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Home >> GMC >> 2013 >> Sierra 1500 XFE >> Repair and Diagnosis >> External Pages >> Different car >> Section 2491 (Wiring Systems And Power Management - Component Connector End Views - F113P To K20 X2 LML) >> Component Connector End Views >> K20 Engine Control Module X1 (LML)

K20 Engine Control Module X1 (LML)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Sierra 3500 HD, 2015 GMC Sierra 2500 HD, 2015 GMC Sierra 1500, 2015 Chevrolet Silverado 3500 HD, and 2015 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
GM2889071
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-3553
  • Service Connector: 13574946
  • Description: 73-Way F 0.64, 2.8 Series, Sealed (BK w/ BU Terminal Postion Assurance)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Core Crimp Insulation Crimp
I 13575812 J-35616-64B (LT BU) J-38125-213 Not Required Not Required Not Required Not Required
II 13576392 J-35616-35 (VT) J-38125-11A Not Required Not Required Not Required Not Required
Pin Size Color Circuit Function Terminal Type ID Option
1 0.75 BN/WH 3100 DEF Dosing Valve Low Control I -
2 0.75 BN 3099 DEF Dosing Valve High Control I -
3 0.5 - 3105 DEF Smart Pump Control I -
4 - - - Not Occupied - -
5 0.5 YE/BK 625 Starter Enable Relay Control I -
6 0.75 - 3101 DEF Reverting Valve High Control I -
7 0.5 BK 6783 Exhaust Gas Temperature Sensor 2 Low Reference I -
8 - - - Not Occupied - -
9 0.5 WH 6311 Cruise/ETC/TCC Brake Signal I -
10 0.5 YE/WH 1695 Four Wheel Drive Wheel Lock Indicator Control I -
11 0.5 GY/BK 1694 Four Wheel Drive Low Signal I -
12 - 13 - - - Not Occupied - -
14 0.5 GY/RD 2365 Cooling Fan Speed 5 Volt Reference I -
15 0.5 BK/GY 2931 Mass Air Flow Sensor Low Reference I -
16 0.5 BK 6288 Induction Air Temperature Sensor Low Reference I -
17 0.5 BN/WH 419 Check Engine Indicator Control I -
18 0.5 VT/BN 2927 Hydrocarbon Injector Low Control I -
19 0.5 WH/BK 2366 Cooling Fan Control Relay Speed Signal I -
20 0.5 - 507 Wait To Start Indicator Control I -
21 - - - Not Occupied - -
22 0.5 BK 3657 Exhaust Gas Temperature Sensor 3 Low Reference I -
23 - 24 - - - Not Occupied - -
25 0.5 WH/GY 1786 Transmission Park/Neutral Signal (1) I -
26 0.5 VT/YE 5985 Accessory Wakeup Serial Data I -
27 0.5 BK/PU 3661 Exhaust Gas Temperature Sensor 5 Low Reference I -
28 0.5 BK 6281 Fuel Level Sensor Low Reference I -
29 0.5 BN/YE 3108 DEF Pressure Sensor Signal I -
30 0.5 YE/RD 3106 DEF Pressure Sensor 5 Volt Reference I -
31 0.5 BK 3107 DEF Pressure Sensor Low Reference I -
32 - - - Not Occupied - -
33 0.5 BN 2926 Hydrocarbon Injector High Control I -
34 0.5 WH/GY 459 A/C Compressor Clutch Relay Control I -
35 0.5 BK/PU 3104 DEF Smart Pump Low Reference I -
36 0.5 BK/BN 5514 A/C Refrigerant Pressure Sensor Low Reference I -
37 - - - Not Occupied - -
38 0.5 - 5377 Exhaust Gas Temperature Sensor (2) I -
39 0.5 - 1162 Accelerator Pedal Position Signal (2) I -
40 0.5 WH 6289 Induction Air Temperature Sensor Signal I -
41 0.5 - 6053 Exhaust Pressure Sensor Signal (1) I -
42 0.5 WH/RD 1164 Accelerator Pedal Position 5 Volt Reference (1) I -
43 0.5 WH/RD 6054 Exhaust Pressure Sensor 5 Volt Reference (1) I -
44 0.5 BK/YE 6055 Exhaust Pressure Sensor Low Reference (1) I -
45 0.5 WH 7494 High Speed GMLAN Serial Data (-)(3) I -
46 0.5 WH 2501 High Speed GMLAN Serial Data (-) (1) I -
47 - - - Not Occupied - -
48 0.5 VT 439 Run/Crank Ignition 1 Voltage I -
49 0.5 - 492 Mass Air Flow Sensor Signal I -
50 0.75 BN 25 Charge Indicator Control I -
51 0.5 BK/PU 1272 Accelerator Pedal Position Low Reference (2) I -
52 - - - Not Occupied - -
53 0.75 WH/BK 3102 DEF Reverting Valve Low Control I -
54 0.5 GY 3103 DEF Smart Pump Control I -
55 0.5 BK 1271 Accelerator Pedal Position Low Reference (1) I -
56 0.5 - 3660 Exhaust Gas Temperature Sensor 5 Signal I -
57 0.5 GY 5378 Exhaust Gas Temperature Sensor (3) I -
58 0.5 - 1589 Primary Fuel Level Sensor Signal I -
59 0.5 - 380 A/C Refrigerant Pressure Sensor Signal I -
60 - - - Not Occupied - -
61 0.5 YE/WH 1161 Accelerator Pedal Position Signal (1) I -
62 0.5 BN/RD 1274 Accelerator Pedal Position 5 Volt Reference (2) I -
63 0.5 BN/RD 2700 A/C Pressure Sensor 5 Volt Reference I -
64 - - - Not Occupied - -
65 0.5 - 7493 High Speed GMLAN Serial Data (+)(3) I -
66 0.5 - 2500 High Speed GMLAN Serial Data (+) (1) I -
67 0.5 RD/BN 440 Battery Positive Voltage I -
68 0.5 YE 5991 Powertrain Relay Coil Control I -
69 0.5 - 2364 Cooling Fan Speed Signal I -
70 0.75 GY 23 Generator Field Duty Cycle Signal I -
71 0.5 BK/BN 6141 Cooling Fan Speed Low Reference I -
72 - - - Not Occupied - -
73 2.5 VT 5290 Powertrain Main Relay Fused Supply (1) II -
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