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2012 2500HD 6.0 Fuel Pump Control Module Location

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Old Nov 14, 2024 | 11:21 PM
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Originally Posted by DubyaP64
It’* a precision pump from oreillys. Everything I’ve read said the filter is internal on the pump? I live in Oklahoma
I’m the third owner and it’* been in Oklahoma since it was new
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Old Nov 14, 2024 | 11:44 PM
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Ah okay, one of those.

When it goes out, does it just quit, or go low pressure, or something else?
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Old Nov 15, 2024 | 07:20 AM
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Originally Posted by CathedralCub
Ah okay, one of those.

When it goes out, does it just quit, or go low pressure, or something else?
They just quit. Just random no starts
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Old Nov 17, 2024 | 06:10 PM
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I'd like to know if you can hear the fuel pump before starting the car when it works properly.

Then, I'd like to know if you can hear the fuel pump before starting the car when it refuses to start.

For each:

1. Turn ignition on to [Run] but not [Start]
2. Hear the fuel pump run
3. Turn to start to crank engine

Apologies for being so specific. Part of the joy of not knowing you and your skill level, and diagnosing from the far side of the Internet.
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Old Nov 17, 2024 | 06:42 PM
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When it is working properly you can hear it before starting. When it’* not starting you can’t hear the pump. I have checked all the fuses and relays and even replaced the fuel pump relay just as a precaution. Starting to think maybe I have a malfunctioning control module that’* eventually frying the pumps over time?
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Old Nov 17, 2024 | 07:53 PM
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Could be. I'd check voltage coming out of the fuel pump module next.
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Old Nov 17, 2024 | 09:41 PM
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I’ll try to do that tomorrow. I know I’ve got 12 volts to the module but I didn’t check the module to the pump
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