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 MANUALSGMC2020SAVANA 3500 LS, VAN PASSENGER, 6.0L ENG VIN B, GAS/ETHANOLREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (K9 (X6)-K64)COMPONENT CONNECTOR END VIEWSK20 ENGINE CONTROL MODULE X3 (LWN)
2020 GMC Savana 3500 LS, Van Passenger, 6.0L Eng VIN B, Gas/Ethanol
K20 Engine Control Module X3 (LWN)
2020 GMC Savana 3500 LS, Van Passenger, 6.0L Eng VIN B, Gas/EthanolSECTION K20 Engine Control Module X3 (LWN)
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 | 19354746 | J-35616-64B (LT BU) | J-38125-213 | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | BN/WH | 3100 | Diesel Exhaust Fluid Dosing Valve Low Control | I | - |
| 2 | - | - | - | Not Occupied | - | - |
| 3 | 0.5 | BK/L-GN | 6281 | Fuel Level Sensor Low Reference | I | - |
| 4 - 5 | - | - | - | Not Occupied | - | - |
| 6 | 0.5 | YE/WH | 3200 | Throttle Inlet Absolute Pressure Sensor Signal | I | - |
| 7 | 0.5 | WH/RD | 3201 | Throttle Inlet Absolute Pressure Sensor 5V Reference | I | - |
| 8 | 0.5 | BK/YE | 407 | Sensor Low Reference | I | - |
| 9 | 0.5 | BK/VT | 3661 | Exhaust Gas Temperature Sensor 5 Low Reference | I | - |
| 10 | 0.5 | BK/D-BU | 6274 | Exhaust Gas Recirculation Temperature Sensor Low Reference | I | - |
| 11 | 0.5 | BK/GY | 3659 | Exhaust Gas Temperature Sensor 4 Low Reference | I | - |
| 12 | 0.5 | BK/L-GN | 3657 | Exhaust Gas Temperature Sensor 3 Low Reference | I | - |
| 13 | 0.5 | BK/D-BU | 6783 | Exhaust Gas Temperature Sensor 2 Low Reference | I | - |
| 14 | 0.5 | D-BU/WH | 5277 | Exhaust Gas Temperature Sensor 1 Signal | I | - |
| 15 | 0.5 | BN | 3099 | Diesel Exhaust Fluid Dosing Valve High Control | I | - |
| 16 - 17 | - | - | - | Not Occupied | - | - |
| 18 | 0.5 | BU/VT | 1589 | Primary Fuel Level Sensor Signal 2 | I | - |
| 19 | 0.5 | BK/YE | 6275 | Exhaust Gas Recirculation Temperature Sensor 2 Low Reference | I | - |
| 20 | 0.5 | YE/L-GN | 3236 | Exhaust Gas Recirculation Temperature Sensor 2 Signal | I | - |
| 21 | 0.5 | GY/RD | 5928 | Turbocharger Vane Position Sensor Voltage Reference | I | - |
| 22 | 0.5 | L-GN/BK | 735 | Ambient Air Temperature Sensor Signal 2 | I | - |
| 23 | 0.5 | D-BU/GY | 3660 | Exhaust Gas Temperature Sensor 5 Signal | I | - |
| 24 | 0.5 | WH/BN | 3237 | Exhaust Gas Recirculation Temperature Sensor Signal | I | - |
| 25 | 0.5 | VT/BN | 3658 | Exhaust Gas Temperature Sensor 4 Signal | I | - |
| 26 | 0.5 | GY/L-GN | 5378 | Exhaust Gas Temperature Sensor 3 Signal | I | - |
| 27 | 0.5 | BK/BN | 6782 | Exhaust Gas Temperature Sensor 1 Low Reference | I | - |
| 28 | 0.5 | D-BU/L-GN | 5377 | Exhaust Gas Temperature Sensor 2 Signal | I | - |
| 29 | - | - | - | Not Occupied | - | - |
| 30 | 0.5 | YE/D-BU | 1497 | Positive Crankcase Ventilation Heater Control | I | - |
| 31 | - | - | - | Not Occupied | - | - |
| 32 | 0.5 | BN/GY | 4008 | Humidity Sensor Signal | I | - |
| 33 | 0.5 | BK/BN | 5929 | Turbocharger Vane Position Sensor Low Reference | I | - |
| 34 - 42 | - | - | - | Not Occupied | - | - |
| 43 | 0.5 | L-GN/D-BU | 3889 | Powertrain Sensor Bus Relay Control | I | - |
| 44 | - | - | - | Not Occupied | - | - |
| 45 | 0.5 | BU | 3017 | Fuel Heater Relay 1 Control | I | - |
| 46 | 0.5 | VT/YE | 5947 | Turbocharger Vane Position Sensor Signal | I | - |
| 47 - 49 | - | - | - | Not Occupied | - | - |
| 50 | 0.5 | WH/RD | 6054 | Exhaust Pressure Sensor 1 5V Reference | I | - |
| 51 | 0.5 | D-BU/ | 6053 | Exhaust Pressure Sensor 1 Signal | I | - |
| 52 | 0.5 | BK/YE | 6055 | Exhaust Pressure Sensor 1 Low Reference | I | - |
| 53 - 56 | - | - | - | Not Occupied | - | - |
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.