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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 228 (Component Connector End Views (K20 (X1)-K56 (X1))) >> Component Connector End Views >> K20 Engine Control Module X4 (LF4)

K20 Engine Control Module X4 (LF4)

WARNING: This page is about a different car, the 2021 Cadillac CT4. 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: 13529956
  • 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 13587518 J-35616-35 (VT) J-38125-11A
II 19351723 J-35616-64B (LT BU) J-38125-213
Pin Size Color Circuit Function Terminal Type ID Option
1 - 3 - - - Not Occupied - -
4 0.5 GY / BU 5282 Exhaust Camshaft Position Actuator Solenoid Valve 1 II -
5 0.5 VT / BN 5284 Intake Camshaft Position Actuator Solenoid Valve 1 II -
6 0.5 VT / GN 4320 Powertrain Sensor Bus Enable II -
7 0.5 VT / BK 5273 Exhaust Camshaft Position Sensor 1 II -
8 0.5 YE / VT 5275 Intake Camshaft Position Sensor 1 II -
9 0.5 GY / BU 5300 Intake Camshaft Position Sensor 1 Voltage Reference II -
10 0.5 GN 6271 Crankshaft Position Sensor Signal II -
11 - - - Not Occupied - -
12 0.5 YE / BU 2124 Ignition Control 4 II -
13 0.5 BU / WH 2122 Ignition Control 2 II -
14 0.5 BN 25 Charge Indicator Control II -
15 0.5 GN / BU 1652 Reverse Inhibit Solenoid Actuator Control II -
16 0.75 YE 7301 High Pressure Fuel Pump High Control II -
17 - 18 - - - Not Occupied - -
19 0.75 GN 3098 Output Speed Signal II -
20 0.5 BK / VT 6754 Camshaft Position Actuator Solenoid Valve X Low Reference II -
21 0.5 BK / BN 6753 Camshaft Position Actuator Solenoid Valve W Low Reference II -
22 0.5 BK / GY 5296 Exhaust Camshaft Position Sensor Low Reference 1 II -
23 0.5 GY / YE 5297 Exhaust Camshaft Position Sensor 1 Voltage Reference II -
24 0.5 BK / GN 5301 Intake Camshaft Position Sensor Low Reference 1 II -
25 0.5 VT / BU 6270 Crankshaft Position Sensor Voltage II -
26 0.5 BK / VT 6272 Crankshaft Position Sensor Low Reference II -
27 - - - Not Occupied - -
28 0.5 GN / BU 2123 Ignition Control 3 II -
29 0.5 BU / VT 2121 Ignition Control 1 II -
30 0.5 BK / BU 2129 Ignition Control Low Reference Bank 1 II -
31 - - - Not Occupied - -
32 0.75 VT / BK 7300 High Pressure Fuel Pump Low Control II -
33 - 35 - - - Not Occupied - -
36 0.5 BK / BN 2752 Throttle Position Sensor Low Reference II -
37 0.5 BK / GN 469 Manifold Absolute Pressure Sensor Low Reference II -
38 0.5 YE / WH 3200 Throttle Inlet Absolute Pressure Sensor Signal II -
39 - 40 - - - Not Occupied - -
41 0.5 GN 380 A/C Refrigerant Pressure Sensor Signal II -
42 - - - Not Occupied - -
43 0.5 BK / GY 626 Engine Control Vehicle Sensors Low Reference 1 II -
44 0.5 VT / BU 5292 Powertrain Main Relay Fused Supply Voltage 3 II -
45 - 46 - - - Not Occupied - -
47 0.75 VT / GN 4806 Direct Fuel Injector High Voltage Control Cylinder 6 II -
48 0.75 WH / GN 4805 Direct Fuel Injector High Voltage Control Cylinder 5 II -
49 0.75 GY / BU 4804 Direct Fuel Injector High Voltage Control Cylinder 4 II -
50 0.75 GN 4803 Direct Fuel Injector High Voltage Control Cylinder 3 II -
51 0.75 BU 4802 Direct Fuel Injector High Voltage Control Cylinder 2 II -
52 0.75 BN 4801 Direct Fuel Injector High Voltage Control Cylinder 1 II -
53 - 54 - - - Not Occupied - -
55 0.5 BN / RD 2701 Throttle Position Sensor 5V Reference II -
56 0.5 BU / WH 3630 Throttle Position Sensor SENT 1 Signal II -
57 0.5 GY / RD 2704 Manifold Absolute Pressure Sensor 5V Reference II -
58 0.5 GN / WH 432 Manifold Absolute Pressure Sensor Signal II -
59 - 60 - - - Not Occupied - -
61 0.5 BU 410 Engine Coolant Temperature Sensor Signal II -
62 - - - Not Occupied - -
63 0.5 BU / WH 2918 Fuel Rail Pressure Sensor Signal II -
64 0.5 GY 23 Generator Field Duty Cycle Signal II -
65 - 66 - - - Not Occupied - -
67 0.75 VT / GY 4906 Direct Fuel Injector High Voltage Supply Cylinder 6 II -
68 0.75 GN / WH 4905 Direct Fuel Injector High Voltage Supply Cylinder 5 II -
69 0.75 BU / WH 4904 Direct Fuel Injector High Voltage Supply Cylinder 4 II -
70 0.75 GN / GY 4903 Direct Fuel Injector High Voltage Supply Cylinder 3 II -
71 0.75 BU / GY 4902 Direct Fuel Injector High Voltage Supply Cylinder 2 II -
72 0.75 BN / WH 4901 Direct Fuel Injector High Voltage Supply Cylinder 1 II -
73 2.5 BK / WH 6151 Engine Control Module Ground I -
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