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Home >> Buick >> 2013 >> Verano Premium, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (Wiring Systems And Power Management - Component Connector End Views - G24 Through M46) >> Component Connector End Views >> K20 Engine Control Module X1 (LHU) Connector End View
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K20 Engine Control Module X1 (LHU) Connector End View

WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: K20 Engine Control Module X1 (LHU) Connector End View
GM2470482Courtesy of GENERAL MOTORS CORP.
K20 Engine Control Module X1 (LHU)

Pin Wire Circuit Function
1-3 - - Not Used
4 0.5 PU 7330 Pre Throttle Air Temp and Press (TMAP) Air Pressure Signal
5 0.5 GY 7331 5-Volt Reference
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 5-Volt Reference
11-12 - - Not Used
13 0.5 L-BU 7329 Pre-Throttle Air Temp and Press (TMAP) Temperature Signal
14 0.5 WH/BK 1164 5-Volt Reference
15 0.5 D-BU 1161 Accelerator Pedal Position Signal (1)
16-19 - - Not Used
20 0.5 TN 7332 Low Reference
21 0.5 GY 2700 5-Volt Reference
22 0.5 TN 5514 Low Reference
23-24 - - Not Used
25 0.5 D-BU 1936 Primary Fuel Level Sensor Signal
26 0.5 TN 2759 Low Reference
27-29 - - Not Used
30 0.5 BN 1271 Low Reference
31 - - Not Used
32 0.5 D-GN/WH 459 A/C Compressor Clutch Relay Control
33 0.5 TN 1274 5-Volt Reference
34 0.5 L-BU 1162 Accelerator Pedal Position Signal (2)
35-37 - - Not Used
38 0.5 WH 1579 Fuel Temperature/Composition Signal
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 D-BU/WH 7361 Manual Transmission Clutch Position Sensor Supply (MTX)
48 0.5 L-GN 6338 Manual Transmission Clutch Position Sensor Signal Position
49-50 - - Not Used
51 0.5 PK 139 Run/Crank Ignition 1 Voltage
52 0.5 RD/WH 140 Battery Positive Voltage
53 0.5 PU 1272 Low Reference
54-56 - - Not Used
57 0.5 D-BU/WH 6311 Cruise/ETC/TCC Brake Signal
58 - - Not Used
59 0.5 D-GN 335 Low Speed Cooling Fan Relay Control
60-62 - - Not Used
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 - - Not Used
68 0.5 OG/D-GN 7360 Manual Transmission Clutch Position Sensor Return
69 - - Not Used
70 0.5 YE 143 Accessory Voltage
71 - - Not Used
72 0.5 YE 5991 Powertrain Relay Coil Control
73 2.5 PK/BK 5290 Powertrain Main Relay Fused Supply (1)
Connector Part Information 
  • Harness Type: Engine
  • OEM Connector: 12615654
  • Service Connector: 13574782
  • Description: 73-Way F 0.64 2.8 Series, Sealed (BK with BU Terminal Position Assurance Lock)
Terminal Part Information 
  • Pins: 4-6, 9-10, 13-15, 20-22, 25-27, 30, 32-34, 38-40, 42, 44, 46-48, 51-53, 57, 59, 62-63, 66, 68, 70, 72
  • Terminated Lead: Pending
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Pin: 73
  • Terminated Lead: 13576392
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 7116-4152-02/9
  • Core/Insulation Crimp: A/5
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