The batteries should be replaced together, how old is the driver’s side battery? Also check your alternator output voltage to make sure you are not over charging the batteries.Originally Posted by jgruberman
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The batteries should be replaced together, how old is the driver’s side battery? Also check your alternator output voltage to make sure you are not over charging the batteries.
2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.
watersupply189 liked this post
So far, all I am still dealing with is the u1412 error code. I don't know if this is related to power issues or something else. I was reading somewhere something about trailer harness connections but I'm not sure if that would impact this at all
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Correct me if I'm wrong
The passenger battery is only for aux power and internal?
As the driver side is for the function of starting?
The fact the air compressor struggled due to the weaken battery, could the issue start at the ground for the compressor?
I know they can draw a bit of juice especially when wires get loose from vibration
Which could be the culprit for the dead battery and codes are generated because of the inadequate voltage being detected?
I as well have onboard air / train horn kit
II 60HP STICKS, II 33% CP3, II S464 2ND GEN SWAP, FASS 165 TITANIUM SIGNATURE SERIES, AFE INTAKE HORN, S&B FILTER, 5" TURBO BACK, ALPHAREX HEAD LIGHTS, 38X13.5X20 RAZOR M/T, MOTO METAL RIMS, 6" LA LIFT KIT, COMPLET MM3 KIT, BUILT TRANSMISSION, 6 BOLT REDHEAD STEERING BOX
The driver side battery was replaced October 2020 so is technically still in warranty, which is why they were unable to replace it despite not having a strong reading.
The truck seemed to start okay this last time, and there were no power related error codes thrown on my drive back home. These two batteries were replaced a year apart based on the warranty sticker and the one that was just replaced today was 34 months old.
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Again it’s always recommended to replace them in pairs; being the other battery is still relatively new you may get away with it.
Please keep us posted.
I have added a link to that exhaust manifold plug in your other post.
2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.
IGOTACUMMINS thanked for this post
The batteries are connected in parallel.
Both batteries are used for everything.
2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.
IGOTACUMMINS thanked for this post
Well, so far, no starting issues, just the remaining CEL codes that I can't shake.
Don't think they are related to the voltage, though.
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IGOTACUMMINS thanked for this post
Did you clear the previous codes? What codes are you still seeing? I will be home in about an hour and will look them up for you.
2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.
Corkey thanked for this post
U1412 and P0501. I have an ABS light on, a service electronic throttle system, service trailer brake system, and four-wheel drive temporarily unavailable message... Oh, and no working speedometer
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Since one of the messages was related to the trailer, I thought it would be worth mentioning that the other day I was towing using my seven blade plug and it was pouring rain outside.
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