K20 Engine Control Module X1 (L8T)
WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. 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 |
| III | Not required | No Tool Required | No Tool Required |
| 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 GMLAN Serial Data [-] 7 | II | - |
| 4 - 5 | - | - | - | Not Occupied | - | - |
| 6 | 0.5 | WH/BU | 6311 | Cruise/ETC/TCC Brake Signal | II | - |
| 7 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data [-] 1 | II | - |
| 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 GMLAN Serial Data [+] 7 | II | - |
| 14 | 0.5 | WH/GN | 5380 | Brake Position Sensor Signal | II | - |
| 15 | - | - | - | Not Occupied | - | - |
| 16 | 0.5 | WH/GY | 1786 | Transmission Park/Neutral Signal 1 | II | - |
| 17 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data [+] 1 | II | - |
| 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 | 0.5 | YE/BU | 1465 | Secondary Fuel Pump Relay Control | II | - |
| 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 - 27 | - | - | - | Not Occupied | - | - |
| 28 | 0.5 | BN/GN | 1174 | Oil Level Switch Signal | II | - |
| 29 | - | - | - | Not Occupied | - | - |
| 30 | 0.5 | BK/VT | 1272 | Accelerator Pedal Position Low Reference 2 | II | - |
| 31 | - | - | - | Not Occupied | - | - |
| 32 | 0.75 | 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/BN | 440 | Battery Positive Voltage | II | - |
| 35 | - | - | - | Not Occupied | - | - |
| 36 | 0.5 | YE/BK | 625 | Starter Enable 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 |
BU/RD YE |
460 4063 |
Engine Control Sensors 5 Volt Reference 1 Hood Status A Signal |
III II |
- - |
| 47 | 0.5 | VT/GN | 439 | Run/Crank Ignition 1 Voltage | II | - |
| 48 | 0.75 | VT/BU | 5290 | Powertrain Main Relay Fused Supply Voltage 1 | II | - |
| 49 | 2 | VT/BU | 5290 | Powertrain Main Relay Fused Supply Voltage 1 | I | - |