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.
SYS.OK|MANUAL.DB● LIVE
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 X1 (LEA)
2013 Buick Regal Turbo Premium, Standard Trans
K20 Engine Control Module X1 (LEA)
2013 Buick Regal Turbo Premium, Standard TransSECTION K20 Engine Control Module X1 (LEA)
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
|
Terminal Part Information
|
K20 Engine Control Module X1 (LEA)
| Pin | Size | Color | Circuit | Function | Option |
|---|---|---|---|---|---|
| 1-3 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 4-5 | - | - | - | Not Used | - |
| 6 | 0.5 | L-GN | 380 | A/C Refrigerant Pressure Sensor Signal | - |
| 7-8 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 9 | 0.5 | D-BU/WH | 890 | Fuel Tank Pressure Sensor Signal | - |
| 10 | 0.5 | YE/RD | 2709 | 5-Volt Reference 1 | - |
| 11-13 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 14 | 0.5 | WH/RD | 1164 | 5-Volt Reference 4 | - |
| 15 | 0.5 | YE/WH | 1161 | Accelerator Pedal Position Signal (1) | - |
| 16-19 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 20 | - | - | - | Not Used | - |
| 21 | 0.5 | BN/RD | 2700 | 5-Volt Reference 1 | - |
| 22 | 0.5 | BK/BN | 5514 | Low Reference | - |
| 23-24 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 25 | 0.5 | D-BU/L-GN | 1936 | Primary Fuel Level Sensor Signal | - |
| 26 | 0.5 | BK/L-GN | 6281 | Low Reference | - |
| 27 | - | - | - | Not Used | - |
| 28-29 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 30 | 0.5 | BK/D-BU | 1271 | Low Reference | - |
| 31-32 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 33 | 0.5 | BN/RD | 1274 | 5-Volt Reference 3 | - |
| 34 | 0.5 | L-GN/WH | 1162 | Accelerator Pedal Position Signal (2) | - |
| 35-38 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 39 | 0.5 | D-BU | 2500 | High Speed GMLAN Serial Data (+) (1) | - |
| 40 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data (-) (1) | - |
| 41 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 42 | 0.5 | BN/YE | 473 | High Speed Cooling Fan Relay Control | - |
| 43 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 44 | 0.5 | L-GN/GY | 465 | Fuel Pump Primary Relay Control | - |
| 45 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 46 | 0.5 | BN/WH | 419 | Check Engine Indicator Control | - |
| 47-50 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 51 | 0.5 | VT/L-GN | 439 | Run/Crank Ignition 1 Voltage | - |
| 52 | 0.75 | RD/BN | 440 | Battery Positive Voltage | - |
| 53 | 0.5 | BK/VT | 1272 | Low Reference | - |
| 54 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 55 | - | - | - | Not Available | without NU6 |
| 0.5 | L-GN/D-BU | 436 | Air Injection Reaction Pump Relay Coil Control | NU6 | |
| 56 | - | - | - | Not Available | without NU6 |
| 0.5 | D-BU/BK | 421 | Air Injection Reaction Solenoid Relay Coil Control | NU6 | |
| 57 | 0.5 | WH/D-BU | 6311 | Cruise/ETC/TCC Brake Signal | - |
| 58 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 59 | 0.5 | L-GN/VT | 335 | Low Speed Cooling Fan Relay Control | - |
| 60-61 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 62 | 0.75 | VT/D-BU | 5291 | Powertrain Main Relay Fused Supply (2) | - |
| 63 | 0.5 | VT/GY | 6386 | Starter Enable Relay (PPEI 3) Control | - |
| 64-65 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 66 | 0.5 | WH | 1310 | EVAP Canister Vent Solenoid Control | - |
| 67 | - | - | - | Not Used | - |
| 68-69 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 70 | 0.5 | VT/YE | 5985 | Accessory Wakeup Serial Data | - |
| 71 | - | - | - | Not Available | without NU6 |
| - | - | - | Not Used | NU6 | |
| 72 | 0.5 | YE | 5991 | Powertrain Relay Coil Control | - |
| 73 | 1 | VT/D-BU | 5290 | Ignition 1 Voltage | - |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.