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P02509 and P0562 low voltage codes P02509 and P0562 low voltage codes
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Old 12-14-2010, 08:12 PM
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Join Date: Apr 2010
Location: N. Calif.
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Originally Posted by shadowman513 View Post
Well i did all the checks and everything checked out so i went back to the batterys again.batterys passed load test but i decided to check the voltage after setting over night and the temp in the 30's.I found that at tis time the driver side battery was showing only 10 volts while the right side was 12.45. if checked any time in the day after running they both showed 12.45.removed the left battery and took back to advance and explained what was happing and tey warr the batt. reinstalled and have cleared all codes.Have had 2 mornings with the temp in the 20's and the engine has started both times and no codes.Never had a battery pass a load test and not be good but it can happen.Thanks everyone for your input.
Both of my batteries showed 12.2x volts and that was enough to throw codes and battery tester said both were defective.
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Old 12-15-2010, 06:15 AM
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Well I for one have learned a lot, thanks for sharing!

Now I have to wonder how much further my 3 year old batteries will go?
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Old 12-15-2010, 11:22 PM
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Originally Posted by Squid View Post
Well I for one have learned a lot, thanks for sharing!

Now I have to wonder how much further my 3 year old batteries will go?
NOt Much I went 3 years, 5 months
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Old 12-16-2010, 05:04 PM
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My batteries have been acting up too. I had to have them on the charger a few times and they are just about at 3 years old. CRAP!
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Old 12-19-2010, 04:05 PM
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Location: Farmington, NM
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Batteries are very sensitive to cold, they decrease power almost exponentially when below freezing, I recommend gel cell or optima type batteries for low temp areas because bottom line, they dont have water in them. Dodge sells a battery blanket to help the frozen battery situation..
Nice insight though about letting them cool down then test them!
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  #16 (permalink)  
Old 12-22-2010, 04:07 PM
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If you go AGM battery, think about Odyssey Model 65-PC1750T (for a 6.7L diesel) vs Optima. Much better battery, direct replacement, longer life. Seems to take abuse far better and better warranty services.

General specs, look for the above model: ODYSSEY Batteries - Battery Specifications

My batteries, little over 2 years old are leaking ..... Batteries also hate vibration ..... Go figure, a diesel truck with batteries right next to the engine is bound to see vibration and what a surprise to see battery problems. So pissed ! Working on getting local quotes on the above batteries.
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Old 12-22-2010, 04:29 PM
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More info in Odyssey batter for those interested:

Owner Manual: http://www.odysseybattery.com/docume...M-008_1010.pdf
Tech Manual: http://www.odysseybattery.com/docume...M-001_0406.pdf
Warranty: http://odysseybattery.com/documents/...-WS-9_0510.pdf

Website: ODYSSEY Batteries - Official Manufacturer's Site

Cheers.
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Installed: CAI, HitchCrafter Air 5th Wheel, Spyntec Dually Hubs, ATS Co-Pilot, Smarty, Edge Insight, 19.5 Wheels, FS-2500 ByPass Filter, 4 Fuel Filter Setup, BodyGuard Triple Side Steps

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  #18 (permalink)  
Old 12-29-2010, 10:18 AM
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Just made a trip to FT Smith for christmas i live in Northwest Fl and had temps while there in the teens and the batteries have performed well and no codes so the battery was the whole problem.
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