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HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 345 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - F THROUGH H)COMPONENT CONNECTOR END VIEWS - F THROUGH HFUEL PUMP FLOW CONTROL MODULE (EXCEPT L96)
2009 Chevrolet Tahoe Base, 4.8 C

Fuel Pump Flow Control Module (except L96)

2009 Chevrolet Tahoe Base, 4.8 CSECTION Fuel Pump Flow Control Module (except L96)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 GMC Yukon XL, 2010 GMC Yukon, 2010 Chevrolet Tahoe, 2010 Chevrolet Suburban, and 2010 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Fuel Pump Flow Control Module (except L96)
GM1711002Courtesy of GENERAL MOTORS CORP.
Fuel Pump Flow Control Module (except L96)

Pin Wire Circuit Function
1 3 BK 2250 Ground
2-4 - - Not Available
5 0.5 GY 7447 Low Reference
6 0.5 TN 2501 High Speed GMLAN Serial Data -
7 0.5 TN/BK 2500 High Speed GMLAN Serial Data +
8-9 - - Not Available
10 0.5 PU 7446 Fuel Line Pressure Sensor Signal
11-12 - - Not Available
13 0.5 D-GN/WH 465 Fuel Pump Primary Relay Control
14 - - Not Available
15 0.5 PK 439 Run/Crank 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 -
22 0.5 TN/BK 2500 High Speed GMLAN Serial Data +
23-31 - - Not Available
32 3 RD/WH 1940 Battery Positive Voltage
33-35 - - Not Available
36 0.5 BN 7445 Reference Voltage
37-43 - - Not Available
44 0.5 GY 7443 Fuel Pump Flow Control Module Shield Extension
45-46 - - Not Available
47 3 GY 120 Fuel Pump Control
Connector Part Information 
  • Harness Type: Chassis
  • OEM Connector: 13570967
  • Service Connector: 19168025
  • Description: 15-Way F 0.64 6.3 Sealed (BK)
Terminal Part Information 
  • Pins: 1, 16, 32, 47
  • Terminated Lead: Pending
  • 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: Pending
  • Release Tool: Pending
  • Diagnostic Test Probe: Pending
  • Terminal/Tray: Pending
  • Core/Insulation Crimp: Pending
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.