K20 Engine Control Module X2 (LHU)

2013 Buick Regal Turbo Premium, Standard TransSECTION K20 Engine Control Module X2 (LHU)
GM1590592
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 12582677
  • Service Connector: 88988931
  • Description: 73-Way F 0.64 2.8 Series, Sealed (BK with BK 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 Pending J-35616-64B (L-BU) J-38125-213 33467-0005 23 J J
II Pending J-35616-64B (L-BU) J-38125-213 33467-0005 23 K K
III 13576392 J-35616-35 (VT) J-38125-11A 7116-4152-02 9 A 5
K20 Engine Control Module X2 (LHU)

Pin Size Color Circuit Function Terminal Type ID Option
1-2 - - - Not Occupied - -
3 0.5 BK/BU 808 Low Reference I -
4 - - - Not Occupied - -
5 0.5 GY/BK 3096 5-Volt Reference I MR6
6-7 - - - Not Occupied - -
8 0.5 GN 3098 Output Speed (Digital) Signal I MR6
9 - - - Not Occupied - -
10 0.5 VT/GY 3110 Heated Oxygen Sensor High Signal Bank 1 Sensor (1) I -
11 - - - Not Occupied - -
12 0.5 VT/BU 3120 Heated Oxygen Sensor High Signal Bank 1 Sensor (2) I -
13-14 - - - Not Occupied - -
15 0.5 GY/BU 7564 Humidity Sensor Signal - -
16 0.75 BN/WH 582 Throttle Actuator Control Close II -
17 - - - Not Occupied - -
18 0.5 GY/RD 598 5-Volt Reference 1 I -
19 0.5 BU/WH 2918 Fuel Rail Pressure Sensor Signal I -
20 - - - Not Occupied - -
21 0.5 WH/BK 3097 Low Reference I MR6
22 - - - Not Occupied - -
23 0.5 GN/WH 24 Backup Lamp Supply Voltage - MR6
24-25 - - - Not Occupied - -
26 0.5 WH/BK 3111 Heated Oxygen Sensor Low Signal Bank 1 Sensor (1) I -
27 - - - Not Occupied - -
28 0.5 WH/YE 3121 Heated Oxygen Sensor Low Signal Bank 1 Sensor (2) I -
29 - - - Not Occupied - -
30 0.5 GN 3060 Turbo Bypass Solenoid Control I -
31 - - - Not Occupied - -
32 0.5 YE 581 Throttle Actuator Control Open I -
33 - - - Not Occupied - -
34 0.5 BN/RD 2701 5-Volt Reference 4 I -
35 - - - Not Occupied - -
36 0.5 VT/GY 496 Knock Sensor Signal (1) I -
37 0.5 WH/GY 1876 Knock Sensor Signal (2) I -
38-40 - - - Not Occupied - -
41 0.5 GY/WH 3113 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (1) I -
42 0.5 GY/WH 3122 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (2) II -
43 0.5 GN/WH 432 Manifold Absolute Pressure Sensor Signal I -
44 0.5 GY/RD 2704 5-Volt Reference 1 I -
45 0.5 YE 3054 Barometric Pressure Sensor Signal I -
46-48 - - - Not Occupied - -
49 0.5 WH/BU 6289 Induction Air Temperature Sensor Signal I -
50 - - - Not Occupied - -
51 0.5 GN/BU 428 EVAP Canister Purge Solenoid Control I -
52 0.5 GN/WH 492 Mass Air Flow Sensor Signal I -
53 0.5 BN 25 Charge Indicator Control I -
54 0.5 BK/BN 2752 Low Reference I -
55 0.5 GY 23 Generator Field Duty Cycle Signal I -
56 0.5 BK/YE 1716 Knock Sensor (1) I -
57 0.5 BK/YE 2303 Knock Sensor (2) I -
58 0.75
0.75
WH/GY
WH/GY
1786
1786
Transmission Park/Neutral Signal (1)
Transmission Park/Neutral Signal (1)
II MDK or MHK
MDK or MHK
59 - - - Not Occupied - -
60 0.5 BN/GN 1174 Oil Level Switch Signal I -
61-62 - - - Not Occupied - -
63 0.5 BK/GN 469 Low Reference I -
64 0.5 GY/RD 3053 5-Volt Reference 2 I -
65-68 - - - Not Occupied - -
69 0.5 BK/VT 2760 Low Reference I -
70 0.5 BN/GN 485 Throttle Position Sensor Signal - -
71 0.5 YE/VT 3058 Wastegate Solenoid Control I -
72 - - - Not Occupied - -
73 2.5 BK/WH 451 Ground III -
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.