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Home >> GMC >> 2019 >> Sierra 2500 HD Base, 2D Pickup, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 3023 (Component Connector End Views (K20)) >> Component Connector End Views >> K20 Engine Control Module X2 (L8B)

K20 Engine Control Module X2 (L8B)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Sierra 3500 HD, 2018 GMC Sierra 2500 HD, 2018 GMC Sierra 1500, 2018 Chevrolet Silverado 3500 HD, and 2018 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
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 - 2 - - - Not Occupied - -
3 0.5 BK/GN 2919 Fuel Rail Pressure Sensor Low Reference I -
4 - 5 - - - Not Occupied - -
6 0.5 VT/WH 821 Vehicle Speed Sensor Signal I -
7 0.5 BK/GN 822 Vehicle Speed Sensor Low Reference I -
8 - 9 - - - Not Occupied - -
10 0.5 VT/GY 3110 Heated Oxygen Sensor High Signal Bank 1 Sensor 1 I -
11 0.5 VT/WH 3210 Heated Oxygen Sensor High Signal Bank 2 Sensor 1 I -
12 0.5 VT/BU 3120 Heated Oxygen Sensor High Signal Bank 1 Sensor 2 I -
13 0.5 VT/GN 3220 Heated Oxygen Sensor High Signal Bank 2 Sensor 2 I -
14 - - - Not Occupied - -
15 0.5 GY/BU 7564 Humidity Sensor Signal I -
16 0.5 BN/WH 582 Throttle Actuator Control Close I -
17 - - - Not Occupied - -
18 0.5 BN/RD 2917 Fuel Rail Pressure Sensor 5V Reference I -
19 - 25 - - - Not Occupied - -
26 0.5 WH/BK 3111 Heated Oxygen Sensor Low Signal Bank 1 Sensor 1 I -
27 0.5 YE/WH 3211 Heated Oxygen Sensor Low Signal Bank 2 Sensor 1 I -
28 0.5 WH/YE 3121 Heated Oxygen Sensor Low Signal Bank 1 Sensor 2 I -
29 0.5 YE/BU 3221 Heated Oxygen Sensor Low Signal Bank 2 Sensor 2 I -
30 - 31 - - - Not Occupied - -
32 0.5 YE 581 Throttle Actuator Control Open I -
33 - - - Not Occupied - -
34 0.5 BN/RD 2701 Throttle Position Sensor 5V Reference I -
35 - - - Not Occupied - -
36 0.75 VT/GY 496 Knock Sensor Signal 1 I -
37 0.75 WH/GY 1876 Knock Sensor Signal 2 I -
38 - 40 - - - Not Occupied - -
41 0.5 GY/WH 3113 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 1 I -
42 0.5 GY/WH 3122 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 2 I -
43 0.5 GN/WH 432 Manifold Absolute Pressure Sensor Signal I -
44 0.5 GY/RD 2704 Manifold Absolute Pressure Sensor 5V Reference I -
45 - 46 - - - Not Occupied - -
47 0.5 VT/YE 3854 Cabin Heater Coolant Motor Control I -
48 - - - Not Occupied - -
49 0.5 WH/BU 6289 Induction Air Temperature Sensor Signal I -
50 - - - Not Occupied - -
51 0.5 GN/BU 428 EVAP Canister Purge Solenoid Control I -
52 0.5 GN/WH 492 Mass Air Flow Sensor Signal I -
53 - - - Not Occupied - -
54 0.5 BK/BN 2752 Throttle Position Sensor Low Reference I -
55 - - - Not Occupied - -
56 0.75 BK/YE 1716 Knock Sensor Low Reference 1 I -
57 0.75 BK/GY 2303 Knock Sensor Low Reference 2 I -
58 0.5 WH/GY 1786 Transmission Park/Neutral Signal 1 I -
59 0.5 BU 179 Oil Pump Command Signal I -
60 0.5 BN/GN 1174 Oil Level Switch Signal I -
61 0.5 GN/YE 3212 Heated Oxygen Sensor Heater Low Control Bank 2 Sensor 1 I -
62 0.5 WH/BN 3223 Heated Oxygen Sensor Heater Low Control Bank 2 Sensor 2 I -
63 0.5 BK/GN 469 Manifold Absolute Pressure Sensor Low Reference I -
64 - - - Not Occupied - -
65 0.5 BK/BU 61 Outside Ambient Temperature Sensor Low Reference I -
66 - 68 - - - Not Occupied - -
69 0.5 WH/YE 3202 Throttle Inlet Absolute Pressure Sensor Low Reference I -
70 0.5 BU/WH 3630 Throttle Position Sensor (SENT1) Signal I -
71 - 72 - - - Not Occupied - -
73 2.5 BK/WH 451 Signal Ground II -