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HOMESERVICE MANUALSGMC2011SAVANA SPECIAL 4.8 AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 176 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - FUEL INJECTOR 6 THROUGH YAW SENSOR)COMPONENT CONNECTOR END VIEWSFUEL PUMP FLOW CONTROL MODULE (LMF)
2011 GMC Savana Special 4.8 A

Fuel Pump Flow Control Module (LMF)

2011 GMC Savana Special 4.8 ASECTION Fuel Pump Flow Control Module (LMF)
WARNING: This page is about a different car, the 2011 GMC Savana, 2011 Chevrolet RV Cutaway, 2011 Chevrolet Cutaway, and 2011 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Connector End View Fuel Pump Flow Control Module (LMF)
GM1711002Courtesy of GENERAL MOTORS CORP.
Fuel Pump Flow Control Module (LMF)

Pin Wire Circuit Function
1 2 BK 2150 Ground
2-4 - - Not Available
5 0.5 GY 7447 Low Reference
6 0.5 TN 2501 High Speed GMLAN Serial Data Bus (-)
7 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
8-9 - - Not Available
10 0.5 PU 7446 Fuel Line Pressure Sensor Signal
11-12 - - Not Available
13 0.35 D-GN/WH 465 Fuel Pump Relay Control - Primary
14 - - Not Available
15 0.5 PK 2739 Ignition Voltage
16 3 PK 1580 Low Reference
17 0.5 L-BU 5986 Serial Data Communication Enable
18-20 - - Not Available
21 0.5 TN 2501 High Speed GMLAN Serial Data Bus (-)
22 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
23-31 - - Not Available
32 2 RD/WH 1940 Battery Positive Voltage
33-35 - - Not Available
36 0.5 BN 7445 5-Volt Reference
37-43 - - Not Available
44 0.5 BK 1350 Ground
45-46 - - Not Available
47 3 GY 120 Fuel Pump Control
Connector Part Information
  • Harness Type: Chassis
  • OEM Connector: 13570966
  • Service Connector: 89047377
  • Description: 47-Way F ASG Series (BK)
Terminal Part Information
  • Pins: 1, 16, 32, 47
  • Terminated Lead: 13327187
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-42 (RD)
  • Terminal/Tray: 15476168/5
  • Core/Insulation Crimp: F/3
  • Pins: 5-7, 10, 13, 15, 17, 21-22, 36, 44
  • Terminated Lead: Pins: 5-7, 10, 15, 17, 21-22, 36, 44 - 13575378
  • Terminated Lead: Pin 13 - 13575379
  • Release Tool: J-38125-215A
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: SAITS-A03T-M064/14
  • Core/Insulation Crimp: 9/9
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:

  • • 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.