P2043 - DEF temp error
Thread Starter
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Cargo Master
Joined: Sep 2007
Posts: 2,470
Likes: 535
From: Chandler, AZ
P2043 - DEF temp error
CEL on, only Code 2043 present, 'historic fault'. Cleared with Torque, CEL came back next day. Did some research and found some old threads with broken links, owners with warranty, backorders, general bitching and complaining. So looking to start a 2019 thread with information on the parts and procedure. Sounds like I have to replace the DEF heater/temp sensor assembly. Who has done it? I live in area with emissions inspections, otherwise I would consider weight loss.
Question: Will P2043 put truck into limp mode (eventually)? Can this code be ignore until other related codes are (P205C) thrown?
2014, 45k miles. Almost 6 years now truck has been flawless, never been back to dealer or needed any repairs (no re-flashes). 3y36k warranty expired.
Looks like base PN is 5J225
there are also some generic brand parts for less $
Question: Will P2043 put truck into limp mode (eventually)? Can this code be ignore until other related codes are (P205C) thrown?
2014, 45k miles. Almost 6 years now truck has been flawless, never been back to dealer or needed any repairs (no re-flashes). 3y36k warranty expired.
Looks like base PN is 5J225
there are also some generic brand parts for less $
Posting Guru
Joined: Aug 2007
Posts: 1,902
Likes: 26
From: BA, OK
The part number in that amazon link doesn't jive with Ford. The part number shown is the tank itself, however the image is the reductant tank heater.
The part you need is Reductant tank heater - Ford (BC3Z-5J225-L)
If I remember correctly that part is available from dorman for about $150 but I don't remember the site that sells it at that price.
The part you need is Reductant tank heater - Ford (BC3Z-5J225-L)
If I remember correctly that part is available from dorman for about $150 but I don't remember the site that sells it at that price.
Thread Starter
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Cargo Master
Joined: Sep 2007
Posts: 2,470
Likes: 535
From: Chandler, AZ
The part number in that amazon link doesn't jive with Ford. The part number shown is the tank itself, however the image is the reductant tank heater.
The part you need is Reductant tank heater - Ford (BC3Z-5J225-L)
The part you need is Reductant tank heater - Ford (BC3Z-5J225-L)
Edit:
There is a 5J225-L and a 5J225-M
Looks like the -L is for pickup and -M is for chassis cab.
I have updated the amazon link in original post with -L
Thread Starter
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Cargo Master
Joined: Sep 2007
Posts: 2,470
Likes: 535
From: Chandler, AZ
The older threads I have found state that the emissions warranty does not cover it. There are some newer ones in 2018 range that state ford has a Customer Satisfaction Program for it, but limited model coverage. Worth a call.
https://ford.oemdtc.com/3768/custome...d-f-super-duty
Post Fiend
Joined: Nov 2001
Posts: 6,748
Likes: 118
From: Tallassee, ALabama
Ask the Ford service dept if your truck is covered under the FSA (field service action) 18M01 Reductant heater and Sender Assembly Repair.
You might check with FordPass app and your VIN or create an owner account on the Ford Owner site.
Official Ford, Lincoln & Mercury Owner Site Personalized Owner Information
You might check with FordPass app and your VIN or create an owner account on the Ford Owner site.
Official Ford, Lincoln & Mercury Owner Site Personalized Owner Information
Thread Starter
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Cargo Master
Joined: Sep 2007
Posts: 2,470
Likes: 535
From: Chandler, AZ
Also asked about emission warranty. 5y50k is expired, the 8y80k does not cover PN 5J225-L. On my own on this one. Job doesn't look too fun, but not that bad either, with a lift anyhow
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Posting Guru
Joined: Aug 2007
Posts: 1,902
Likes: 26
From: BA, OK
Perhaps I'm confused. The base PN you provide above is 5J225. The amazon link is also 5J225. The tank itself is 5J250 according to parts.ford.com
Edit:
There is a 5J225-L and a 5J225-M
Looks like the -L is for pickup and -M is for chassis cab.
I have updated the amazon link in original post with -L
Edit:
There is a 5J225-L and a 5J225-M
Looks like the -L is for pickup and -M is for chassis cab.
I have updated the amazon link in original post with -L
The image below shows the part numbers for your truck in this catalog.
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Thread Starter
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Cargo Master
Joined: Sep 2007
Posts: 2,470
Likes: 535
From: Chandler, AZ
My VIN had 2 other extensions for exhaust temp sensor and crankcase oil separator, but not the DEF.... anyhow thanks for the info.
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Cargo Master
Joined: Sep 2007
Posts: 2,470
Likes: 535
From: Chandler, AZ
Been able to drive truck without issue over last week or so. Found out that the remote start will not work with the CEL on, so cleared the code but comes back after a drive cycle.
I'm assuming that after I replace the sensor, the fault code will only go away after a number of passed self tests. I believe the test for P2043 is done only after truck is cooled down and not restarted for 6 hours.
I have found some info on reprogramming/re-calibration as a method to fix this fault, but the affected date range is 11/7/2013 through 12/10/2014 and my truck was build before that in 09/2013.
https://ford.oemdtc.com/465/malfunct...d-f-super-duty
Link to VIN lookup tool
Recall Notices| Ford, Lincoln & Mercury Owners | Official Ford Owner Site
Is is possible to monitor this temp sensor's PID with torque? That way I can see how far off the value really is compared to real ambient temp and sensor in the grill.
I'm assuming that after I replace the sensor, the fault code will only go away after a number of passed self tests. I believe the test for P2043 is done only after truck is cooled down and not restarted for 6 hours.
I have found some info on reprogramming/re-calibration as a method to fix this fault, but the affected date range is 11/7/2013 through 12/10/2014 and my truck was build before that in 09/2013.
https://ford.oemdtc.com/465/malfunct...d-f-super-duty
Link to VIN lookup tool
Recall Notices| Ford, Lincoln & Mercury Owners | Official Ford Owner Site
Is is possible to monitor this temp sensor's PID with torque? That way I can see how far off the value really is compared to real ambient temp and sensor in the grill.
New User
Joined: Nov 2016
Posts: 1
Likes: 0
2016, P2043 code
Thanks for all of the info here! Almost a month ago while in the middle of a 3200 mile vacation, my check engine light came on. 2016 F350 with 61,000 miles at the time. I scanned it with my Edge Insight and got the P2043. Everyone is telling me it is about a $3500 fix! Everything I am reading suggests it is a $200 part that I can do myself. I guess my main question here is there a simple test to verify it is the heater before tossing $200 at it? Thank you!
Thread Starter
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Cargo Master
Joined: Sep 2007
Posts: 2,470
Likes: 535
From: Chandler, AZ
Thanks for all of the info here! Almost a month ago while in the middle of a 3200 mile vacation, my check engine light came on. 2016 F350 with 61,000 miles at the time. I scanned it with my Edge Insight and got the P2043. Everyone is telling me it is about a $3500 fix! Everything I am reading suggests it is a $200 part that I can do myself. I guess my main question here is there a simple test to verify it is the heater before tossing $200 at it? Thank you!
I have not fixed mine yet. Sometimes CEL comes back on, sometimes not. Perhaps due to really hot weather here since the code is set due to difference between 2 temp sensors and each has it's own temperature related error (gain/offset).
New User
Joined: Jul 2019
Posts: 1
Likes: 0
I just got my '12 (117K miles) back from the dealer after recurring P2043 codes. My DEF fluid range has been acting weird for the past few months (showing 500 mile range when it's 3/4 full) and the code came up last week. Ford paid for the PCM reprogramming which is all they will do under 18M01 if you are only showing P2043. I would try that and see if it works. You need to show the 2 other codes (DTC’s P205C, P205D) and apparently they will replace the heater only and reprogram PCM. It's only been a day but the code seems gone for now. If it comes back, delete time for me. I've had enough after an EGT sensor disabled the truck at 90K and now this. I already replaced the cold air intake with H&S after it blew at 80K so will not need to upgrade that with the new tuner.
