K20 Engine Control Module X2 (LT4)
WARNING: This page is about a different car, the 2022 Cadillac CT5. 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: 35509696
- Service Connector: 13574947
- Description: 73-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 |
19354746 |
J-35616-64B (L-BU) |
J-38125-215A |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
GN/YE |
3212 |
HO2S Heater Low Control Bank 2 Sensor 1 |
II |
- |
| 2 |
- |
- |
- |
Not Occupied |
- |
- |
| 3 |
0.5 |
BK/YE |
548 |
Engine Control Sensors Low Reference 1 |
II |
- |
| 4 - 5 |
- |
- |
- |
Not Occupied |
- |
- |
| 6 |
0.5 |
BU/WH |
3338 |
Transmission Internal Mode Switch Mode Control X |
II |
- |
| 7 |
0.5 |
GN/WH |
4622 |
Engine Control Module LIN Bus 2 |
II |
- |
| 8 |
0.5 |
GN/VT |
4621 |
Engine Control Module LIN Bus 1 |
II |
- |
| 9 - 11 |
- |
- |
- |
Not Occupied |
- |
- |
| 12 |
0.5 |
YE/BU |
2124 |
Ignition Control 4 |
II |
- |
| 13 |
0.5 |
BN/BU |
2126 |
Ignition Control 6 |
II |
- |
| 14 - 16 |
- |
- |
- |
Not Occupied |
- |
- |
| 17 |
0.5 |
GY/WH |
3113 |
HO2S Heater Low Control Bank 1 Sensor 1 |
II |
- |
| 18 - 27 |
- |
- |
- |
Not Occupied |
- |
- |
| 28 |
0.5 |
GN/BU |
2123 |
Ignition Control 3 |
II |
- |
| 29 |
0.5 |
BU/GY |
2125 |
Ignition Control 5 |
II |
- |
| 30 |
0.5 |
BK/GY |
2130 |
Ignition Control Low Reference Bank 2 |
II |
- |
| 31 - 32 |
- |
- |
- |
Not Occupied |
- |
- |
| 33 |
0.5 |
WH/BN |
3223 |
HO2S Heater Low Control Bank 2 Sensor 2 |
II |
- |
| 34 |
- |
- |
- |
Not Occupied |
- |
- |
| 35 |
0.5 |
BU |
179 |
Engine Oil Pump Control |
II |
- |
| 36 |
- |
- |
- |
Not Occupied |
- |
- |
| 37 |
0.5 |
VT/BU |
5294 |
Powertrain Main Relay Fused Supply Voltage 5 |
II |
- |
| 38 |
0.5 |
BN/WH |
585 |
Transmission Fluid Temperature Sensor Signal |
II |
- |
| 39 |
0.5 |
WH/RD |
480 |
Engine Control Vehicle Sensors 5 Volt Reference 1 |
II |
- |
| 40 - 45 |
- |
- |
- |
Not Occupied |
- |
- |
| 46 |
0.5 |
YE/BU |
3221 |
HO2S Low Signal Bank 2 Sensor 2 |
II |
- |
| 47 |
0.5 |
VT/GN |
3220 |
HO2S High Signal Bank 2 Sensor 2 |
II |
- |
| 48 - 49 |
- |
- |
- |
Not Occupied |
- |
- |
| 50 |
0.5 |
BK/GY |
2303 |
Knock Sensor Low Reference 2 |
II |
- |
| 51 |
0.5 |
BK/YE |
1716 |
Knock Sensor Low Reference 1 |
II |
- |
| 52 |
0.5 |
BN/WH |
582 |
Throttle Actuator Close Control |
II |
- |
| 53 |
0.5 |
GY/WH |
3122 |
HO2S Heater Low Control Bank 1 Sensor 2 |
II |
- |
| 54 - 56 |
- |
- |
- |
Not Occupied |
- |
- |
| 57 |
0.5 |
YE/BU |
5494 |
Cylinder Deactivation Solenoid Valve Control 4 |
II |
- |
| 58 - 65 |
- |
- |
- |
Not Occupied |
- |
- |
| 66 |
0.5 |
WH/YE |
3121 |
HO2S Low Signal Bank 1 Sensor 2 |
II |
- |
| 67 |
0.5 |
VT/BU |
3120 |
HO2S High Signal Bank 1 Sensor 2 |
II |
- |
| 68 - 69 |
- |
- |
- |
Not Occupied |
- |
- |
| 70 |
0.5 |
WH/GY |
1876 |
Knock Sensor 2 Signal |
II |
- |
| 71 |
0.5 |
VT/GY |
496 |
Knock Sensor 1 Signal |
II |
- |
| 72 |
0.5 |
YE |
581 |
Throttle Actuator Open Control |
II |
- |
| 73 |
2 |
BK/WH |
6151 |
Engine Control Module Ground |
I |
- |