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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 (LAF) Connector End View
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K20 Engine Control Module X1 (LAF) 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 (LAF) Connector End View
GM2470482Courtesy of GENERAL MOTORS CORP.
K20 Engine Control Module X1 (LAF)

Pin Wire Circuit Function
1-3 - - Not Available
4-5 - - Not Used
6 0.5 OG/BK 380 A/C Refrigerant Pressure Sensor Signal
7-8 - - Not Available
9 0.5 D-GN 890 Fuel Tank Pressure Sensor Signal
10 0.5 GY 2709 5-Volt Reference 1
11-13 - - Not Available
14 0.5 WH/BK 1164 5-Volt Reference 4
15 0.5 D-BU 1161 Accelerator Pedal Position Signal (1)
16-19 - - Not Available
20 - - Not Used
21 0.5 GY 2700 5-Volt Reference 1
22 0.5 TN 5514 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 - - Not Used
28-29 - - Not Available
30 0.5 BN 1271 Low Reference
31-32 - - Not Available
33 0.5 TN 1274 5-Volt Reference 3
34 0.5 L-BU 1162 Accelerator Pedal Position Signal (2)
35-38 - - Not Available
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 Available
42 0.5 D-BU 473 High Speed Cooling Fan Relay Control
43 - - Not Available
44 0.5 D-GN/WH 465 Fuel Pump Primary Relay Control
45 - - Not Available
46 0.5 BN/WH 419 Check Engine Indicator Control
47-50 - - Not Available
51 0.5 PK 439 Run/Crank Ignition 1 Voltage
52 0.8 RD/WH 440 Battery Positive Voltage
53 0.5 PU 1272 Low Reference
54-56 - - Not Available
57 0.5 L-BU/WH 6311 Cruise/ETC/TCC Brake Signal
58 - - Not Available
59 0.5 D-GN 335 Low Speed Cooling Fan Relay Control
60-61 - - Not Available
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 Available
66 0.5 WH 1310 EVAP Canister Vent Solenoid Control
67 - - Not Used
68-69 - - Not Available
70 0.5 D-BU 5985 Accessory Wakeup Serial Data
71 - - Not Available
72 0.5 YE 5991 Powertrain Relay Coil Control
73 2 PK/BK 5290 Ignition 1 Voltage
Connector Part Information 
  • Harness Type: Engine
  • OEM Connector: 13705619
  • Service Connector: Pending
  • Description: 73-Way F Sealed (BU) with (BK) case
Terminal Part Information 
  • Pin: 52
  • Terminated Lead: Pending
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: K/K
  • Pin: 73
  • Terminated Lead: Pending
  • Release Tool: 12094429
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 1326030-8/17
  • Core/Insulation Crimp: A/4
  • Pin: All Others
  • Terminated Lead: Pending
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J