DEF Fault codes
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Cargo Master
Joined: Feb 2008
Posts: 2,862
Likes: 44
From: Tooele, UT
DEF Fault codes
Ok guys here is my situation. I had to replace my DEF heater. There was something I needed to run to the parts store to get to finish the job but my wife had the car at school and I didnt have the car seats to take my boys so I figured I would change the oil and fuel filters while I waited for my wife to get home. Well I cycled the key a bunch of times to prime the fuel system and I got the "in 50 miles speed will be reduced to 50 mph" message. I didnt think anything of it because my whole DEF system was sitting on the floor so I figured that was normal. Well I got everything put back together and now I'm getting a P130E and P204E code. They wouldn't clear with forescan. Took it for a drive thinking the pump just needed some time to prime. That didnt work. So I started researching those codes and found out they are permanent codes that cant be reset with a code reader. Anyone know how to get those codes to reset? I read something about having to have a certain amount of drive cycles to reset the code after repairs were made. Anyone know how many that is? I've got to make a trip from Utah to Washington state next week so I need to get this taken care of asap.
Post Fiend
Joined: Nov 2001
Posts: 6,748
Likes: 118
From: Tallassee, ALabama
You are going to have to perform a drive cycle. There was a recent thread that had a similar problem created as you did with your truck.
Watch this video. It might be the answer to your problem.
Watch this video. It might be the answer to your problem.
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Cargo Master
Joined: Feb 2008
Posts: 2,862
Likes: 44
From: Tooele, UT
Thanks Just Strokin, I think I'm just gonna pay the dealer to do it after I replace everything. The problem should be corrected but since I'm on the road a lot I figured I would just replace the pump and wiring harness as well for piece of mind. Once I've done that I'll have the dealer clear the codes. I tried it once and now I'm down to 11 miles to speed limiting.
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Roy Jackson1
1987 - 1996 F150 & Larger F-Series Trucks
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Jun 28, 2010 10:52 PM
