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Old Oct 8, 2020 | 10:47 AM
  #16361  
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98 F150 5.4L E40D/4R100
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Originally Posted by OhioLariat
You could pull the key out of one of the step vans we had in Minot, too. That was the same one that I could use my Pontiac key on. Messed people up when the van was gone but the key was still hanging on the board.
Lol, I don't think the ignition will turn without a key yet in the 98, not that far gone. It might be tho! Heck, all they said is it falls out lol.

Last edited by Jbrew; Oct 8, 2020 at 10:49 AM.
Old Oct 8, 2020 | 11:34 AM
  #16362  
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P0232: The PCM monitors the fuel pump monitor (FPM) circuit. This test fails when the PCM detects a voltage on the FPM circuit while the fuel pump is commanded off. The FPM circuit is wired to a pull-up voltage inside the PCM. The PCM circuit will go high, with the key on and the fuel pump commanded off, the FPM / FP PWR loses its path to ground through the fuel pump. The FPM will also go high if the FPM / FP PWR circuit is shorted to power.

Possible causes:

Inertia switch not rest.
Open circuit between the fuel pump and the FPM connection to the FP PWR circuit.
Poor fuel pump ground.
Fuel pump electrically open.
Fuel pump secondary circuits short to power.
Fuel pump relay circuits always closed.
Open FPM circuit between PCM and connection to FP PWR circuit.
Damaged low speed fuel pump relay or concern with the related circuit (if equipped).
Damaged PCM.

Reference my last 2 posts.
Old Oct 8, 2020 | 12:47 PM
  #16363  
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Tossed in a new ignition switch. Now the truck does absolutely nothing. Wont start, wont click, nothing. Reran the codes and now I have the original codes PLUS P1832 Transmission Transfer case 4wd solenoid circuit failuter and P1824 4 wheel drive clutch relay circuit failure. Have to run some errands but ill be putting the original ignition switch back in i guess.
Old Oct 8, 2020 | 12:53 PM
  #16364  
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It's been a spell.... but that fuel pump and t-case harnesses might run together in the same loom part of the way.
Old Oct 8, 2020 | 03:17 PM
  #16365  
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So in a twist of events... I found ONE problem... praying its my ONLY problem but my luck its just one of many problems lol. Dealership can get the part overnight and they are the cheapest/quickest option. So hopefully tomorrow I will install this and my truck runs... hopefully.
Old Oct 8, 2020 | 03:36 PM
  #16366  
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I think that is only used to tell you if you leave your key in the ignition. I actually repaired mine, and that was the only function mine has..... but mine is a 97, so maybe Ford used it for something else later on.
Old Oct 8, 2020 | 04:38 PM
  #16367  
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Fordguy,

From my reading this is probably a good thing. About B1352, the likely causes for the DTC is the chime circuit, the ignition switch or the PCM. But there was also this about the P0232 DTC:

""The PCM power diode is put into the fuel pump and PCM relay power circuit to prevent power surge feedback into the circuit called flyback voltage that can be higher than normal operating voltage. The computer may get flyback voltage surge and may damage power circuits inside the PCM if the diode was not used or is shorted letting voltage to flow both ways.""

Power to the FPM is from the PCM but initiated by the ignition switch when operating normally. Better a switch than the PCM and back to your original question, these two codes have a relationship with the ignition switch along with the seat belt light and could explain why the PCM self test couldn't be completed for the P1000 DTC.

Last edited by River1; Oct 8, 2020 at 04:46 PM.
Old Oct 8, 2020 | 04:42 PM
  #16368  
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Originally Posted by white89gt
I think that is only used to tell you if you leave your key in the ignition. I actually repaired mine, and that was the only function mine has..... but mine is a 97, so maybe Ford used it for something else later on.
It also controls the drivers door open chime and the chime for the headlights left on when the key is removed.
Old Oct 8, 2020 | 05:09 PM
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Well I will find out tomorrow if that does anything for me lol.
Put the old ignition back in, back to my old problems (so not sure why new ignition switch wouldnt start but old one will)
Old Oct 8, 2020 | 06:24 PM
  #16370  
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2100 It won't crank if the key for your 03 isn't programmed to the PATS. Won't do anything. I think that is the key problem/



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