K20 Engine Control Module X1 (LSA)

2014 Chevrolet Camaro ZL1, 2D Convertible, Standard TransSECTION K20 Engine Control Module X1 (LSA)
GM1590948
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34576-0703
  • Service Connector: 88988373
  • Description: 56-Way F MX123 34576 Series (BK with BU Terminal Position Assurance Lock)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Core Crimp Insulation Crimp
I 13575575 J-35616-64B (L-BU) J-38125-213 33467-0005 23 J J
II 13575811 J-35616-64B (L-BU) J-38125-213 33467-0003 23 H H
III Not Available Not Available Not Available Not Available Not Available Not Available Not Available
Pin Size Color Circuit Function Terminal Type ID Option
1-6 - - - Not Occupied - -
7 0.5 L-BU/WH 6311 Cruise/ETC/TCC Brake Signal I -
8 - - - Not Occupied - -
9 0.5 BN/WH 6281 Fuel Level Sensor Low Reference I -
10-11 - - - Not Occupied - -
12 0.35 BN/WH 419 Malfunction Indicator Lamp (MIL) Control I -
13 0.35 D-GN/WH 465 Fuel Pump Primary Relay Control I -
14-17 - - - Not Occupied - -
18 0.5 D-BU 5985 Accessory Wakeup Serial Data I -
19 0.5 PK 439 Run/Crank Ignition 1 Voltage I -
20 0.5 RD/WH 440 Battery Positive Voltage I -
21-25 - - - Not Occupied - -
26 0.35 PU/WH 6386 Starter Enable Relay (PPEI 3) Control I -
27-32 - - - Not Occupied - -
33 0.35 WH/BK 1164 Accelerator Pedal Position 5 Volt Reference (1) II -
34 0.5 GY 2709 Fuel Tank Pressure Sensor 5 Volt Reference I -
35 0.35 TN 1274 Accelerator Pedal Position 5 Volt Reference (2) II -
36 0.35 BN 1271 Low Reference II -
37 0.35 PU 1272 Low Reference II -
38 - - - Not Occupied - -
39 0.35 D-GN/WH 817 Vehicle Speed Signal III -
40 0.35 YE 5991 Battery Positive Voltage I -
41-43 - - - Not Occupied - -
44 0.5 D-BU 1936 Primary Fuel Level Sensor Signal I -
45 0.35 L-BU 1937 Secondary Fuel Level Sensor Signal I -
46 0.8 BN 7123 Supercharger Air Inlet Pressure Sensor Signal I -
47 0.35 D-BU 1161 Accelerator Pedal Position Signal (1) II -
48 0.5 D-GN 890 Fuel Tank Pressure Sensor Signal I -
49 0.35 L-BU 1162 Accelerator Pedal Position Signal (2) II -
50-52 - - - Not Occupied - -
53 0.35 D-GN/WH 450 Ground I -
54 0.5 D-BU 473 High Speed Cooling Fan Relay Control I -
55 0.5 WH 1310 EVAP Canister Vent Solenoid Control I -
56 - - - Not Occupied - -
RENDER: 1.0x

NO RELATED

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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.