2012 Camaro SS P023f

[AmericanHP]

Installed a Fore twin-pump return system and wanted to keep the pressure sensor, so I'm keeping the FPCM and using the old pump power wire to signal the Fore pump controller. Problem is I can't get the FPCM to output more than 10v, so the P023f gets set. As an experiment I tied in a BAP and the code went away but with the FPCM freaking out trying to regulate the voltage, the pump controller became erratic and fuel pressure was all over the place. Has anyone tried putting in a resistor somewhere in the circuit? Or is there another solution? if I could get that damn FPCM to kick out another two volts I'd be golden!

[AmericanHP]

No input? Will be getting back on this one soon, l will update if/when a solution is found.

[Kyle_Customizer]

Are you trying to use the PWM signal for the original pump to power the Fore controller? I'm not sure that's going to work since the module will sense there's no load on the circuit. It's been a while, but I though most people used the FPCM ignition feed to signal the controllers for aftermarket pumps. If memory serves its only a 7.5a circuit, so its not one for carrying a load, but to switch a control device should be fine. Although this would make the fuel pump run with the key-on, makes me think this is what you're avoiding. I wonder if a resistor would work, like your asking? I would imagine custom programming of the FPCM would be necessary so it would stay in one particular state and not vary the voltage. Interested in what you find out.

[AmericanHP]

So how do I gain access to the FPCM programming?

[GHuggins]

Just reread the vehicle. Should show up if you have one.