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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Component Connector End Views (K17-K71 (LV1))) >> Component Connector End Views >> K20 Engine Control Module X3 (LWN)

K20 Engine Control Module X3 (LWN)

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
GM784851Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 13510837
  • Service Connector: 88988373
  • Description: 56-Way F 0.64 Series, Sealed (BU with BU Terminal Position Assurance)
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
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 BN/WH 3100 DEF Dosing Valve Low Control I -
2 - - - Not Occupied - -
3 0.5 BK/L-GN 6281 Fuel Level Sensor Low Reference I -
4 - 5 - - - Not Occupied - -
6 0.5 YE/WH 3200 Throttle Inlet Absolute Pressure Sensor Signal I -
7 0.5 WH/RD 3201 Throttle Inlet Absolute Pressure Sensor 5V Reference I -
8 0.5 BK/YE 407 Sensor Low Reference I -
9 0.5 BK/VT 3661 Exhaust Gas Temperature Sensor 5 Low Reference I -
10 0.5 BK/D-BU 6274 Exhaust Gas Recirculation Temperature Sensor Low Reference I -
11 0.5 BK/GY 3659 Exhaust Gas Temperature Sensor 4 Low Reference I -
12 0.5 BK/L-GN 3657 Exhaust Gas Temperature Sensor 3 Low Reference I -
13 0.5 BK/D-BU 6783 Exhaust Gas Temperature Sensor 2 Low Reference I -
14 0.5 D-BU/WH 5277 Exhaust Gas Temperature Sensor 1 I -
15 0.5 BN 3099 DEF Dosing Valve High Control I -
16 - 17 - - - Not Occupied - -
18 0.5 BU/VT 1589 Primary Fuel Level Sensor Signal I -
19 0.5 BK/YE 6275 Exhaust Gas Recirculation Temperature Sensor 2 Low Reference I -
20 0.5 YE/L-GN 3236 Exhaust Gas Recirculation Temperature Sensor 2 Signal I -
21 0.5 GY/RD 5928 Variable Nozzle Turbo Position Sensor 5V Reference I -
22 0.5 L-GN/BK 735 Outside Ambient Air Temperature Sensor Signal I -
23 0.5 D-BU/GY 3660 Exhaust Gas Temperature Sensor 5 Signal I -
24 0.5 WH/BN 3237 Exhaust Gas Recirculation Temperature Sensor Signal I -
25 0.5 VT/BN 3658 Exhaust Gas Temperature Sensor 4 Signal I -
26 0.5 GY/L-GN 5378 Exhaust Gas Temperature Sensor 3 I -
27 0.5 BK/BN 6782 Exhaust Gas Temperature Sensor 1 Low Reference I -
28 0.5 D-BU/L-GN 5377 Exhaust Gas Temperature Sensor 2 I -
29 - - - Not Occupied - -
30 0.5 YE/D-BU 1497 Crankcase Ventilation (Blowby) Heater Control Signal I -
31 - - - Not Occupied - -
32 0.5 BN/GY 4008 Humidity Sensor Signal I -
33 0.5 BK/BN 5929 Variable Nozzle Turbo Position Sensor Low Reference I -
34 - 42 - - - Not Occupied - -
43 0.5 L-GN/D-BU 3889 DEF Power Module Relay Control I -
44 - - - Not Occupied - -
45 0.5 BU 3017 Fuel Heater Relay Control 1 I -
46 0.5 VT/YE 5947 Variable Nozzle Turbo Position Sensor Signal I -
47 - 49 - - - Not Occupied - -
50 0.5 WH/RD 6054 Exhaust Pressure Sensor 5V Reference 1 I -
51 0.5 D-BU 6053 Exhaust Pressure Sensor Signal 1 I -
52 0.5 BK/YE 6055 Exhaust Pressure Sensor Low Reference 1 I -
53 - 56 - - - Not Occupied - -
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