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 MANUALSCHEVROLET2019EXPRESS 2500 BASE, VAN CARGO EXTENDED, 6.0L ENG VIN GREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 20 (COMPONENT CONNECTOR END VIEWS (K17-K71))COMPONENT CONNECTOR END VIEWSK20 ENGINE CONTROL MODULE X1 (LV1)
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN G
K20 Engine Control Module X1 (LV1)
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION K20 Engine Control Module X1 (LV1)
WARNING: This page is about a different car, the 2018 GMC Savana 3500, 2018 GMC Savana 2500, 2018 Chevrolet Express 3500, and 2018 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
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 | 13575812 | J-35616-64B (LT BU) | J-38125-213 | Not Available | Not Available | Not Available | Not Available |
| II | 13579770 | J-35616-4A (PU) | J-38125-11A | 7116-4152-02 | Yazaki 9 | A | 5 |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 - 3 | - | - | - | Not Occupied | - | - |
| 4 | 0.5 | YE/WH | 3200 | Throttle Inlet Absolute Pressure Sensor Signal | I | - |
| 5 | 0.5 | GY/WH | 3201 | Throttle Inlet Absolute Pressure Sensor 5V Reference | I | - |
| 6 | 0.5 | GN | 380 | A/C Refrigerant Pressure Sensor Signal | I | - |
| 7 - 8 | - | - | - | Not Occupied | - | - |
| 9 | 0.5 | BU/WH | 890 | Fuel Tank Pressure Sensor Signal | I | - |
| 10 | 0.5 | YE/RD | 2709 | Fuel Tank Pressure Sensor 5V Reference | I | - |
| 11 - 12 | - | - | - | Not Occupied | - | - |
| 13 | 0.5 | GN/BK | 735 | Outside Ambient Air Temperature Sensor Signal | I | - |
| 14 | 0.5 | WH/RD | 1164 | Accelerator Pedal Position 5V Reference 1 | I | - |
| 15 | 0.5 | YE/WH | 1161 | Accelerator Pedal Position Signal 1 | I | - |
| 16 - 20 | - | - | - | Not Occupied | - | - |
| 21 | 0.5 | BN/RD | 2700 | A/C Pressure Sensor 5V Reference | I | - |
| 22 | 0.5 | BK/BN | 5514 | A/C Refrigerant Pressure Sensor Low Reference | I | - |
| 23 - 24 | - | - | - | Not Occupied | - | - |
| 25 | 0.5 | BU/VT | 1589 | Primary Fuel Level Sensor Signal | I | - |
| 26 | 0.5 | BK/BN | 2759 | Fuel Tank Pressure Sensor Low Reference | I | - |
| 27 - 29 | - | - | - | Not Occupied | - | - |
| 30 | 0.5 | BK/BU | 1271 | Accelerator Pedal Position Low Reference 1 | I | - |
| 31 | - | - | - | Not Occupied | - | - |
| 32 | 0.5 | WH/GY | 459 | A/C Compressor Clutch Relay Control | I | - |
| 33 | 0.5 | BN/RD | 1274 | Accelerator Pedal Position 5V Reference 2 | I | - |
| 34 | 0.5 | GN/WH | 1162 | Accelerator Pedal Position Signal 2 | I | - |
| 35 - 38 | - | - | - | Not Occupied | - | - |
| 39 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data (+) 1 | I | - |
| 40 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data (-) 1 | I | - |
| 41 | 0.5 | BU/WH | 2918 | Fuel Rail Pressure Sensor Signal | I | - |
| 42 - 43 | - | - | - | Not Occupied | - | - |
| 44 | 0.5 | GN/GY | 465 | Fuel Pump Primary Relay Control | I | - |
| 45 | - | - | - | Not Occupied | - | - |
| 46 | 0.5 | BN/WH | 419 | Check Engine Indicator Control | I | - |
| 47 | 0.5 | WH | 5359 | Brake Apply Sensor Control | I | - |
| 48 | 0.5 | BU/YE | 5361 | Brake Apply Sensor Signal | I | - |
| 49 - 50 | - | - | - | Not Occupied | - | - |
| 51 | 0.5 | VT/GN | 439 | Run/Crank Ignition 1 Voltage | I | - |
| 52 | 0.75 | RD/WH | 440 | Battery Positive Voltage | I | - |
| 53 | 0.5 | BK/VT | 1272 | Accelerator Pedal Position Low Reference 2 | I | - |
| 54 - 56 | - | - | - | Not Occupied | - | - |
| 57 | 0.5 | WH/BU | 6311 | Cruise/ETC/TCC Brake Signal | I | - |
| 58 - 61 | - | - | - | Not Occupied | - | - |
| 62 | 0.75 | VT/GY | 1039 | Run/Crank Ignition 1 Voltage | I | - |
| 63 | 0.5 | YE/BK | 625 | Starter Enable Relay Control | I | - |
| 64 - 65 | - | - | - | Not Occupied | - | - |
| 66 | 0.5 | WH | 1310 | EVAP Canister Vent Solenoid Control | I | - |
| 67 | 0.75 | VT/BK | 1239 | Run/Crank Ignition 1 Voltage | I | - |
| 68 | 0.5 | BK/BN | 5360 | Brake Apply Sensor Low Reference | I | - |
| 69 | - | - | - | Not Occupied | - | - |
| 70 | 0.5 | VT/YE | 5985 | Accessory Wakeup Serial Data | I | - |
| 71 | - | - | - | Not Occupied | - | - |
| 72 | 0.5 | YE | 5991 | Powertrain Relay Coil Control | I | - |
| 73 | 2.5 | VT | 1439 | Run/Crank Ignition 1 Voltage | II | - |
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.