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 MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 51 (COMPONENT CONNECTOR END VIEWS (E13LA-K20 LUV))COMPONENT CONNECTOR END VIEWSK20 ENGINE CONTROL MODULE X2 (LUV)
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
K20 Engine Control Module X2 (LUV)
2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION K20 Engine Control Module X2 (LUV)
WARNING: This page is about a different car, the 2018 Chevrolet Sonic. 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 | 13575796 | J-35616-64B (LT BU) | J-38125-213 | Not Available | Not Available | Not Available | Not Available |
| II | 13576392 | J-35616-64B (LT BU) | J-38125-213 | Not Available | Not Available | Not Available | Not Available |
| III | 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 | 0.5 | BU/VT | 2121 | Ignition Control 1 | I | LUV |
| 2 | 0.75 | GN/YE | 1744 | Fuel Injector Control 1 | I | LUV |
| 3 | 0.75 | BN/VT | 1746 | Fuel Injector Control 3 | II | LUV |
| 4 | 0.75 | BN/YE | 844 | Fuel Injector Control 4 | I | LUV |
| 5 | 0.75 | YE/WH | 1745 | Fuel Injector Control 2 | I | LUV |
| 6 - 9 | - | - | - | Not Occupied | - | - |
| 10 | 0.5 | GY/BU | 5282 | Camshaft Phaser Exhaust Solenoid 1 | I | LUV |
| 11 | 0.5 | VT/BN | 5284 | Camshaft Phaser Intake Solenoid 1 | I | LUV |
| 12 | - | - | - | Not Occupied | - | - |
| 13 | 0.75 | VT/BU | 5290 | Powertrain Main Relay Fused Supply 1 | I | LUV |
| 14 | 0.5 | BU | 6814 | Thermostat Engine Cool Control | I | LUV |
| 15 | 0.75 | YE | 581 | Throttle Actuator Control Open | I | LUV |
| 16 | 0.75 | BN/WH | 582 | Throttle Actuator Control Close | I | LUV |
| 17 | 0.5 | GN/BU | 2123 | Ignition Control 3 | I | LUV |
| 18 - 19 | - | - | - | Not Occupied | - | - |
| 20 | 0.5 | BK/VT | 6272 | Crankshaft 60X Sensor Low Reference | I | LUV-BUP |
| 21 | 0.5 | GY/BK | 6267 | Camshaft CAM X Ground | I | LUV |
| 22 - 23 | - | - | - | Not Occupied | - | - |
| 24 | 0.5 | GN/BK | 6266 | Camshaft CAM W Ground | I | LUV |
| 25 - 27 | - | - | - | Not Occupied | - | - |
| 28 | 0.75 | VT/BU | 5290 | Powertrain Main Relay Fused Supply 1 | I | LUV |
| 29 | 0.5 | BK/BU | 6783 | Exhaust Gas Temperature Sensor 2 Low Reference | I | LUV |
| 30 | 0.5 | BK/VT | 6754 | Cam Phaser X Low Reference | I | LUV |
| 31 | 0.5 | YE/BU | 231 | Oil Pressure Switch Signal | I | - |
| 32 | - | - | - | Not Occupied | - | - |
| 33 | 0.5 | YE/BU | 2124 | Ignition Control 4 | I | LUV |
| 34 | - | - | - | Not Occupied | - | - |
| 35 | 0.5 | BK/BU | 2129 | Ignition Control Low Reference Bank 1 | I | LUV |
| 36 | 0.5 | VT/BU | 6270 | Crankshaft 60X Sensor 5V Reference | I | LUV-BUP |
| 37 | 0.5 | GY/YE | 6457 | Camshaft CAM X Control | I | LUV |
| 38 - 39 | - | - | - | Not Occupied | - | - |
| 40 | 0.5 | GY/BU | 6259 | Camshaft CAM W Control | I | LUV |
| 41 - 42 | - | - | - | Not Occupied | - | - |
| 43 | 0.5 | GY/RD | 416 | Throttle Position Sensor 5V Reference | I | LUV |
| 44 | 0.5 | BK/BN | 2752 | Throttle Position Sensor Low Reference | I | LUV |
| 45 | - | - | - | Not Occupied | - | - |
| 46 | 0.5 | GY | 5641 | Turbo Boost Pressure Sensor Temperature Signal | I | LUV |
| 47 | 0.5 | YE/BN | 1664 | Heated Oxygen Sensor Low Signal Bank 1 Sensor 1 | I | LUV |
| 48 | - | - | - | Not Occupied | - | - |
| 49 | 0.5 | BK/YE | 1716 | Knock Sensor Low Reference 1 | I | LUV-BUP |
| 50 - 52 | - | - | - | Not Occupied | - | - |
| 53 | 0.5 | BU/WH | 2122 | Ignition Control 2 | I | LUV |
| 54 - 55 | - | - | - | Not Occupied | - | - |
| 56 | 0.5 | GN | 6271 | Crankshaft 60X Sensor Signal | I | LUV-BUP |
| 57 | 0.5 | VT/BK | 6264 | Camshaft CAM X Signal | I | LUV |
| 58 - 59 | - | - | - | Not Occupied | - | - |
| 60 | 0.5 | YE/VT | 6265 | Camshaft CAM W Signal | I | LUV |
| 61 - 62 | - | - | - | Not Occupied | - | - |
| 63 | 0.5 | BN/GN | 485 | Throttle Position Sensor Signal 1 | I | LUV |
| 64 | - | - | - | Not Occupied | - | - |
| 65 | 0.5 | BN/BU | 486 | Throttle Position Sensor Signal 2 | I | LUV |
| 66 | - | - | - | Not Occupied | - | - |
| 67 | 0.5 | GN | 1665 | Heated Oxygen Sensor High Signal Bank 1 Sensor 1 | I | LUV |
| 68 | - | - | - | Not Occupied | - | - |
| 69 | 0.5 | VT/GY | 496 | Knock Sensor Signal 1 | I | LUV-BUP |
| 70 - 71 | - | - | - | Not Occupied | - | - |
| 72 | 0.5 | GY/WH | 3113 | Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 1 | I | LUV |
| 73 | 2.5 | BK | 1750 | Ground | III | LUV |
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.