K20 Engine Control Module X2 (LSY)
WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness Type: Engine Wiring Harness
- OEM Connector: 12672838
- Service Connector: 19355678
- Description: 49-Way F 0.64, 2.8 Series, Sealed (BK with BK Terminal Position Assurance)
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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 |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
VT/GN |
4320 |
Powertrain Sensor Bus Enable |
II |
LSY |
| 2 |
0.75 |
BU/RD |
460 |
Engine Control Sensors 5 Volt Reference 1 |
II |
LSY |
| 3 - 4 |
- |
- |
- |
Not Occupied |
- |
- |
| 5 |
0.5 |
BN/BU |
2447 |
Evaporative Purge Pump Pressure Signal |
II |
LSY |
| 6 - 8 |
- |
- |
- |
Not Occupied |
- |
- |
| 9 |
0.75 |
VT/BU |
5294 |
Powertrain Main Relay Fused Supply Voltage 5 |
II |
LSY |
| 10 |
0.5 |
BU/GY |
2978 |
Coolant Diverter Valve Position Signal |
II |
LSY |
| 11 |
- |
- |
- |
Not Occupied |
- |
- |
| 12 |
0.5 |
BK/GN |
580 |
Engine Control Sensors Low Reference 2 |
II |
LSY |
| 13 - 15 |
- |
- |
- |
Not Occupied |
- |
- |
| 16 |
0.5 |
YE/BN |
331 |
Oil Pressure Sensor Signal |
II |
LSY |
| 17 |
0.5 |
WH/VT |
4108 |
Driver Mode Switch Signal |
II |
LSY |
| 18 |
- |
- |
- |
Not Occupied |
- |
- |
| 19 |
0.75 |
BU/WH |
2918 |
Fuel Rail Pressure Sensor Signal |
II |
LSY |
| 20 |
0.5 |
WH |
2590 |
Turbocharger Wastegate Motor Feedback Signal |
II |
LSY |
| 21 |
- |
- |
- |
Not Occupied |
- |
- |
| 22 |
0.5 |
BK/GY |
626 |
Engine Control Vehicle Sensors Low Reference 1 |
II |
LSY |
| 23 |
0.5 |
VT |
7485 |
Engine Oil Temperature Sensor 2 Signal |
II |
LSY |
| 24 |
0.5 |
BN/BU |
357 |
Oil Temperature Sensor Signal |
II |
LSY |
| 25 |
0.5 |
YE |
3054 |
Turbocharger Intake Pressure Sensor Signal Bank 1 |
II |
LSY |
| 26 - 28 |
- |
- |
- |
Not Occupied |
- |
- |
| 29 |
0.5 |
BK/GY |
936 |
Crankcase Pressure Sensor Signal |
II |
LSY |
| 30 |
- |
- |
- |
Not Occupied |
- |
- |
| 31 |
0.5 |
YE/GY |
6936 |
HO2S Signal |
II |
LSY |
| 32 |
0.5 |
BN |
6934 |
HO2S Ground |
II |
LSY |
| 33 |
- |
- |
- |
Not Occupied |
- |
- |
| 34 |
0.75 |
GY/WH |
3113 |
HO2S Heater Low Control Bank 1 Sensor 1 |
II |
LSY |
| 35 |
- |
- |
- |
Not Occupied |
- |
- |
| 36 |
0.5 |
WH/RD |
480 |
Engine Control Vehicle Sensors 5 Volt Reference 1 |
II |
LSY |
| 37 |
0.5 |
YE/BK |
3000 |
Coolant Temperature Sensor 2 Signal |
II |
LSY |
| 38 |
0.5 |
BN/GY |
4644 |
Heater Core Inlet Temperature Signal |
II |
LSY |
| 39 |
- |
- |
- |
Not Occupied |
- |
- |
| 40 |
0.5 |
GY/VT |
2404 |
Engine Block Coolant Temperature Signal |
II |
LSY |
| 41 - 44 |
- |
- |
- |
Not Occupied |
- |
- |
| 45 |
0.5 |
GN |
6935 |
HO2S Pump Current Trim Signal |
II |
LSY |
| 46 |
0.5 |
BN/WH |
6933 |
HO2S Pump Current Signal |
II |
LSY |
| 47 |
0.5 |
GN/VT |
4621 |
Engine Control Module LIN Bus 1 |
II |
LSY |
| 48 |
0.75 |
GN/WH |
4622 |
Engine Control Module LIN Bus 2 |
II |
LSY |
| 49 |
2 |
BK/WH |
451 |
Signal Ground |
I |
LSY |