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Home >> Buick >> 2022 >> Encore AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 85 (Component Connector End Views (K9 (X8)-K40D (X1))) >> Component Connector End Views >> K20 Engine Control Module X2
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K20 Engine Control Module X2

WARNING: This page is about a different car, the 2022 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
GM4690378Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type:Engine Wiring Harness
  • OEM Connector: 12672839
  • Service Connector: 19366869
  • Description: 49-Way F 0.64, 2.8 Series, Sealed (BK with BK Terminal Position Assurance)
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-38125-215A
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 VT / GN 4320 Powertrain Sensor Bus Enable II  
2 0.5 BU / RD 460 Engine Control Sensors 5 Volt Reference 1 II  
3 - 4 - - - Not Occupied - -
5 0.5 BN / BU 2447 Evaporative Purge Pump Pressure Signal II  
6 - 8 - - - Not Occupied - -
9 0.75 VT / BU 5294 Powertrain Main Relay Fused Supply Voltage 5 II  
10 0.5 BU / GY 2978 Coolant Diverter Valve Position Signal II  
11 - - - Not Occupied - -
12 0.5 BK / GN 580 Engine Control Sensors Low Reference 2 II  
13 - 15 - - - Not Occupied - -
16 0.5 YE / BN 331 Oil Pressure Sensor Signal II  
17 - 18 - - - Not Occupied - -
19 0.5 BU / WH 2918 Fuel Rail Pressure Sensor Signal II  
20 0.5 WH 2590 Turbocharger Wastegate Motor Feedback Signal II  
21 - - - Not Occupied - -
22 0.5 BK / GY 626 Engine Control Vehicle Sensors Low Reference 1 II  
23 0.5 VT 7485 Engine Oil Temperature Sensor 2 Signal II  
24 0.5 BN / BU 357 Oil Temperature Sensor Signal II  
25 0.5 YE / WH 3200 Throttle Inlet Absolute Pressure Sensor Signal II  
26 - 28 - - - Not Occupied - -
29 0.5 YE / GY 3926 Crankcase Differential Pressure Sensor Signal II  
30 - - - Not Occupied - -
31 0.5 YE / GY 6936 HO2S Signal II  
32 0.5 BN 6934 HO2S Ground II  
33 - - - Not Occupied - -
34 0.5 GY / WH 3113 HO2S Heater Low Control Bank 1 Sensor 1 II  
35 - - - Not Occupied - -
36 0.5 WH / RD 480 Engine Control Vehicle Sensors 5 Volt Reference 1 II  
37 0.5 YE / BK 3000 Coolant Temperature Sensor 2 Signal II  
38 - 39 - - - Not Occupied - -
40 0.5 GY / VT 2404 Engine Block Coolant Temperature Signal II  
41 - 44 - - - Not Occupied - -
45 0.5 GN 6935 HO2S Pump Current Trim Signal II  
46 0.5 BN / WH 6933 HO2S Pump Current Signal II  
47 0.5 GN / VT 4621 Engine Control Module LIN Bus 1 II  
48 0.5 GN / WH 4622 Engine Control Module LIN Bus 2 II  
49 2.5 BK / WH 1651 Signal Ground I