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HOMESERVICE MANUALSCHEVROLET2016SILVERADO 1500 SSV, 4WD, PART TIME T/CASE CONTROL, GAS/ETHANOLREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - K20 X1 LML TO K33 X2COMPONENT CONNECTOR END VIEWSK20 ENGINE CONTROL MODULE X1 (LML)
2016 Chevrolet Silverado 1500 SSV, 4WD, Part Time T/Case Control, Gas/Ethanol

K20 Engine Control Module X1 (LML)

2016 Chevrolet Silverado 1500 SSV, 4WD, Part Time T/Case Control, Gas/EthanolSECTION K20 Engine Control Module X1 (LML)
GM2889071
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 13869716
  • Service Connector: 13574946
  • Description: 73-Way F 0.64, 2.8 Series, Sealed (BK 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
II 13576392 J-35616-4A (PU) J-38125-11A 7116-4152-02 Yazaki 9 A 5
Pin Size Color Circuit Function Terminal Type ID Option
1 0.75 BN/WH 3100 DEF Dosing Valve Low Control I -
2 0.75 BN 3099 DEF Dosing Valve High Control I -
3 0.5 BU 3105 DEF Smart Pump Control I -
4 - - - Not Occupied - -
5 0.5 YE/BK 625 Starter Enable Relay Control I -
6 0.75 GN 3101 DEF Reverting Valve High Control I -
7 0.5 BK/BU 6783 Exhaust Gas Temperature Sensor 2 Low Reference I -
8 - - - Not Occupied - -
9 0.5 WH/BU 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 5V Reference I -
15 0.5 BK/GY 2931 Mass Air Flow Sensor Low Reference I -
16 0.5 BK/BU 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 GN/BN 507 Wait To Start Indicator Control I -
21 - - - Not Occupied - -
22 0.5 BK/GN 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/VT 3661 Exhaust Gas Temperature Sensor 5 Low Reference I -
28 0.5 BK/OG 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 5V Reference I -
31 0.5 BK/GN 3107 DEF Pressure Sensor Low Reference I -
32 - - - Not Occupied - -
33 0.5 BN/BU 2926 Hydrocarbon Injector High Control I -
34 0.5 WH/GY 459 A/C Compressor Clutch Relay Control I -
35 0.5 BK/VT 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 BU/GN 5377 Exhaust Gas Temperature Sensor 2 I -
39 0.5 GN/WH 1162 Accelerator Pedal Position Signal 2 I -
40 0.5 WH/BU 6289 Induction Air Temperature Sensor Signal I -
41 0.5 BU 6053 Exhaust Pressure Sensor Signal 1 I -
42 0.5 WH/RD 1164 Accelerator Pedal Position 5V Reference 1 I -
43 0.5 WH/RD 6054 Exhaust Pressure Sensor 5V 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/GN 439 Run/Crank Ignition 1 Voltage I -
49 0.5 GN/WH 492 Mass Air Flow Sensor Signal I -
50 0.75 BN 25 Charge Indicator Control I -
51 0.5 BK/VT 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/BU 1271 Accelerator Pedal Position Low Reference 1 I -
56 0.5 BU/GY 3660 Exhaust Gas Temperature Sensor 5 Signal I -
57 0.5 GY/GN 5378 Exhaust Gas Temperature Sensor 3 I -
58 0.5 BU/VT 1589 Primary Fuel Level Sensor Signal I -
59 0.5 GN 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 5V Reference 2 I -
63 0.5 BN/RD 2700 A/C Pressure Sensor 5V Reference I -
64 - - - Not Occupied - -
65 0.5 BU/BK 7493 High Speed GMLAN Serial Data (+)3 I -
66 0.5 BU 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 BU/VT 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/BU 5290 Powertrain Main Relay Fused Supply 1 II -
RENDER: 1.0x

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When to See a Mechanic

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

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