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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 (L99 OR LS3)
2012 Chevrolet Camaro LS, Standard Trans

K20 Engine Control Module X1 (L99 or LS3)

2012 Chevrolet Camaro LS, Standard TransSECTION K20 Engine Control Module X1 (L99 or LS3)
GM1673472Courtesy of
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 13716072
  • Service Connector: 88988931
  • Description: 73-Way F 0.64 2.8 Series, Sealed (BK)
Terminal Part Information
  • Pins: 8, 18
  • 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
  • Pins: 1, 9-13, 16, 17, 19, 20-24, 26-34, 36-38, 41, 42, 47, 49, 50, 52-54, 56, 58, 59, 61, 63, 64-66, 68-72
  • Terminated Lead: 13575575
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: Pins: 1, 9-13, 16, 17, 19, 21-24, 26-34, 36-38, 41, 42, 49, 50, 52-54, 56, 58, 59, 61, 63, 64-66, 68-72 - J/J
  • Core/Insulation Crimp: Pins: 20, 47 - K/K
  • 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 (L99 or LS3)

Pin Wire Circuit Function
1 0.5 OG/BK 1786 Park/Neutral Signal (MYC)
2-7 - - Not Available
8 0.35 L-GN 5007 Backup Lamp Switch Signal (M10)
9 0.5 L-BU/WH 6311 Brake Pedal Switch Signal
10 0.5 PU/WH 1668 HO2S High Signal Bank 1 Sensor 2
11 0.5 TN/WH 1669 HO2S Low Signal Bank 1 Sensor 2
12 0.5 OG/BK 380 A/C Refrigerant Pressure Sensor Signal
13 0.5 TN 5514 Low Reference
14-15 - - Not Available
16 0.5 D-BU 1936 Fuel Level Sensor Signal
17 0.5 D-BU 473 High Speed Cooling Fan Relay Control
18 0.35 D-BU 5985 Serial Data Wake - Up Signal
19 0.5 PK 439 Ignition Voltage
20 0.8 RD/WH 440 Battery Positive Voltage
21 0.5 OG 6030 Brake Booster Vacuum Sensor Signal (L99)
22 0.5 YE/BK 6032 Low Reference (L99)
23 0.5 PU 1272 Low Reference
24 0.5 D-GN 890 Fuel Tank Pressure Sensor Signal
25 - - Not Available
26 0.5 YE 6111 Clutch Pedal Position Sensor Signal (M10)
27 0.5 TN 2501 High Speed GMLAN Serial Data Bus -
28 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus +
29 0.5 D-BU 1161 APP Sensor 1 Signal
30 0.5 BN 1271 Low Reference
31 0.5 BN/WH 6281 Low Reference
32 0.5 L-BU 1162 APP Sensor 2 Signal
33 0.5 GY 2709 5-Volt Reference 1
34 0.5 GY 2700 5-Volt Reference 1
35 - - Not Available
36 0.5 TN 1274 5-Volt Reference 1
37 0.5 L-BU 6289 Intake Air Temperature Sensor Signal
38 0.5 TN 2760 Low Reference
39-40 - - Not Available
41 0.5 YE 492 MAF Sensor Signal
42 0.5 WH 6110 Low Reference (M10)
43-46 - - Not Available
47 0.8 PK/BK 5290 Ignition Voltage
48 - - Not Available
49 0.5 TN 1671 HO2S Low Signal Bank 2 Sensor 2
50 0.5 D-GN/WH 465 Fuel Pump Relay Control
51 - - Not Available
52 0.5 PU/WH 6386 Starter Relay Control
53 0.5 GY 6031 5-Volt Reference 2 (L99)
54 0.5 TN 6109 5-Volt Reference 2 (M10)
55 - - Not Available
56 0.5 WH/BK 1164 5-Volt Reference 2
57 - - Not Available
58 0.5 D-GN 335 Low Speed Cooling Fan Relay Control
59 0.5 YE 5991 Powertrain Relay Control
60 - - Not Available
61 0.5 WH 1310 EVAP Canister Vent Solenoid Control
62 - - Not Available
63 0.5 D-GN/WH 459 A/C Compressor Clutch Relay Control
64 0.5 OG/WH 3223 HO2S Heater Low Control Bank 2 Sensor 2
65 0.5 GY/WH 3122 HO2S Heater Low Control Bank 1 Sensor 2
66 0.5 GY 587 Skip/Shift Solenoid Control (M10)
67 - - Not Available
68 0.5 BN/WH 419 MIL Control
69 0.5 PU 1670 HO2S High Signal Bank 2 Sensor 2
70 0.5 L-BU 1937 Fuel Level Sensor Signal - Secondary
71 0.5 GY/BK 6355 VSS Signal High (M10)
72 0.5 PU/WH 6356 VSS Signal Low (M10)
73 2 BK/WH 451 Ground
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.