K20 Engine Control Module X1 (LV1)
WARNING: This page is about a different car, the 2023 GMC Savana 3500, 2023 GMC Savana 2500, 2023 Chevrolet Express 3500, and 2023 Chevrolet Express 2500. 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: 35500079
- Service Connector: 19368142
- Description: 49-Way F 0.64, 2.8 Series, Sealed (BK with BU 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 |
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 - 16 |
- |
- |
- |
Not Occupied |
- |
- |
| 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 |
- |
- |
- |
Not Occupied |
- |
- |
| 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 - 26 |
- |
- |
- |
Not Occupied |
- |
- |
| 27 |
0.5 |
GN/YE |
3337 |
Transmission Internal Mode Switch Mode Control Y |
II |
- |
| 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/GY |
1039 |
Run/Crank Ignition 1 Voltage |
II |
- |
| 33 |
0.5 |
VT/YE |
5985 |
Accessory Wake-Up Serial Data |
II |
- |
| 34 |
0.5 |
RD/WH |
140 |
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 |
- |
- |
- |
Not Occupied |
- |
- |
| 47 |
0.5 |
VT/GN |
439 |
Run/Crank Ignition 1 Voltage |
II |
- |
| 48 |
0.75 |
VT/BU |
5291 |
Powertrain Main Relay Fused Supply Voltage 2 |
II |
- |
| 49 |
2.5 |
VT/BU |
5290 |
Powertrain Main Relay Fused Supply Voltage 1 |
I |
- |