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K20 Engine Control Module X3

WARNING: This page is about a different car, the 2021 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
GM1650395Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 12672862
  • Service Connector: 19333091
  • 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 19354746 J-35616-64B (LT BU) J-38125-215A
Pin Size Color Circuit Function Terminal Type ID Option
1 - 2 - - - Not Occupied - -
3 0.5 GN / BN 5298 Exhaust Camshaft Position Sensor 2 Voltage Reference II LFY
4 0.5 YE 5276 Intake Camshaft Position Sensor 2 II LFY
5 0.5 WH / BU 5302 Intake Camshaft Position Sensor 2 Voltage Reference II LFY
6 0.5 VT / BU 6270 Crankshaft Position Sensor Voltage II LFY
7 0.5 GN 6271 Crankshaft Position Sensor Signal II LFY
8 0.5 BN / RD 2701 Throttle Position Sensor 5V Reference II LFY
9 0.5 VT / BU 6091 Crankshaft Position Sensor Replicated Signal II LFY+UQA
10 - 11 - - - Not Occupied - -
12 0.5 BN / BU 2126 Ignition Control 6 II LFY
13 0.5 BU / GY 2125 Ignition Control 5 II LFY
14 0.5 YE / BU 2124 Ignition Control 4 II LFY
15 0.5 BK / GY 2130 Ignition Control Low Reference Bank 2 II LFY
16 0.75 YE 7301 High Pressure Fuel Pump High Control II LFY
17 - 18 - - - Not Occupied - -
19 0.5 BK / BN 5299 Exhaust Camshaft Position Sensor Low Reference 2 II LFY
20 0.5 VT / BU 5274 Exhaust Camshaft Position Sensor 2 II LFY
21 0.5 BK / VT 5303 Intake Camshaft Position Sensor Low Reference 2 II LFY
22 0.5 BK / VT 6272 Crankshaft Position Sensor Low Reference II LFY
23 0.5 BU / WH 3630 Throttle Position Sensor SENT 1 Signal II LFY
24 0.5 BK / BN 2752 Throttle Position Sensor Low Reference II LFY
25 - - - Not Occupied - -
26 0.5 BN 25 Charge Indicator Control II LFY+V92
27 - - - Not Occupied - -
28 0.5 GN / BU 2123 Ignition Control 3 II LFY
29 0.5 BU / WH 2122 Ignition Control 2 II LFY
30 0.5 BU / VT 2121 Ignition Control 1 II LFY
31 0.5 BK / BU 2129 Ignition Control Low Reference Bank 1 II LFY
32 0.75 VT / BK 7300 High Pressure Fuel Pump Low Control II LFY
33 0.5 GN / BU 428 EVAP Canister Purge Solenoid Control II LFY
34 - - - Not Occupied - -
35 0.5 GY / YE 5297 Exhaust Camshaft Position Sensor 1 Voltage Reference II LFY
36 0.5 VT / BK 5273 Exhaust Camshaft Position Sensor 1 II LFY
37 0.5 BK / GY 5296 Exhaust Camshaft Position Sensor Low Reference 1 II LFY
38 0.5 BU 410 Engine Coolant Temperature Sensor Signal II LFY
39 - - - Not Occupied - -
40 0.5 BN / RD 2917 Fuel Rail Pressure Sensor 5V Reference II LFY
41 0.5 BK / GN 2919 Fuel Rail Pressure Sensor Low Reference II LFY
42 - - - Not Occupied - -
43 0.5 BK / BU 6755 Camshaft Position Actuator Solenoid Valve Y Low Reference II LFY
44 0.5 GN 5272 Intake Camshaft Position Actuator Solenoid Valve 2 II LFY
45 0.5 VT / BN 5284 Intake Camshaft Position Actuator Solenoid Valve 1 II LFY
46 0.5 BK / BN 6753 Camshaft Position Actuator Solenoid Valve W Low Reference II LFY
47 0.75 WH / GN 4805 Direct Fuel Injector High Voltage Control Cylinder 5 II LFY
48 0.75 BU 4802 Direct Fuel Injector High Voltage Control Cylinder 2 II LFY
49 0.75 BN 4801 Direct Fuel Injector High Voltage Control Cylinder 1 II LFY
50 0.75 GY / BU 4804 Direct Fuel Injector High Voltage Control Cylinder 4 II LFY
51 0.75 VT / GN 4806 Direct Fuel Injector High Voltage Control Cylinder 6 II LFY
52 0.75 GN 4803 Direct Fuel Injector High Voltage Control Cylinder 3 II LFY
53 - - - Not Occupied - -
54 0.5 GN / BU 3889 Powertrain Sensor Bus Relay Control II LFY
55 0.5 GY / BU 5300 Intake Camshaft Position Sensor 1 Voltage Reference II LFY
56 0.5 YE / VT 5275 Intake Camshaft Position Sensor 1 II LFY
57 0.5 BK / GN 5301 Intake Camshaft Position Sensor Low Reference 1 II LFY
58 - 59 - - - Not Occupied - -
60 0.5 BU / WH 2918 Fuel Rail Pressure Sensor Signal II LFY
61 0.5 GY 23 Generator Field Duty Cycle Signal II LFY+V92
62 - - - Not Occupied - -
63 0.5 BK / GY 6756 Camshaft Position Actuator Solenoid Valve Z Low Reference II LFY
64 0.5 GN / BN 5283 Exhaust Camshaft Position Actuator Solenoid Valve 2 II LFY
65 0.5 GY / BU 5282 Exhaust Camshaft Position Actuator Solenoid Valve 1 II LFY
66 0.5 BK / VT 6754 Camshaft Position Actuator Solenoid Valve X Low Reference II LFY
67 0.75 GN / WH 4905 Direct Fuel Injector High Voltage Supply Cylinder 5 II LFY
68 0.75 BU / GY 4902 Direct Fuel Injector High Voltage Supply Cylinder 2 II LFY
69 0.75 BN / WH 4901 Direct Fuel Injector High Voltage Supply Cylinder 1 II LFY
70 0.75 BU / WH 4904 Direct Fuel Injector High Voltage Supply Cylinder 4 II LFY
71 0.75 VT / GY 4906 Direct Fuel Injector High Voltage Supply Cylinder 6 II LFY
72 0.75 GN / GY 4903 Direct Fuel Injector High Voltage Supply Cylinder 3 II LFY
73 2.5 BK / WH 451 Signal Ground I LFY
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