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 X1 (LUV)
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
K20 Engine Control Module X1 (LUV)
2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION K20 Engine Control Module X1 (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 |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | - | - | - | Not Occupied | - | - |
| 2 | 0.5 | GN/WH | 1162 | Accelerator Pedal Position Signal 2 | I | LUV |
| 3 | 0.5 | GN/WH | 492 | Mass Air Flow Sensor Signal | I | LUV |
| 4 - 7 | - | - | - | Not Occupied | - | - |
| 8 | 0.5 | BK/YE | 6014 | Barometric Pressure Sensor Low Reference | I | LUV |
| 9 | 0.5 | BU/GY | 433 | Barometric Pressure Sensor Signal | I | LUV |
| 10 | 0.5 | YE/WH | 1161 | Accelerator Pedal Position Signal 1 | I | LUV |
| 11 | 0.5 | GN | 1533 | Turbo Boost Pressure Sensor Signal | I | LUV |
| 12 | 0.5 | GN | 380 | A/C Refrigerant Pressure Sensor Signal | I | - |
| 13 | 0.5 | BK/BN | 5514 | A/C Refrigerant Pressure Sensor Low Reference | I | LUV+C60 |
| 14 - 15 | - | - | - | Not Occupied | - | - |
| 16 | 0.5 | BN/RD | 1274 | Accelerator Pedal Position 5V Reference 2 | I | LUV |
| 17 | - | - | - | Not Occupied | - | - |
| 18 | 0.5 | VT/YE | 5985 | Accessory Wakeup Serial Data | I | - |
| 19 | 0.5 | VT/GY | 139 | Run/Crank Ignition 1 Voltage | I | LUV |
| 20 | 0.75 | RD/WH | 140 | Battery Positive Voltage | I | LUV |
| 21 - 22 | - | - | - | Not Occupied | - | - |
| 23 | 0.5 | WH/RD | 2932 | Barometric Pressure Sensor 5V Reference | I | LUV |
| 24 | 0.5 | WH/RD | 1164 | Accelerator Pedal Position 5V Reference 1 | I | LUV |
| 25 | 0.5 | BN/RD | 5639 | Turbo Boost Pressure Sensor 5V Reference | I | LUV |
| 26 | 0.5 | BN/RD | 2700 | A/C Pressure Sensor 5V Reference | I | LUV+C60 |
| 27 | 0.5 | YE | 447 | Starter Relay Coil Control | I | LUV |
| 28 | 0.5 | GN/GY | 465 | Fuel Pump Primary Relay Control | I | LUV |
| 29 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data (+) 1 | I | - |
| 30 | 0.5 | BK/VT | 1272 | Accelerator Pedal Position Low Reference 2 | I | LUV |
| 31 | 0.5 | BK/VT | 2760 | Intake Air Temperature Sensor Low Reference | I | LUV |
| 32 | 0.5 | BK/BU | 6813 | Coolant Temperature Sensor 2 Low Reference | I | LUV |
| 33 | 0.5 | WH/BU | 6311 | Cruise/ETC/TCC Brake Signal | I | - |
| 34 | 0.5 | WH/GY | 1786 | Transmission Park/Neutral Signal 1 | I | LUV+MM1 |
| 35 - 37 | - | - | - | Not Occupied | - | - |
| 38 | 0.5 | BK/BU | 1271 | Accelerator Pedal Position Low Reference 1 | I | LUV |
| 39 | 0.5 | BK/GN | 5638 | Turbo Boost Pressure Sensor Low Reference | I | LUV |
| 40 | 0.5 | YE | 5991 | Powertrain Relay Coil Control | I | LUV |
| 41 | 0.5 | VT/BU | 5294 | Powertrain Main Relay Fused Supply 5 | I | LUV |
| 42 | - | - | - | Not Occupied | - | - |
| 43 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data (-) 1 | I | - |
| 44 | - | - | - | Not Occupied | - | - |
| 45 | 0.5 | BN/VT | 472 | Intake Air Temperature Sensor Signal | I | LUV |
| 46 | 0.5 | YE/BK | 3000 | Coolant Temperature Sensor 2 Signal | I | LUV |
| 47 | 0.5 | BU/WH | 25 | Charge Indicator Control | I | LUV |
| 48 - 51 | - | - | - | Not Occupied | - | - |
| 52 | 0.5 | BN/WH | 419 | Check Engine Indicator Control | I | LUV |
| 53 | 0.5 | WH/GY | 459 | A/C Compressor Clutch Relay Control | I | LUV+C60 |
| 54 | 0.5 | BN/YE | 473 | High Speed Cooling Fan Relay Control | I | LUV |
| 55 | - | - | - | Not Occupied | - | - |
| 56 | 0.5 | WH | 1310 | EVAP Canister Vent Solenoid Control | I | LUV |
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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.