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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2019EXPRESS 2500 BASE, VAN CARGO EXTENDED, 6.0L ENG VIN GREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (K71 (LWN) - Q77G)COMPONENT CONNECTOR END VIEWSK115 REDUCTANT CONTROL MODULE X2
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN G
K115 Reductant Control Module X2
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION K115 Reductant Control Module X2
Connector Part Information
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Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | Not Required | Not Available | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | - | OG | 3103 | DEF Smart Pump Control | I | - |
| 2 | - | GN | 3875 | DEF Smart Pump Control Phase 2 | I | - |
| 3 | - | BU | 3876 | DEF Smart Pump Control Phase 3 | I | - |
| 4 | - | VT | 4318 | DEF Tank Heater Low Control | I | - |
| 5 | - | BK | 3104 | DEF Smart Pump Low Reference | I | - |
| 6 | - | OG | 7285 | Diesel Exhaust Fluid Liquid Quality Temperature Sensor Low Reference | I | - |
| 7 | - | YE | 3922 | DEF Heater Supply 2 | I | - |
| 8 | - | - | - | Not Occupied | - | - |
| 9 | - | OG | 3244 | DEF Tank Temperature Sensor Signal | I | - |
| 10 | - | GN | 3245 | DEF Tank Temperature Sensor Low Reference | I | - |
| 11 | - | YE | 3921 | DEF Heater Supply 1 | I | - |
| 12 | - | BU | 3106 | DEF Pressure Sensor 5V Reference | I | - |
| 13 | - | GY | 3108 | DEF Pressure Sensor Signal | I | - |
| 14 | - | YE | 3107 | DEF Pressure Sensor Low Reference | I | - |
| 15 | - | VT | 6136 | Control | I | - |
| 16 | - | BU | 3028 | DEF Tank Level Sensor Signal | I | - |
| 17 | - | VT | 3029 | DEF Tank Level Sensor Low Reference | I | - |
| 18 | - | GN | 7487 | Sensor Signal | I | - |
| 19 | - | YE | 53 | Diesel Exhaust Fluid Quality Signal | I | - |
| 20 | - | VT | 4319 | DEF Line Heater Low Control | 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.