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K20 Engine Control Module X3 (LGX)

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
GM2533189Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type:Engine
  • OEM Connector: 34566-1403
  • Service Connector: 13574948
  • Description: 73 -Way F 0.64, 2.8 Series, Sealed (BK with GY Terminal Position Assurance)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I 135877518 J-35616-64B (LT BU) J-38125-215A
II 19351723 J-35616-35 (VT) J-38125-215A
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 GN 5492 Cylinder Shutoff Solenoid Control 2 I -
2 0.5 BU 5491 Cylinder Shutoff Solenoid Control 1 I -
3 0.5 GN / BN 5298 Camshaft Position Exhaust Sensor Control 2 I -
4 0.5 YE 5276 Camshaft Position Intake Sensor 2 I -
5 0.5 WH / BU 5302 Camshaft Position Intake Sensor Control 2 I -
6 0.5 VT / BU 6270 Crankshaft 60X Sensor 5V Reference I -
7 0.5 GN 6271 Crankshaft 60X Sensor Signal I -
8 0.5 BN / RD 2701 Throttle Position Sensor 5V Reference I -
9 0.5 VT / BU 6091 Crankshaft Position Sensor Replicated Signal I -
10 - 11 - - - Not Occupied - -
12 0.5 BN / BU 2126 Ignition Control 6 I -
13 0.5 BU / GY 2125 Ignition Control 5 I -
14 0.5 YE / BU 2124 Ignition Control 4 I -
15 0.5 BK / GY 2130 Ignition Control Low Reference Bank 2 I -
16 0.5 YE 7301 High Pressure Fuel Pump Actuator High - Control I -
17 0.5 GY / GN 908 - I -
18 0.5 YE / GN 4321 Park Phaser Lock Control I -
19 0.5 BK / BN 5299 Camshaft Position Exhaust Sensor Low Reference 2 I -
20 0.5 VT / BU 5274 Camshaft Position Exhaust Sensor 2 I -
21 0.5 BK / VT 5303 Camshaft Position Intake Sensor Low Reference 2 I -
22 0.5 BK / VT 6272 Crankshaft 60X Sensor Low Reference I -
23 0.5 BU / WH 3630 Throttle Position Sensor SENT 1 Signal I -
24 0.5 BK / BN 2752 Throttle Position Sensor Low Reference I -
25 - - - Not Occupied - -
26 0.5 BN 25 Charge Indicator Control I -
27 - - - Not Occupied - -
28 0.5 GN / BU 2123 Ignition Control 3 I -
29 0.5 BU / WH 2122 Ignition Control 2 I -
30 0.5 BU / VT 2121 Ignition Control 1 I -
31 0.5 BK / BU 2129 Ignition Control Low Reference Bank 1 I -
32 0.5 VT / BK 7300 High Pressure Fuel Pump Actuator Low - Control I -
33 0.5 GN / BU 428 EVAP Canister Purge Solenoid Control I -
34 0.5 BU 179 Oil Pump Command Signal I -
35 0.5 GY / YE 5297 Camshaft Position Exhaust Sensor Control 1 I -
36 0.5 VT / BK 5273 Camshaft Position Exhaust Sensor 1 I -
37 0.5 BK / GY 5296 Camshaft Position Exhaust Sensor Low Reference 1 I -
38 0.5 BU 410 Engine Coolant Temperature Sensor Signal I -
39 0.35 BN / RD 7445 Fuel Line Pressure Sensor 5V Reference I -
40 0.5 BN / RD 2917 Fuel Rail Pressure Sensor 5V Reference I -
41 0.5 BK / GN 2919 Fuel Rail Pressure Sensor Low Reference I -
42 - - - Not Occupied - -
43 0.5 BK / BU 6755 Cam Phaser Y Low Reference I -
44 0.5 GN 5272 Camshaft Phaser Intake Solenoid 2 I -
45 0.5 VT / BN 5284 Camshaft Phaser Intake Solenoid 1 I -
46 0.5 BK / BN 6753 Cam Phaser W Low Reference I -
47 0.75 WH / GN 4805 Direct Fuel Injector High Voltage Control Cylinder 5 I -
48 0.75 BU 4802 Direct Fuel Injector High Voltage Control Cylinder 2 I -
49 0.75 BN 4801 Direct Fuel Injector High Voltage Control Cylinder 1 I -
50 0.75 GY / BU 4804 Direct Fuel Injector High Voltage Control Cylinder 4 I -
51 0.75 VT / GN 4806 Direct Fuel Injector High Voltage Control Cylinder 6 I -
52 0.75 GN 4803 Direct Fuel Injector High Voltage Control Cylinder 3 I -
53 - - - Not Occupied - -
54 0.5 GN / BU 3889 Powertrain Sensor Bus Relay Control I -
55 0.5 GY / BU 5300 Camshaft Position Intake Sensor Control 1 I -
56 0.5 YE / VT 5275 Camshaft Position Intake Sensor 1 I -
57 0.5 BK / GN 5301 Camshaft Position Intake Sensor Low Reference 1 I -
58 - - - Not Occupied - -
59 0.35 BU / WH 7446 Fuel Line Pressure Sensor Signal I -
60 0.5 BU / WH 2918 Fuel Rail Pressure Sensor Signal I -
61 0.5 GY 23 Generator Field Duty Cycle Signal I -
62 - - - Not Occupied - -
63 0.5 BK / GY 6756 Cam Phaser Z Low Reference I -
64 0.5 GN / BN 5283 Camshaft Phaser Exhaust Solenoid 2 I -
65 0.5 GY / BU 5282 Camshaft Phaser Exhaust Solenoid 1 I -
66 0.5 BK / VT 6754 Cam Phaser X Low Reference I -
67 0.75 GN / WH 4905 Direct Fuel Injector High Voltage Supply Cylinder 5 I -
68 0.75 BU / GY 4902 Direct Fuel Injector High Voltage Supply Cylinder 2 I -
69 0.75 BN / WH 4901 Direct Fuel Injector High Voltage Supply Cylinder 1 I -
70 0.75 BU / WH 4904 Direct Fuel Injector High Voltage Supply Cylinder 4 I -
71 0.75 VT / GY 4906 Direct Fuel Injector High Voltage Supply Cylinder 6 I -
72 0.75 GN / GY 4903 Direct Fuel Injector High Voltage Supply Cylinder 3 I -
73 2.5 BK / WH 151 Signal Ground II -
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