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 (LHU)
2013 Buick Regal Turbo Premium, Standard Trans
K20 Engine Control Module X2 (LHU)
2013 Buick Regal Turbo Premium, Standard TransSECTION K20 Engine Control Module X2 (LHU)
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 (LHU)
| Pin | Size | Color | Circuit | Function | Option |
|---|---|---|---|---|---|
| 1-2 | - | - | - | Not Used | - |
| 3 | 0.5 | WH | 808 | Low Reference | - |
| 4 | - | - | - | Not Used | - |
| 5 | 0.5 | GY/WH | 3096 | 5 Volt Reference (MR6) | - |
| 6-7 | - | - | - | Not Used | - |
| 8 | 0.5 | GN | 3098 | Output Speed (Digital) Signal | MR6 |
| 9 | - | - | - | Not Used | - |
| 10 | 0.5 | VT/WH | 3110 | Heated Oxygen Sensor High Signal Bank 1 Sensor (1) | - |
| 11 | - | - | - | Not Used | - |
| 12 | 0.5 | VT | 3120 | Heated Oxygen Sensor High Signal Bank 1 Sensor (2) | - |
| 13-15 | - | - | - | Not Used | - |
| 16 | 0.5 | BN | 582 | Throttle Actuator Control Close | - |
| 17 | - | - | - | Not Used | - |
| 18 | 0.5 | GY | 598 | 5-Volt Reference | - |
| 19 | 0.5 | YE | 2918 | Fuel Rail Pressure Sensor Signal | - |
| 20 | - | - | - | Not Used | - |
| 21 | 0.5 | WH | 3097 | Low Reference | - |
| 22 | - | - | - | Not Used | - |
| 23 | 0.5 | GN | 24 | Backup Lamp Supply Voltage | MR6 |
| 24-25 | - | - | - | Not Used | - |
| 26 | 0.5 | WH | 3111 | Heated Oxygen Sensor Low Signal Bank 1 Sensor (1) | - |
| 27 | - | - | - | Not Used | - |
| 28 | 0.5 | WH | 3121 | Heated Oxygen Sensor Low Signal Bank 1 Sensor (2) | - |
| 29 | - | - | - | Not Used | - |
| 30 | 0.5 | GN | 3060 | Overrun Air Valve Solenoid | - |
| 31 | - | - | - | Not Used | - |
| 32 | 0.5 | YE | 581 | Throttle Actuator Control Open | - |
| 33 | 0.5 | GN | 485 | Throttle Position Sensor Signal (1) | - |
| 34 | 0.5 | GY | 2701 | 5-Volt Reference | - |
| 35 | 0.5 | VT | 486 | Throttle Position Sensor Signal (2) | - |
| 36 | 0.5 | BU | 496 | Knock Sensor Signal (1) | - |
| 37 | 0.5 | BU | 1876 | Knock Sensor Signal (2) | - |
| 38-40 | - | - | - | Not Used | - |
| 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 | GN | 432 | Manifold Absolute Pressure Sensor Signal | - |
| 44 | 0.5 | GY | 2704 | 5-Volt Reference | - |
| 45 | 0.5 | YE | 3054 | Barometric Pressure Sensor Signal | - |
| 46-48 | - | - | - | Not Used | - |
| 49 | 0.5 | BU | 6289 | Induction Air Temperature Sensor Signal | - |
| 50 | - | - | - | Not Used | - |
| 51 | 0.5 | GN/WH | 428 | EVAP Canister Purge Solenoid Control | - |
| 52 | 0.5 | YE | 492 | Mass Air Flow Sensor Signal | - |
| 53 | 0.5 | OG | 225 | Generator Turn On Signal | - |
| 54 | 0.5 | WH | 2752 | Low Reference | - |
| 55 | 0.5 | GY | 23 | Generator Field Duty Cycle Signal | - |
| 56 | 0.5 | GY | 1716 | Knock Sensor (1) | - |
| 57 | 0.5 | GY | 2303 | Knock Sensor (2) | - |
| 58 | 0.5 | OG/BK | 1786 | Transmission Park/Neutral Signal (1) | MDK |
| 59 | - | - | - | Not Used | - |
| 60 | 0.5 | BN | 1174 | Oil Level Switch Signal | - |
| 61-62 | - | - | - | Not Used | - |
| 63 | 0.5 | OG/BK | 469 | Low Reference | - |
| 64 | 0.5 | GY | 3053 | 5-Volt Reference | - |
| 65 | 0.5 | WH | 3052 | Low Reference | - |
| 66-68 | - | - | - | Not Used | - |
| 69 | 0.5 | WH | 2760 | Low Reference | - |
| 70 | - | - | - | Not Used | - |
| 71 | 0.5 | YE | 3058 | Waste Gate Solenoid Control | - |
| 72 | - | - | - | Not Used | - |
| 73 | 2.5 | BK/WH | 151 | Ground | - |
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.