K20 Engine Control Module X2 (L96)

2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION K20 Engine Control Module X2 (L96)
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GM1673472
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 33152986
  • Service Connector: 19301191
  • Description: 73-Way F 0.64, 2.8 Series, Sealed (BK)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Name Core Crimp Insulation Crimp
I 13575812 J-35616-64B (LT BU) J-38125-213 Not Available Not Available Not Available Not Available
II 13579770 J-35616-4A (PU) J-38125-11A 7116-4152-02 Yazaki 9 A 5
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 BU/VT 2121 Ignition Control 1 I -
2 0.5 GN/YE 1744 Fuel Injector Control 1 I -
3 0.5 BN/GY 878 Fuel Injector Control 8 I -
4 0.5 BN/VT 877 Fuel Injector Control 7 I -
5 0.5 YE/WH 1745 Fuel Injector Control 2 I -
6 0.5 BN/BU 846 Fuel Injector Control 6 I -
7 0.5 BN/GN 845 Fuel Injector Control 5 I -
8 0.5 BN/YE 844 Fuel Injector Control 4 I -
9 0.5 BN/VT 1746 Fuel Injector Control 3 I -
10 - - - Not Occupied - -
11 0.5 VT/BN 5284 Camshaft Phaser Intake Solenoid 1 I -
12 - 14 - - - Not Occupied - -
15 0.5 YE 581 Throttle Actuator Control Open I -
16 0.5 BN/WH 582 Throttle Actuator Control Close I -
17 0.5 VT/WH 2128 Ignition Control 8 I -
18 0.5 YE/BU 2124 Ignition Control 4 I -
19 0.5 BK/GY 2130 Ignition Control Low Reference Bank 2 I -
20 0.5 BK/VT 6272 Crankshaft 60X Sensor Low Reference I -
21 - 23 - - - Not Occupied - -
24 0.5 BK/GN 5301 Camshaft Position Intake Sensor Low Reference 1 I -
25 0.5 BK/VT 2755 Oil Pressure Sensor Low Reference I -
26 - 27 - - - Not Occupied - -
28 0.75 VT/BU 5290 Powertrain Main Relay Fused Supply 1 I -
29 0.5 BK/BN 6753 Cam Phaser W Low Reference I -
30 - 32 - - - Not Occupied - -
33 0.5 GN/GY 2127 Ignition Control 7 I -
34 0.5 BU/GY 2125 Ignition Control 5 I -
35 0.5 BK/BU 2129 Ignition Control Low Reference Bank 1 I -
36 0.5 VT/BU 6270 Crankshaft 60X Sensor 5V Reference I -
37 - 39 - - - Not Occupied - -
40 0.5 GY/BU 5300 Camshaft Position Intake Sensor Control 1 I -
41 0.5 WH/RD 2705 Oil Pressure Sensor 5V Reference I -
42 - - - Not Occupied - -
43 0.5 BN/YE 2701 Throttle Position Sensor 5V Reference I -
44 0.5 BK/BN 2752 Throttle Position Sensor Low Reference I -
45 0.5 BU/WH 3630 Throttle Position Sensor (SENT1) Signal I -
46 - - - Not Occupied - -
47 0.5 WH/BK 3111 Heated Oxygen Sensor Low Signal Bank 1 Sensor 1 I -
48 0.5 YE/WH 3211 Heated Oxygen Sensor Low Signal Bank 2 Sensor 1 I -
49 0.75 BK/YE 1716 Knock Sensor Low Reference 1 I -
50 0.75 BK/GY 2303 Knock Sensor Low Reference 2 I -
51 - - - Not Occupied - -
52 0.5 GN/YE 3212 Heated Oxygen Sensor Heater Low Control Bank 2 Sensor 1 I -
53 0.5 BU/WH 2122 Ignition Control 2 I -
54 0.5 BN/BU 2126 Ignition Control 6 I -
55 0.5 GN/BU 2123 Ignition Control 3 I -
56 0.5 GN 6271 Crankshaft 60X Sensor Signal I -
57 - 59 - - - Not Occupied - -
60 0.5 YE/VT 5275 Camshaft Position Intake Sensor 1 I -
61 0.5 YE/BN 331 Oil Pressure Sensor Signal I -
62 - 66 - - - Not Occupied - -
67 0.5 VT/GY 3110 Heated Oxygen Sensor High Signal Bank 1 Sensor 1 I -
68 0.5 VT/WH 3210 Heated Oxygen Sensor High Signal Bank 2 Sensor 1 I -
69 0.75 VT/GY 496 Knock Sensor Signal 1 I -
70 0.75 WH/GY 1876 Knock Sensor Signal 2 I -
71 - - - Not Occupied - -
72 0.5 GY/WH 3113 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 1 I -
73 2.5 BK/WH 451 Signal Ground II -
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.