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 DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - F106RR TO K20 (LDK)COMPONENT CONNECTOR END VIEWSK20 ENGINE CONTROL MODULE X1 (LAF)
2013 Buick Regal Turbo Premium, Standard Trans
K20 Engine Control Module X1 (LAF)
2013 Buick Regal Turbo Premium, Standard TransSECTION K20 Engine Control Module X1 (LAF)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | 13575575 | J-35616-64B (L-BU) | J-38125-213 |
| II | 13575797 | J-35616-35 (VT) | J-38125-12A |
K20 Engine Control Module X1 (LAF)
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1-5 | - | - | - | Not Occupied | - | - |
| 6 | 0.5 | L-GN | 380 | A/C Refrigerant Pressure Sensor Signal | I | - |
| 7-8 | - | - | - | Not Occupied | - | - |
| 9 | 0.5 | D-BU/WH | 890 | Fuel Tank Pressure Sensor Signal | I | - |
| 10 | 0.5 | YE/RD | 2709 | 5-Volt 1 Reference | I | - |
| 11-13 | - | - | - | Not Occupied | - | - |
| 14 | 0.5 | WH/RD | 1164 | 5-Volt 4 Reference | I | - |
| 15 | 0.5 | YE/WH | 1161 | APP Sensor 1 Signal | I | - |
| 16-20 | - | - | - | Not Occupied | - | - |
| 21 | 0.5 | BN/RD | 2700 | 5-Volt 1 Reference | I | - |
| 22 | 0.5 | BK/BN | 5514 | Low Reference | I | - |
| 23-24 | - | - | - | Not Occupied | - | - |
| 25 | 0.5 | D-BU/L-GN | 1936 | Fuel Level Sensor Signal | I | - |
| 26 | 0.5 | BK/L-GN | 6281 | Sensor Low Reference | I | - |
| 27-29 | - | - | - | Not Occupied | - | - |
| 30 | 0.5 | BK/D-BU | 1271 | Low Reference | I | - |
| 31-32 | - | - | - | Not Occupied | - | - |
| 33 | 0.5 | BN/RD | 1274 | 5-Volt 3 Reference | I | - |
| 34 | 0.5 | L-GN/WH | 1162 | APP Sensor 2 Signal | I | - |
| 35-38 | - | - | - | Not Occupied | - | - |
| 39 | 0.5 | D-BU | 2500 | High Speed GMLAN Serial Data Bus + | I | - |
| 40 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data Bus - | I | - |
| 41 | - | - | - | Not Occupied | - | - |
| 42 | 0.5 | BN/YE | 473 | High Speed Cooling Fan Relay Control | I | - |
| 43 | - | - | - | Not Occupied | - | - |
| 44 | 0.5 | L-GN/GY | 465 | Fuel Pump Relay Control | I | - |
| 45 | - | - | - | Not Occupied | - | - |
| 46 | 0.5 | BN/WH | 419 | MIL Control | I | - |
| 47-50 | - | - | - | Not Occupied | - | - |
| 51 | 0.5 | VT/L-GN | 439 | Ignition Voltage | I | - |
| 52 | 0.5 | RD/BN | 440 | Battery Positive Voltage | I | - |
| 53 | 0.5 | BK/VT | 1272 | Low Reference | I | - |
| 54-56 | - | - | - | Not Occupied | - | - |
| 57 | 0.5 | WH/D-BU | 6311 | Brake Pedal Switch Signal | I | - |
| 58 | - | - | - | Not Occupied | - | - |
| 59 | 0.5 | L-GN/VT | 335 | Low Speed Cooling Fan Relay Control | I | - |
| 60-61 | - | - | - | Not Occupied | - | - |
| 62 | 0.75 | VT/D-BU | 5291 | Ignition Voltage | I | - |
| 63 | 0.5 | VT/GY | 6386 | Starter Relay Control | I | - |
| 64-65 | - | - | - | Not Occupied | - | - |
| 66 | 0.5 | WH | 1310 | EVAP Canister Vent Solenoid Control | I | - |
| 67-69 | - | - | - | Not Occupied | - | - |
| 70 | 0.5 | VT/YE | 5985 | Serial Data Wake-Up Signal | I | - |
| 71 | - | - | - | Not Occupied | - | - |
| 72 | 0.5 | YE | 5991 | Powertrain Relay Control | I | - |
| 73 | 1 | VT/D-BU | 5290 | Ignition Voltage | II | - |
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.