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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Component Connector End Views (K9 - K29F)) >> Component Connector End Views >> K20 Engine Control Module X3 (LH7)
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K20 Engine Control Module X3 (LH7)

WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
GM1590948
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 12582680
  • Service Connector: 88988373
  • Description: 56-Way F MX123 34576 Series (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 33467-0003 Delphi 23 H H
II 19330179 J-35616-64B (LT BU) J-38125-12A 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 II -
2 - 5 - - - Not Occupied - -
6 0.5 YE/WH 3200 Throttle Inlet Absolute Pressure Sensor Signal II LH7
7 0.5 WH/RD 3201 Throttle Inlet Absolute Pressure Sensor 5V Reference II LH7
8 0.35 BK/GN 580 Engine Control Sensors Low Reference (2) I LH7
9 - - - Not Occupied - -
10 0.5 BK/BU 6274 Exhaust Gas Recirculation Temperature Sensor Low Reference II LH7
11 - - - Not Occupied - -
12 0.5 BK/GN 3657 Exhaust Gas Temperature Sensor 3 Low Reference II -
13 0.5 BK/BU 6783 Exhaust Gas Temperature Sensor 2 Low Reference II LH7
14 0.5 BU/WH 5277 Exhaust Gas Temperature Sensor 1 II LH7
15 0.5 BN 3099 DEF Dosing Valve High Control II -
16 - 18 - - - Not Occupied - -
19 0.5 BK/YE 6275 Exhaust Gas Recirculation Temperature Sensor 2 Low Reference II LH7
20 0.5 YE/GN 3236 Exhaust Gas Recirculation Temperature Sensor 2 Signal II LH7
21 - - - Not Occupied - -
22 0.35 BU/GY 636 Outside Ambient Air Temperature Sensor Signal I LH7
23 - - - Not Occupied - -
24 0.5 WH/BN 3237 Exhaust Gas Recirculation Temperature Sensor Signal II LH7
25 - - - Not Occupied - -
26 0.5 GY/GN 5378 Exhaust Gas Temperature Sensor 3 II LH7
27 0.5 BK/BN 6782 Exhaust Gas Temperature Sensor 1 Low Reference II LH7
28 0.5 BU/GN 5377 Exhaust Gas Temperature Sensor 2 II LH7
29 - - - Not Occupied - -
30 0.5 YE/BU 1497 Crankcase Ventilation (Blowby) Heater Control Signal II LH7
31 - - - Not Occupied - -
32 0.5 BN/GY 4008 Humidity Sensor Signal II LH7
33 0.35 BK/YE 6032 Brake Vacuum Sensor Low Reference I KL9+LH7
34 0.35 YE/VT 6030 Brake Vacuum Sensor Signal I KL9+LH7
35 0.35 YE/RD 6031 Brake Vacuum Sensor 5V Reference I KL9+LH7
36 0.35 GY 4109 Driver Mode Switch 5V Reference I F48/EPH+LH7
37 0.35 WH/VT 4108 Driver Mode Switch Signal I F48/EPH+LH7
38 - 42 - - - Not Occupied - -
43 0.35 GN/BU 3889 DEF Power Module Relay Control I LH7+NDE
44 0.35 VT/BU 6091 Crankshaft Position Sensor Replicated Signal I NKC+LH7
45 0.35 BU 3017 Fuel Heater Relay Control 1 I LH7
46 - 49 - - - Not Occupied - -
50 0.5 WH/RD 6054 Exhaust Pressure Sensor 5V Reference 1 II LH7
51 0.5 BU 6053 Exhaust Pressure Sensor Signal 1 II LH7
52 0.5 BK/YE 6055 Exhaust Pressure Sensor Low Reference 1 II LH7
53 - 56 - - - Not Occupied - -