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HOMESERVICE MANUALSCHEVROLET2010MALIBU LT, 3.6 7REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 948 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - E29RF THROUGH K33)COMPONENT CONNECTOR END VIEWSK20 ENGINE CONTROL MODULE X2 (LAU)
2010 Chevrolet Malibu LT, 3.6 7

K20 Engine Control Module X2 (LAU)

2010 Chevrolet Malibu LT, 3.6 7SECTION K20 Engine Control Module X2 (LAU)
WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: K20 Engine Control Module X2 (LAU) Connector End View
GM1360604Courtesy of GENERAL MOTORS CORP.
K20 Engine Control Module X2 (LAU)

Pin Wire Circuit Function
1 2 BK/WH 451 Ground
2 2 BK/WH 451 Ground
3 0.8 PK/BK 5290 Ignition Voltage
4 2 BK/WH 451 Ground
5 0.8 PK/BK 5290 Ignition Voltage
6 0.8 PK/BK 5290 Ignition Voltage
7 0.5 TN/WH 1423 HO2S Heater Low Control - Bank 2
8 0.5 BN 436 AIR Pump Relay Control
9 0.5 BN/WH 6281 Low Reference
10 0.5 D-GN/WH 465 Fuel Pump Relay Control
11 0.5 TN 5514 Low Reference
12 0.5 BN/WH 419 MIL Control
13 0.5 YE 492 MAF Sensor Signal
14 0.5 GY 2709 5-Volt Reference 1
15 0.5 D-BU 1161 APP Sensor 1 Signal
16 - - Not Used
17 0.5 OG/BK 1786 Park/Neutral Signal
18 - - Not Used
19 0.5 WH 1310 EVAP Canister Vent Solenoid Control
20-22 - - Not Used
23 0.5 TN/WH 1669 HO2S Low Signal - Sensor 2
24 - - Not Used
25 0.5 L-BU 1162 APP Sensor 2 Signal
26 0.5 L-BU 1937 Fuel Level Sensor Signal - Secondary
27 0.5 D-GN 890 Fuel Tank Pressure Sensor Signal
28 - - Not Used
29 0.5 PK/WH 2092 Fuel Economy Mode Switch Signal
30-33 - - Not Used
34 0.5 BN 1271 Low Reference
35 0.5 GY 2700 5-Volt Reference
36 0.5 PU 1589 Fuel Level Sensor Signal - Primary
37 - - Not Used
38 0.5 PU/WH 1668 HO2S High Signal - Sensor 2
39 0.5 OG/BK 380 A/C Refrigerant Pressure Sensor Signal
40 - - Not Used
41 0.5 D-BU 5985 Serial Data Wake - Up Signal
42 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
43-44 - - Not Used
45 0.5 GY 5127 Afterboil Coolant Pump Supply Voltage
46 0.5 D-GN 335 Low Speed Cooling Fan Relay Control
47 0.5 PU 1272 Low Reference
48 0.5 TN 1274 5-Volt Reference
49 0.5 WH/BK 1164 5-Volt Reference
50-51 - - Not Used
52 0.5 L-BU/WH 6311 Brake Pedal Switch Signal
53 - - Not Used
54 0.5 PK 439 Ignition Voltage
55 0.5 TN 2501 High Speed GMLAN Serial Data Bus -
56 0.5 RD/WH 440 Battery Positive Voltage
57 0.5 PU/WH 6386 Starter Relay Control
58 0.5 YE 5991 Powertrain Relay Control
Connector Part Information 
  • Harness Type: Engine
  • OEM Connector: 10866294
  • Service Connector: 19115599
  • Description: 58-Way F 280 Series Sealed (BK)
Terminal Part Information 
  • Pins: 1, 2, 4
  • Terminal/Tray: 1928498059/24
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: J-38125-561/J-35616-35 (VT)
  • Pins: 3, 5, 6
  • Terminal/Tray: 1928498058/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: J-38125-561/J-35616-35 (VT)
  • Pins: 7-15, 17, 19, 23, 25-27, 29, 34-36, 38, 39, 41, 42, 45-49, 52, 54-58
  • Terminal/Tray: 1928498135/19
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-16 (L-GN)
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.