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.
K20 Engine Control Module X3 (LTG)
2018 Chevrolet Traverse LS, 4WDSECTION K20 Engine Control Module X3 (LTG)
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 | 13579770 | J-35616-4A (PU) | J-38125-11A | Not Available | Not Available | Not Available | Not Available |
| II | 19330179 | J-35616-64B (LT BU) | J-38125-12A | Not Available | Not Available | Not Available | Not Available |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | GY/WH | 3113 | Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 1 | II | - |
| 2 - 3 | - | - | - | Not Occupied | - | - |
| 4 | 0.5 | GN/BU | 428 | EVAP Canister Purge Solenoid Control | II | - |
| 5 | - | - | - | Not Occupied | - | - |
| 6 | 0.5 | BN/RD | 2917 | Fuel Rail Pressure Sensor 5V Reference | II | - |
| 7 | - | - | - | Not Occupied | - | - |
| 8 | 0.5 | YE/RD | 2709 | Fuel Tank Pressure Sensor 5V Reference | II | - |
| 9 - 13 | - | - | - | Not Occupied | - | - |
| 14 | 0.5 | GY/RD | 7331 | Pre Throttle Air Temp and Press (TMAP) 5V Reference | II | - |
| 15 | 0.5 | YE/RD | 6031 | Brake Vacuum Sensor 5V Reference | II | - |
| 16 | 0.5 | VT/BU | 5294 | Powertrain Main Relay Fused Supply 5 | II | - |
| 17 | - | - | - | Not Occupied | - | - |
| 18 | 0.5 | BN | 25 | Charge Indicator Control | II | - |
| 19 | 0.5 | GY | 23 | Generator Field Duty Cycle Signal | II | - |
| 20 | 0.5 | BK/WH | 2151 | Signal Ground | II | - |
| 21 | 0.5 | BU/WH | 2918 | Fuel Rail Pressure Sensor Signal | II | - |
| 22 | 0.5 | BK/GN | 2919 | Fuel Rail Pressure Sensor Low Reference | II | - |
| 23 - 29 | - | - | - | Not Occupied | - | - |
| 30 | 0.5 | BK/VT | 7332 | Pre Throttle Air Temp and Press (TMAP) Low Reference | II | - |
| 31 - 34 | - | - | - | Not Occupied | - | - |
| 35 | 0.5 | GN | 6935 | Heated Oxygen Sensor Current Adjust Signal | II | - |
| 36 | 0.5 | YE/GY | 6936 | Heated Oxygen Sensor Collector Signal | II | - |
| 37 | 0.5 | BN/WH | 6933 | Heated Oxygen Sensor Current Pump Signal | II | - |
| 38 | 0.5 | BN | 6934 | Heated Oxygen Sensor Ground | II | - |
| 39 | - | - | - | Not Occupied | - | - |
| 40 | 0.5 | GN/WH | 432 | Manifold Absolute Pressure Sensor Signal | II | - |
| 41 | 0.5 | BN/GN | 1174 | Oil Level Switch Signal | II | - |
| 42 | - | - | - | Not Occupied | - | - |
| 43 | 0.5 | BU/VT | 1589 | Primary Fuel Level Sensor Signal | II | - |
| 44 - 45 | - | - | - | Not Occupied | - | - |
| 46 | 0.5 | VT/BU | 7330 | Pre Throttle Air Temp and Press (TMAP) Air Pressure Signal | II | - |
| 47 | 0.5 | WH/BU | 7329 | Pre-Throttle Air Temp and Press (TMAP) Temperature Signal | II | - |
| 48 | 0.5 | YE | 3054 | Turbo Intake Pressure Sensor Signal Bank 1 | II | - |
| 49 - 51 | - | - | - | Not Occupied | - | - |
| 52 | 0.5 | VT/BK | 7300 | High Pressure Fuel Pump Actuator Low - Control | II | - |
| 53 - 54 | - | - | - | Not Occupied | - | - |
| 55 | 0.5 | GN/VT | 4621 | Local Interconnect Network Serial Data Bus 21 | II | - |
| 56 - 58 | - | - | - | Not Occupied | - | - |
| 59 | 0.5 | BK/GY | 2303 | Knock Sensor Low Reference 2 | II | - |
| 60 | 0.5 | WH/GY | 1876 | Knock Sensor Signal 2 | II | - |
| 61 | 0.5 | BK/YE | 1716 | Knock Sensor Low Reference 1 | II | - |
| 62 | 0.5 | VT/GY | 496 | Knock Sensor Signal 1 | II | - |
| 63 - 67 | - | - | - | Not Occupied | - | - |
| 68 | 0.5 | BU/WH | 890 | Fuel Tank Pressure Sensor Signal | II | - |
| 69 - 71 | - | - | - | Not Occupied | - | - |
| 72 | 0.5 | YE | 7301 | High Pressure Fuel Pump Actuator High - Control | II | - |
| 73 | 1.5 | BK/WH | 451 | Signal Ground | I | - |
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.