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 MANUALSCHEVROLET2025EQUINOX ACTIV, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 128 (COMPONENT CONNECTOR END VIEWS (E43R - K20))COMPONENT CONNECTOR END VIEWSK20 ENGINE CONTROL MODULE X1
2025 Chevrolet Equinox ACTIV, 4WD
K20 Engine Control Module X1
2025 Chevrolet Equinox ACTIV, 4WDSECTION K20 Engine Control Module X1
WARNING: This page is about a different car, the 2024 GMC Terrain and 2024 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | 13587518 | J-35616-35 (VT) | J-38125-11A |
| II | 19351723 | J-35616-64B (L-BU) | J-38125-213 |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | GN / WH | 492 | Mass Air Flow Sensor Signal | II | |
| 2 | - | - | - | Not Occupied | - | - |
| 3 | 0.5 | WH | 4499 | High Speed GM LAN Serial Data [-] 7 | II | (NUG/NTB) |
| 4 | - | - | - | Not Occupied | - | - |
| 5 | 0.5 0.5 |
WH WH |
7494 7494 |
High Speed GM LAN Serial Data [-] 3 High Speed GM LAN Serial Data [-] 3 |
II II |
(NUG/NTB)-EPH EPH(NUG/NTB) |
| 6 | 0.5 | WH / BU | 6311 | Cruise/ETC/TCC Brake Signal | II | |
| 7 | 0.5 0.5 |
WH WH |
2501 2501 |
High Speed GM LAN Serial Data [-] 1 High Speed GM LAN Serial Data [-] 1 |
II II |
M3U MNH |
| 8 | 0.5 | BN / WH | 419 | Check Engine Indicator Control | II | |
| 9 | 0.5 | YE | 5991 | Powertrain Relay Coil Control | II | |
| 10 - 11 | - | - | - | Not Occupied | - | - |
| 12 | 0.5 | BU / GY | 636 | Ambient Air Temperature Sensor Signal | II | |
| 13 | 0.5 | BU / BN | 4498 | High Speed GM LAN Serial Data [+] 7 | II | (NUG/NTB) |
| 14 | 0.5 | WH / GN | 5380 | Brake Position Sensor Signal | II | |
| 15 | 0.5 0.5 |
BU / BK BU / BK |
7493 7493 |
High Speed GM LAN Serial Data [+] 3 High Speed GM LAN Serial Data [+] 3 |
II II |
(NUG/NTB)-EPH EPH(NUG/NTB) |
| 16 | 0.5 | WH / GY | 1786 | Transmission Park/Neutral Signal 1 | II | MNH |
| 17 | 0.5 0.5 |
BU BU |
2500 2500 |
High Speed GM LAN Serial Data [+] 1 High Speed GM LAN Serial Data [+] 1 |
II II |
M3U MNH |
| 18 | 0.5 | WH / GY | 459 | Air Conditioning Compressor Clutch Relay Control | II | |
| 19 - 20 | - | - | - | Not Occupied | - | - |
| 21 | 0.5 | GN / BU | 428 | EVAP Canister Purge Solenoid Control | II | |
| 22 | - | - | - | Not Occupied | - | - |
| 23 | 0.5 | BK / GN | 580 | Engine Control Sensors Low Reference 2 | II | |
| 24 | 0.5 | BK / BU | 1271 | Accelerator Pedal Position Low Reference 1 | II | |
| 25 - 29 | - | - | - | Not Occupied | - | - |
| 30 | 0.5 | BK / VT | 1272 | Accelerator Pedal Position Low Reference 2 | II | |
| 31 | - | - | - | Not Occupied | - | - |
| 32 | 0.5 | VT / BU | 5291 | Powertrain Main Relay Fused Supply Voltage 2 | II | |
| 33 | 0.5 | VT / YE | 5985 | Accessory Wake-Up Serial Data | II | |
| 34 | 0.5 | RD / WH | 140 | Battery Positive Voltage | II | |
| 35 | - | - | - | Not Occupied | - | - |
| 36 | 0.5 | YE / VT | 4325 | Starter Pinion Solenoid Actuator Relay Control | II | |
| 37 | 0.5 | GN / GY | 465 | Fuel Pump Primary Relay Control | II | |
| 38 | 0.5 | WH / RD | 1164 | Accelerator Pedal Position 5V Reference 1 | II | |
| 39 | 0.5 | YE / WH | 1161 | Accelerator Pedal Position Signal 1 | II | |
| 40 | 0.5 | YE / BN | 331 | Oil Pressure Sensor Signal | II | |
| 41 | 0.5 | GN | 380 | Air Conditioning Refrigerant Pressure Sensor Signal | II | |
| 42 - 43 | - | - | - | Not Occupied | - | - |
| 44 | 0.5 | GN / WH | 1162 | Accelerator Pedal Position Signal 2 | II | |
| 45 | 0.5 | BN / RD | 1274 | Accelerator Pedal Position 5V Reference 2 | II | |
| 46 | 0.5 | YE | 5530 | Hood Open Switch Signal | II | |
| 47 | 0.5 | VT / GN | 439 | Run/Crank Ignition 1 Voltage | II | |
| 48 | 0.5 | VT | 5292 | Powertrain Main Relay Fused Supply Voltage 3 | II | |
| 49 | 2 | VT / BU | 5290 | Powertrain Main Relay Fused Supply Voltage 1 | 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.