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 (L96/LC8)
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN G
K20 Engine Control Module X1 (L96/LC8)
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION K20 Engine Control Module X1 (L96/LC8)
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 |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | - | - | - | Not Occupied | - | - |
| 2 | 0.5 | BU | 1162 | Accelerator Pedal Position Signal 2 | I | - |
| 3 | 0.75 | GN/WH | 492 | Mass Air Flow Sensor Signal | I | - |
| 4 - 7 | - | - | - | Not Occupied | - | - |
| 8 | 0.75 | GY/BU | 7564 | Humidity Sensor Signal | I | - |
| 9 | - | - | - | Not Occupied | - | - |
| 10 | 0.5 | BU | 1161 | Accelerator Pedal Position Signal 1 | I | - |
| 11 | 0.75 | YE/WH | 3200 | Throttle Inlet Absolute Pressure Sensor Signal | I | - |
| 12 | 0.8 | OG/BK | 380 | A/C Refrigerant Pressure Sensor Signal | I | - |
| 13 | 0.8 | TN | 5514 | A/C Refrigerant Pressure Sensor Low Reference | I | - |
| 14 - 15 | - | - | - | Not Occupied | - | - |
| 16 | 0.5 | TN | 1274 | Accelerator Pedal Position 5V Reference 2 | I | - |
| 17 | - | - | - | Not Occupied | - | - |
| 18 | 0.5 | BU | 5985 | Accessory Wakeup Serial Data | I | - |
| 19 | 0.5 | VT/GN | 439 | Run/Crank Ignition 1 Voltage | I | - |
| 20 | 0.5 | RD/WH | 440 | Battery Positive Voltage | I | - |
| 21 - 23 | - | - | - | Not Occupied | - | - |
| 24 | 0.5 | WH/BK | 1164 | Accelerator Pedal Position 5V Reference 1 | I | - |
| 25 | 0.75 | WH/RD | 3201 | Throttle Inlet Absolute Pressure Sensor 5V Reference | I | - |
| 26 | 0.8 | GY | 2700 | A/C Pressure Sensor 5V Reference | I | - |
| 27 | 0.5 | YE/BK | 625 | Starter Enable Relay Control | I | - |
| 28 | 0.5 | GN/WH | 465 | Fuel Pump Primary Relay Control | I | - |
| 29 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data (+) 1 | I | - |
| 30 | 0.5 | VT | 1272 | Accelerator Pedal Position Low Reference 2 | I | - |
| 31 | 0.75 | BK/VT | 2760 | Intake Air Temperature Sensor Low Reference | I | - |
| 32 | 0.8 | BU/BK | 6813 | Coolant Temperature Sensor 2 Low Reference | I | - |
| 33 | 0.5 | BU/WH | 6311 | Cruise/ETC/TCC Brake Signal | I | - |
| 34 | 0.5 | OG/BK | 1786 | Transmission Park/Neutral Signal 1 | I | - |
| 35 - 37 | - | - | - | Not Occupied | - | - |
| 38 | 0.5 | BN | 1271 | Accelerator Pedal Position Low Reference 1 | I | - |
| 39 | - | - | - | Not Occupied | - | - |
| 40 | 0.5 | YE | 5991 | Powertrain Relay Coil Control | I | - |
| 41 - 42 | - | - | - | Not Occupied | - | - |
| 43 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data (-) 1 | I | - |
| 44 | - | - | - | Not Occupied | - | - |
| 45 | 0.75 | BN/VT | 472 | Intake Air Temperature Sensor Signal | I | - |
| 46 | 0.8 | GN | 2032 | Coolant Temperature Sensor Signal | I | - |
| 47 | 0.5 | OG | 225 | Generator Turn On Signal | I | - |
| 48 - 49 | - | - | - | Not Occupied | - | - |
| 50 | 0.5 | GN/WH | 817 | Vehicle Speed Signal | I | - |
| 51 | - | - | - | Not Occupied | - | - |
| 52 | 0.5 | BN/WH | 419 | Check Engine Indicator Control | I | - |
| 53 | 0.5 | GN/WH | 459 | A/C Compressor Clutch Relay Control | I | - |
| 54 - 55 | - | - | - | Not Occupied | - | - |
| 56 | 0.5 | WH | 1310 | EVAP Canister Vent Solenoid Control | 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.