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Silent DTC U3003?

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Old Apr 10, 2020 | 07:42 AM
  #1  
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Silent DTC U3003?

Was playing around with forscan today and happened to check my DTCs. Found this silent code in the PSCM. No CEL.

Have not found much info on google search.

Looks to be battery voltage related - truck has not seen much use lately due to quarantine. Any thoughts? I can put truck on a trickle charger.

Thanks

 
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Old Apr 10, 2020 | 07:52 AM
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Its a over amperage condition for the current battery state, looks like you have proper running voltage. The fault is from the BMS and the sensor on the negative side of the battery. Its essentially alluding to a impending battery failure. When you replace the battery make sure to use forscan to reset the BMS table and it will zero it out.
 
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Old Apr 10, 2020 | 07:56 AM
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Appreciate the quick response. Are these batteries known to go bad that quickly? Truck is an '18 with 10k miles. Garage kept but short trips. AutoSS has been disabled since new.

I would think this is warranty replacement but will probably need to wait for it to leave me stranded or a solid CEL.
 
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Old Apr 10, 2020 | 10:10 AM
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Originally Posted by Robbgt
Appreciate the quick response. Are these batteries known to go bad that quickly? Truck is an '18 with 10k miles. Garage kept but short trips. AutoSS has been disabled since new.

I would think this is warranty replacement but will probably need to wait for it to leave me stranded or a solid CEL.
My 2018 battery was junk at 20k, replaced it with a much better quality AGM and have had no issues after the install and BMS reset. I went with the Northstar X2AGM 98RH it was 329.00 from batteries and bulbs.
 
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Old Apr 10, 2020 | 11:04 AM
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Originally Posted by ford390gashog
My 2018 battery was junk at 20k, replaced it with a much better quality AGM and have had no issues after the install and BMS reset. I went with the Northstar X2AGM 98RH it was 329.00 from batteries and bulbs.
Wow, yea that's not long. I still had the factory battery in my '13 when I traded it in. Guess quality had gone down.

I'll keep an eye on it from now.

Appreciate the help
 
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Old Apr 10, 2020 | 11:35 AM
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There was a bunch of OEM AGM batteries that were defective or something. I don't recall the model year, but you may be able to find something about it here. Probably search for battery and AGM.
 
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Old Apr 10, 2020 | 11:45 AM
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Originally Posted by GlueGuy
There was a bunch of OEM AGM batteries that were defective or something. I don't recall the model year, but you may be able to find something about it here. Probably search for battery and AGM.
Thanks - I was not aware. Did some digging and looks like some trucks built up until March 17th 2018 could have defective battery.

I'm an October 18 build
 
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Old Apr 10, 2020 | 12:31 PM
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Mine lasted 2 years and 24k miles. It died pretty quick. Wouldn’t take a charge. Replaced it with a Deka battery and it has been trouble free since.
 
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Old Apr 10, 2020 | 01:55 PM
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Originally Posted by Robbgt
Thanks - I was not aware. Did some digging and looks like some trucks built up until March 17th 2018 could have defective battery.

I'm an October 18 build
The OEM AGM has to be the lowest price bid wins scenario. The defective battery issue is still present and Ford hasn't fixed it.
 
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Old Apr 11, 2020 | 04:48 AM
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Originally Posted by JKBrad
Mine lasted 2 years and 24k miles. It died pretty quick. Wouldn’t take a charge. Replaced it with a Deka battery and it has been trouble free since.
Thanks for the info. Where did you get the Deka battery? Haven't heard of that brand before.

Originally Posted by ford390gashog
The OEM AGM has to be the lowest price bid wins scenario. The defective battery issue is still present and Ford hasn't fixed it.
Understood - thanks
 
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Old Apr 11, 2020 | 11:13 AM
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I bought my battery from O’reilly’s, branded as Super Start. East Penn/Deka makes them. A highly regarded company if you research them online.
 
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Old Apr 11, 2020 | 11:25 AM
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Originally Posted by JKBrad
I bought my battery from O’reilly’s, branded as Super Start. East Penn/Deka makes them. A highly regarded company if you research them online.
Thanks, will check them out and Northstar batteries mentioned above.

I cleared the code and will monitor for now.
 
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Old Apr 30, 2020 | 07:16 AM
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Thoughts on this battery? Appears to be made by East Penn. I have a NAPA close by with it in stock plus there are some promos running now.

https://www.napaonline.com/en/p/NBE9848

Thanks

 
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Old Jan 25, 2023 | 07:14 PM
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Did you ever take care of this code? I have the same exact code.
 
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Old Jan 25, 2023 | 07:30 PM
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Originally Posted by 87Olds442
Did you ever take care of this code? I have the same exact code.
Replaced battery and reset BMS. Code never came back
 
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