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HOMESERVICE MANUALSCHEVROLET2012CAMARO LS, STANDARD TRANSREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - A6C THROUGH K20 X2 (LSA)COMPONENT CONNECTOR END VIEWSK20 ENGINE CONTROL MODULE X1 (LFX)
2012 Chevrolet Camaro LS, Standard Trans

K20 Engine Control Module X1 (LFX)

2012 Chevrolet Camaro LS, Standard TransSECTION K20 Engine Control Module X1 (LFX)
GM2470482Courtesy of
Connector Part Information 
  • Harness Type: Engine
  • OEM Connector: 13611938
  • Service Connector: 13574782
  • Description: 73-Way F 0.64, 2.8 Series, Sealed (BK)
Terminal Part Information 
  • Pins: 4-6, 9-10, 14-15, 21-22, 25-27, 30, 32-34, 39-40, 42, 44, 46, 48, 51-53, 57, 59, 62-63, 66-67, 72
  • Terminated Lead: 13575575
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Pin: 70
  • Terminated Lead: 13575575
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Pin: 73
  • Terminated Lead: 13576375
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 1326030-8/17
  • Core/Insulation Crimp: A/4
K20 Engine Control Module X1 (LFX)

Pin Size Color Circuit Function Option
1-3 - - - Not Used -
4 0.5 YE/WH 3200 Barometric Pressure Sensor Signal -
5 0.5 GY/WH 3201 5V Reference 1 -
6 0.5 OG/BK 380 A/C Refrigerant Pressure Sensor Signal -
7-8 - - - Not Used -
9 0.5 D-GN 890 Fuel Tank Pressure Sensor Signal -
10 0.5 GY 2709 Fuel Tank Pressure Sensor 5-Volt Reference 1 -
11-13 - - - Not Used -
14 0.5 WH/BK 1164 Accelerator Pedal Position 5-Volt Reference 4 (1) -
15 0.5 D-BU 1161 Accelerator Pedal Position Signal (1) -
16-20 - - - Not Used -
21 0.5 GY 2700 5-Volt Reference 1 -
22 0.5 TN 5514 A/C Refrigerant Pressure Sensor Low Reference -
23-24 - - - Not Available -
25 0.5 D-BU 1936 Primary Fuel Level Sensor Signal -
26 0.5 BN/WH 6281 Low Reference -
27 0.5 L-BU 1937 Secondary Fuel Level Sensor Signal -
28-29 - - - Not Used -
30 0.5 BN 1271 Accelerator Pedal Position Low Reference (1) -
31 - - - Not Used -
32 0.5 D-GN/WH 459 A/C Compressor Clutch Relay Control -
33 0.5 TN 1274 Accelerator Pedal Position 5-Volt Reference 3 (2) -
34 0.5 L-BU 1162 Accelerator Pedal Position Signal (2) -
35-38 - - - Not Used -
39 0.5 TN/BK 2500 High Speed GMLAN Serial Data (+) (1) -
40 0.5 TN 2501 High Speed GMLAN Serial Data (-) (1) -
41 - - - Not Used -
42 0.5 D-BU 473 High Speed Cooling Fan Relay Control -
43 - - - Not Used -
44 0.5 D-GN/WH 465 Fuel Pump Primary Relay Control -
45 - - - Not Used -
46 0.5 BN/WH 419 Check Engine Indicator Control -
47 0.5 TN 5381 Brake Position Sensor 5 Volt Reference 1 -
48 0.5 YE 6111 Clutch Apply Sensor Signal MV5
5380 Brake Position Sensor Signal MYB
49-50 - - - Not Used -
51 0.5 PK 439 Run/Crank Ignition 1 Voltage -
52 0.5 RD/WH 440 Battery Positive Voltage -
53 0.5 PU 1272 Accelerator Pedal Position Low Reference (2) -
54-56 - - - Not Used -
57 0.5 L-BU/WH 6311 Cruise/ETC/TCC Brake Signal -
58 - - - Not Used -
59 0.5 D-GN 335 Low Speed Cooling Fan Relay Control -
60-61 - - - Not Used -
62 0.5 PK/BK 5291 Powertrain Main Relay Fused Supply (2) -
63 0.5 PU/WH 6386 Starter Enable Relay (PPEI 3) Control -
64-65 - - - Not Used -
66 0.5 WH 1310 EVAP Canister Vent Solenoid Control -
67 0.5 PK/BK 5292 Powertrain Main Relay Fused Supply (3) -
68 0.5 TN 6109 Brake Position Sensor Low Reference -
68-69 - - - Not Used -
70 0.35 D-BU 5985 Accessory Wakeup Serial Data -
71 - - - Not Used -
72 0.5 YE 5991 Powertrain Relay Coil Control -
73 2 PK/BK 5290 Ignition 1 Voltage -
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:

  • • 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.