K20 Engine Control Module X1 (L99, LS3, or LS7)

2014 Chevrolet Camaro ZL1, 2D Convertible, Standard TransSECTION K20 Engine Control Module X1 (L99, LS3, or LS7)
GM1673472
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

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 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
II 13575811 J-35616-64B (L-BU) J-38125-213 33467-0003 23 H H
III 13575351 J-35616-35 (VT) J-38125-12A 1326030-8 17 A 4
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 OG/BK 1786 Park/Neutral Signal I MYC
2-7 - - - Not Occupied - -
8 0.35 L-GN 5007 Backup Lamp Switch Signal II M10
9 0.5 L-BU/WH 6311 Brake Pedal Switch Signal I -
10 0.5 PU/WH 1668 HO2S High Signal Bank 1 Sensor 2 I -
11 0.5 TN/WH 1669 HO2S Low Signal Bank 1 Sensor 2 I -
12 0.5 OG/BK 380 A/C Refrigerant Pressure Sensor Signal I -
13 0.5 TN 5514 Low Reference I -
14-15 - - - Not Occupied - -
16 0.5 D-BU 1936 Fuel Level Sensor Signal I -
17 0.5 D-BU 473 High Speed Cooling Fan Relay Control I -
18 0.5 D-BU 5985 Serial Data Wake - Up Signal II -
19 0.5 PK 439 Ignition Voltage I -
20 0.8 RD/WH 440 Battery Positive Voltage I -
21 0.5 OG 6030 Brake Booster Vacuum Sensor Signal I L99
22 0.5 YE/BK 6032 Low Reference I L99
23 0.5 PU 1272 Low Reference I -
24 0.5 D-GN 890 Fuel Tank Pressure Sensor Signal I -
25 - - - Not Occupied - -
26 0.5
0.5
YE
YE
5380
6111
Brake Position Sensor Signal
Clutch Pedal Position Sensor Signal
I M97
M10
27 0.5 TN 2501 High Speed GMLAN Serial Data Bus - I -
28 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus + I -
29 0.5 D-BU 1161 APP Sensor 1 Signal I -
30 0.5 BN 1271 Low Reference I -
31 0.5 BN/WH 6281 Low Reference I -
32 0.5 L-BU 1162 APP Sensor 2 Signal I -
33 0.5 GY 2709 5-Volt Reference 1 I -
34 0.5 GY 2700 5-Volt Reference 1 I -
35 - - - Not Occupied - -
36 0.5 TN 1274 5-Volt Reference 1 I -
37 0.5 L-BU 6289 Intake Air Temperature Sensor Signal I -
38 0.5 TN 2760 Low Reference I -
39-40 - - - Not Occupied - -
41 0.5 YE 492 MAF Sensor Signal I -
42 0.5 WH 6110 Low Reference I M10
43-46 - - - Not Occupied - -
47 0.8 PK/BK 5290 Ignition Voltage I -
48 - - - Not Occupied - -
49 0.5 TN 1671 HO2S Low Signal Bank 2 Sensor 2 I -
50 0.5 D-GN/WH 465 Fuel Pump Relay Control I -
51 - - - Not Occupied - -
52 0.5 PU/WH 6386 Starter Relay Control I -
53 0.5 GY 6031 5-Volt Reference 2 I L99
54 0.5 TN 6109 5-Volt Reference 2 I M10
55 - - - Not Occupied - -
56 0.5 WH/BK 1164 5-Volt Reference 2 I -
57 - - - Not Occupied - -
58 0.5 D-GN 335 Low Speed Cooling Fan Relay Control I -
59 0.5 YE 5991 Powertrain Relay Control I -
60 - - - Not Occupied - -
61 0.5 WH 1310 EVAP Canister Vent Solenoid Control I -
62 - - - Not Occupied - -
63 0.5 D-GN/WH 459 A/C Compressor Clutch Relay Control I -
64 0.5 OG/WH 3223 HO2S Heater Low Control Bank 2 Sensor 2 I -
65 0.5 GY/WH 3122 HO2S Heater Low Control Bank 1 Sensor 2 I -
66 0.5 GY 587 Skip/Shift Solenoid Control I M10
67 - - - Not Occupied - -
68 0.5 BN/WH 419 MIL Control I -
69 0.5 PU 1670 HO2S High Signal Bank 2 Sensor 2 I -
70 0.5 L-BU 1937 Fuel Level Sensor Signal - Secondary I -
71 0.5 GY/BK 6355 VSS Signal High I M10
72 0.5 PU/WH 6356 VSS Signal Low I M10
73 2 BK/WH 451 Ground III -
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.