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K20 Engine Control Module X3 (LFX)

GM1590596Courtesy of
Connector Part Information 
  • Harness Type: Engine
  • OEM Connector: 15497996
  • Service Connector: 88988372
  • Description: 73-Way F 64/2.8 Series, Sealed (BK with GY Terminal Position Assurance Lock)
Terminal Part Information 
  • Pin: 1-2, 8, 10, 13-17, 24-42, 53-62
  • Terminated Lead: 13575575
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Pin: 46-48, 50-52, 66-68, 70-72
  • Terminated Lead: 13575575
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: K/K
  • Pin: 73
  • Terminated Lead: 13576375
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 1326030-8/17
  • Core/Insulation Crimp: A/4
K20 Engine Control Module X3 (LFX)

Pin Size Color Circuit Function Option
1 0.5 TN/WH 331 Oil Pressure Sensor Signal -
2 0.5 GY 2705 5 Volt Reference 1 -
3-7 - - - Not Available -
8 0.5 YE 410 Engine Coolant Temperature Sensor Signal -
9 - - - Not Available -
10 0.5 PU/WH 6270 Crankshaft 60X Sensor Voltage -
11-12 - - - Not Available -
13 0.5 L-BU/WH 2126 Ignition Control (6) -
14 0.5 D-GN 2125 Ignition Control (5) -
15 0.5 BN/WH 2130 Ignition Control Low Reference Bank 2 -
16 0.5 YE 7301 High Pressure Fuel Pump Actuator High - Control -
17 0.5 BK 2755 Low Reference -
18-23 - - - Not Used -
24 0.5 TN 2761 Coolant Temperature Sensor Low Reference -
25 0.5 GY/BK 6272 Crankshaft 60X Sensor Low Reference -
26 0.5 WH/BK 6271 Crankshaft 60X Sensor Signal -
27 0.5 D-GN/WH 2124 Ignition Control (4) -
28 0.5 L-BU 2123 Ignition Control (3) -
29 0.5 OG/WH 2122 Ignition Control (2) -
30 0.5 PU 2121 Ignition Control (1) -
31 0.5 BN 2129 Ignition Control Low Reference Bank 1 -
32 0.5 PU 7300 High Pressure Fuel Pump Actuator Low - Control -
33 0.5 OG 5275 Camshaft Position Intake Sensor (1) -
34 0.5 D-BU 5300 5-Volt Reference 1 -
35 0.5 D-GN 5273 Camshaft Position Exhaust Sensor (1) -
36 0.5 YE 5276 Camshaft Position Intake Sensor (2) -
37 0.5 L-BU 5302 Camshaft Position Intake Sensor 5-Volt Reference 1 -
38 0.5 PU 5274 Camshaft Position Exhaust Sensor (2) -
39 0.5 PU 5284 Camshaft Phaser Intake Solenoid (1) -
40 0.5 L-GN 5282 Camshaft Phaser Exhaust Solenoid (1) -
41 0.5 OG/BK 5272 Camshaft Phaser Intake Solenoid (2) -
42 0.5 WH/BK 5283 Camshaft Phaser Exhaust Solenoid (2) -
43-45 - - - Not Available -
46 0.8 L-BU 4804 Direct Fuel Injector (DFI) High Voltage Control Cylinder 4 -
47 0.8 L-GN 4805 Direct Fuel Injector (DFI) High Voltage Control Cylinder 5 -
48 0.8 D-BU 4802 Direct Fuel Injector (DFI) High Voltage Control Cylinder 2 -
49 - - - Not Available -
50 0.8 D-GN 4803 Direct Fuel Injector (DFI) High Voltage Control Cylinder 3 -
51 0.8 PU 4806 Direct Fuel Injector (DFI) High Voltage Control Cylinder 6 -
52 0.8 BN 4801 Direct Fuel Injector (DFI) High Voltage Control Cylinder 1 -
53 0.5 TN 5301 Camshaft Position Intake Sensor Low Reference (1) -
54 0.5 YE/BK 5297 5-Volt Reference 1 -
55 0.5 GY 5296 Camshaft Position Exhaust Sensor Low Reference (1) -
56 0.5 BN/WH 5303 Camshaft Position Intake Sensor Low Reference (2) -
57 0.5 L-GN 5298 Camshaft Position Exhaust Sensor 5-Volt Reference 1 -
58 0.5 BN 5299 Camshaft Position Exhaust Sensor Low Reference (2) -
59 0.5 BN 6753 Cam Phaser W Return Low Reference -
60 0.5 BN/WH 6754 Cam Phaser X Return Low Reference -
61 0.5 D-BU 6755 Cam Phaser Y Return Low Reference -
62 0.5 D-BU/WH 6756 Cam Phaser Z Return Low Reference -
63-65 - - - Not Available -
66 0.8 L-BU/WH 4904 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 4 -
67 0.8 L-GN/WH 4905 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 5 -
68 0.8 D-BU/WH 4902 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 2 -
69 - - - Not Available -
70 0.8 D-GN/WH 4903 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 3 -
71 0.8 PU/WH 4906 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 6 -
72 0.8 BN/WH 4901 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 1 -
73 2 BK/WH 451 Signal Ground -
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