DPF Electrical Fault
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Tuned
Joined: May 2003
Posts: 454
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From: College Station TX
DPF Electrical Fault
My 2015 F350 has had DPF problems so I unhooked the electrical connections to the unit looking for any issues. I found a rubbed wire on the rearward NOX sensor. I put everything back and started the truck and got an electrical fault. I looked back under and realized I had missed the connector on the top of the unit. I plugged it in but it is still saying it has a fault and will limit my speed to 50 MPH in so many miles. Does anyone know how to clear this?
2nd Gear
Joined: Feb 2025
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Ford Extended Their Warranty on the DEF heater and sending unit
My 2015 F350 has had DPF problems so I unhooked the electrical connections to the unit looking for any issues. I found a rubbed wire on the rearward NOX sensor. I put everything back and started the truck and got an electrical fault. I looked back under and realized I had missed the connector on the top of the unit. I plugged it in but it is still saying it has a fault and will limit my speed to 50 MPH in so many miles. Does anyone know how to clear this?
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Tuned
Joined: May 2003
Posts: 454
Likes: 1
From: College Station TX
Thanks for the reply. Turns out it was a couple of sensors that were bad and the DPF heater fault. I am out of warranty on the heater so $2600 later the truck runs better than it has in a while.
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