How do you drain the fuel tank using the fuel pump on a 2012 Yukon?

[haole396]

You could, just be careful of the pin out.
Engineers do this to piss us off and make us money at the same time because of failure.
They had the ABS module under there as well. Only lasted 2-3 years in the salt belt.

 

[testdepth]

You could, just be careful of the pin out.
Engineers do this to piss us off and make us money at the same time because of failure.
They had the ABS module under there as well. Only lasted 2-3 years in the salt belt.

Apparently this module has a high failure rate because its located UNDER the truck where it will get wet, muddy and dirty.

 

[haole396]

Before we go putting the cart before the horse… if you can, put a fuel pressure gauge on it, should be at least 55-60 psi. If not, check for power at the module output to the pump, should be 12v or around there. If you have both, then it’s a bad pump assy. If it’s the fuel control module, it needs to be flashed (programmed) after install.

 

[torinodan]

Before we go putting the cart before the horse… if you can, put a fuel pressure gauge on it, should be at least 55-60 psi. If not, check for power at the module output to the pump, should be 12v or around there. If you have both, then it’s a bad pump assy. If it’s the fuel control module, it needs to be flashed (programmed) after install.

Finally, a copy of a shop manual. There is a relay, think they had the same people that made the IPCM for Nissan make this one too.
Don't forget Ford put their fuel pump control on the bottom of F150s for failure too. All about money.