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 MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 239 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - G14 THROUGH K71 TCM X2)COMPONENT CONNECTOR END VIEWSK20 ENGINE CONTROL MODULE X2 (LUK WITH NU6)
2013 Buick Regal Turbo Premium, Standard Trans
K20 Engine Control Module X2 (LUK with NU6)
2013 Buick Regal Turbo Premium, Standard TransSECTION K20 Engine Control Module X2 (LUK with NU6)
WARNING: This page is about a different car, the 2012 Buick Regal. 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
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K20 Engine Control Module X2 (LUK with NU6)
| Pin | Size | Color | Circuit | Function | Option |
|---|---|---|---|---|---|
| 1 | 0.5 | WH/BN | 6331 | Air Injection Reaction Pump Pressure Sensor Signal | NU6 |
| 2 | 0.5 | WH/BN | 6452 | Air Injection Reaction Pump Sensor Supply Voltage | NU6 |
| 3 | 0.5 | BK/D-BU | 808 | Sensor Low Reference | - |
| 4-9 | - | - | - | Not Available | - |
| 10 | 0.5 | VT/GY | 3110 | Heated Oxygen Sensor High Signal Bank 1 Sensor (1) | - |
| 11 | - | - | - | Not Available | - |
| 12 | 0.5 | VT/D-BU | 3120 | Heated Oxygen Sensor High Signal Bank 1 Sensor (2) | - |
| 13-15 | - | - | - | Not Available | - |
| 16 | 0.5 | BN/WH | 582 | Throttle Actuator Control Close | - |
| 17 | 0.5 | BK/D-BU | 6785 | Air Injection Reaction Control Valve #1 Low Reference | NU6 |
| 18 | 0.5 | GY/RD | 598 | 5-Volt Reference 1 | - |
| 19 | 0.5 | D-BU/WH | 2918 | Fuel Rail Pressure Sensor Signal | - |
| 20-25 | - | - | - | Not Available | - |
| 26 | 0.5 | WH/BK | 3111 | Heated Oxygen Sensor Low Signal Bank 1 Sensor (1) | - |
| 27 | - | - | - | Not Available | - |
| 28 | 0.5 | WH/YE | 3121 | Heated Oxygen Sensor Low Signal Bank 1 Sensor (2) | - |
| 29-31 | - | - | - | Not Available | - |
| 32 | 0.5 | YE | 581 | Throttle Actuator Control Open | - |
| 33 | 0.5 | BN/L-GN | 485 | Throttle Position Sensor Signal (1) | - |
| 34 | 0.5 | BN/RD | 2701 | Throttle Position Sensor 5-Volt Reference 4 | - |
| 35 | 0.5 | BN/D-BU | 486 | Throttle Position Sensor Signal (2) | - |
| 36 | 0.5 | VT/GY | 496 | Knock Sensor Signal (1) | - |
| 37-40 | - | - | - | Not Available | - |
| 41 | 0.5 | GY/WH | 3113 | Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (1) | - |
| 42 | 0.5 | GY/WH | 3122 | Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (2) | - |
| 43 | 0.5 | L-GN/WH | 432 | Manifold Absolute Pressure Sensor Signal | - |
| 44 | 0.5 | GY/RD | 2704 | Manifold Absolute Pressure Sensor 5-Volt Reference 3 | - |
| 45-48 | - | - | - | Not Available | - |
| 49 | 0.5 | WH/D-BU | 6289 | Induction Air Temperature Sensor Signal | - |
| 50 | - | - | - | Not Available | - |
| 51 | 0.5 | L-GN/D-BU | 428 | EVAP Canister Purge Solenoid Control | - |
| 52 | 0.5 | L-GN/WH | 492 | Mass Air Flow Sensor Signal | - |
| 53 | 0.5 | BN | 25 | Charge Indicator Control | - |
| 54 | 0.5 | BK/BN | 2752 | Throttle Position Sensor Low Reference | - |
| 55 | 0.5 | GY | 23 | Generator Field Duty Cycle Signal | - |
| 56 | 0.5 | BK/YE | 1716 | Knock Sensor Low Reference (1) | - |
| 57 | - | - | - | Not Available | - |
| 58 | 0.5 | WH/GY | 1786 | Transmission Park/Neutral Signal (1) | - |
| 59-62 | - | - | - | Not Available | - |
| 63 | 0.5 | BK/L-GN | 469 | Manifold Absolute Pressure Sensor Low Reference | - |
| 64-68 | - | - | - | Not Available | - |
| 69 | 0.5 | BK/VT | 2760 | Intake Air Temperature Sensor Low Reference | - |
| 70-72 | - | - | - | Not Available | - |
| 73 | 1.5 | BK/WH | 451 | Signal Ground | - |
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.