K20 Engine Control Module X1 (LCV)

2016 Chevrolet Impala LS, 3.6L Eng VIN NSECTION K20 Engine Control Module X1 (LCV)
GM2470482
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-0303
  • Service Connector: 13574782
  • 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 13505803 J-35616-35 (VT) J-38125-12A 1326030-8 Lear 17 4 D
II 13575812 J-35616-64B (LT BU) J-38125-213 33467-0003 Delphi 23 J J
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 BK/YE 6032 Brake Vacuum Sensor Low Reference II -
2 - 3 - - - Not Occupied - -
4 0.5 YE/WH 3200 Throttle Inlet Absolute Pressure Sensor Signal II -
5 0.5 WH/RD 3201 Throttle Inlet Absolute Pressure Sensor 5 Volt Reference II -
6 0.5 L-GN 380 A/C Refrigerant Pressure Sensor Signal II -
7 - 8 - - - Not Occupied - -
9 0.5 D-BU/WH 890 Fuel Tank Pressure Sensor Signal II -
10 0.5 YE/RD 2709 Fuel Tank Pressure Sensor 5 Volt Reference II -
11 - 13 - - - Not Occupied - -
14 0.5 WH/RD 1164 Accelerator Pedal Position 5 Volt Reference (1) II -
15 0.5 YE/WH 1161 Accelerator Pedal Position Signal (1) II -
16 - - - Not Occupied - -
17 0.5 YE/RD 6031 Brake Vacuum Sensor 5 Volt Reference II -
18 0.5 VT/RD 2965 High Voltage Battery Current Sensor Voltage Reference II -
19 0.5 BK/GY 2963 High Voltage Battery Current Sensor Low Reference II -
20 - - - Not Occupied - -
21 0.5 BN/RD 2700 A/C Pressure Sensor 5 Volt Reference II -
22 0.5 BK/BN 5514 A/C Refrigerant Pressure Sensor Low Reference II -
23 - 24 - - - Not Occupied - -
25 0.5 D-BU/VT 1589 Primary Fuel Level Sensor Signal II -
26 0.5 BK/L-GN 6281 Fuel Level Sensor Low Reference II -
27 - 29 - - - Not Occupied - -
30 0.5 BK/D-BU 1271 Accelerator Pedal Position Low Reference (1) II -
31 - - - Not Occupied - -
32 0.5 WH/GY 459 A/C Compressor Clutch Relay Control II -
33 0.5 BN/RD 1274 Accelerator Pedal Position 5 Volt Reference (2) II -
34 0.5 L-GN/WH 1162 Accelerator Pedal Position Signal (2) II -
35 - 38 - - - Not Occupied - -
39 0.5 D-BU 2500 High Speed GMLAN Serial Data (+) (1) II -
40 0.5 WH 2501 High Speed GMLAN Serial Data (-) (1) II -
41 - - - Not Occupied - -
42 0.5 BN/YE 473 High Speed Cooling Fan Relay Control II -
43 - - - Not Occupied - -
44 0.5 L-GN/GY 465 Fuel Pump Primary Relay Control II -
45 - - - Not Occupied - -
46 0.5 BN/WH 419 Check Engine Indicator Control II -
47 0.5 WH/RD 5381 Brake Position Sensor 5 Volt Reference II -
48 0.5 WH/L-GN 5380 Brake Position Sensor Signal II -
49 0.5 YE/D-BU 4161 Transmission Auxiliary Pump Relay Control II -
50 - - - Not Occupied - -
51 0.5 VT/L-GN 439 Run/Crank Ignition 1 Voltage II -
52 0.5 RD/BN 440 Battery Positive Voltage II -
53 0.5 BK/VT 1272 Accelerator Pedal Position Low Reference (2) II -
54 - 56 - - - Not Occupied - -
57 0.5 WH/D-BU 6311 Cruise/ETC/TCC Brake Signal II -
58 0.5 YE/VT 6030 Brake Vacuum Sensor Signal II -
59 0.5 L-GN/VT 335 Low Speed Cooling Fan Relay Control II -
60 - 61 - - - Not Occupied - -
62 0.5 VT/D-BU 5291 Powertrain Main Relay Fused Supply (2) II -
63 0.5 YE/VT 4325 Starter Pinion Solenoid Relay Control II -
64 - 65 - - - Not Occupied - -
66 0.5 WH 1310 EVAP Canister Vent Solenoid Control II -
67 - - - Not Occupied - -
68 0.5 BK/YE 5382 Brake Position Sensor Low Reference II -
69 - - - Not Occupied - -
70 0.5 VT/YE 5985 Accessory Wakeup Serial Data II -
71 - - - Not Occupied - -
72 0.5 YE 5991 Powertrain Relay Coil Control II -
73 2.5 VT/D-BU 5290 Powertrain Main Relay Fused Supply (1) I -
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:

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