel Pressure Sensor Low Reference | I | - |
| 28 | 0.5 | BK / GN | 6281 | Fuel Level Sensor Low Reference | I | - |
| 29 | - | - | - | Not Occupied | - | - |
| 30 | 0.5 | WH | 4055 | Private Serial Data Powertrain CAN Bus [+] Serial Data | 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.