Truck wont start

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tkfishing8th

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Location
Minnesota
Ram Year
2014
Engine
Hemi 5.7
I have a 2014 Laramie with the 5.7 Hemi. Tried starting my truck this morning....pushed the start button, lights on the dash came on normal. Heard a click from the engine. Wont start. Got three sensor errors on the dash. Service trailer brake system, service electronic brake system and service antilock brake system. I disconnected the negative battery cable for 30 seconds. Still have the same errors.
 

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turkeybird56

Military Vet 1976-1996 Retired US Army
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Ram Year
2019 Bighorn, 4 X 4, 3.21 rear, Bright Flame Red Pearl Coat, Mopar tonneau cover,Westin Bed rug
Engine
Hemi 5.7
Battery be 1st thing to check, cables etc,., and put a multi meter on the battery and see what it reads. Should be in the 12.6 V area. If under 12V, an issue, much more, battery issues.

If U do get battery, charge to full when U can, and reset IBS also.
 
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tkfishing8th

Junior Member
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Aug 20, 2023
Posts
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Location
Minnesota
Ram Year
2014
Engine
Hemi 5.7
Battery be 1st thing to check, cables etc,., and put a multi meter on the battery and see what it reads. Should be in the 12.6 V area. If under 12V, an issue, much more, battery issues.

If U do get battery, charge to full when U can, and reset IBS also.
Tested batter and got 9.11V. Going to get a new battery soon....what do you mean by reset IBS?
 

turkeybird56

Military Vet 1976-1996 Retired US Army
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Ram Year
2019 Bighorn, 4 X 4, 3.21 rear, Bright Flame Red Pearl Coat, Mopar tonneau cover,Westin Bed rug
Engine
Hemi 5.7
Tested batter and got 9.11V. Going to get a new battery soon....what do you mean by reset IBS?
Intelligent Battery Sensor, it will read and store last charging session along with links to other modules. When U change out a battery, U "should" reset it so it reads new system with battery. Done by leaving negative off battery at least 2 hours on a RAM. Other brands done through OBD port like Ford, BMW, MB. U could charge the battery to full while waiting to reattach negative cable at home. Do as U see fit, I am not a mechanic, just did as RAM House told me to do when I had issues with my 5th Gen truck. All IMHO.

ADDED: When U reset like that, it may be a bunch of drive cycles till all the modules reset and talk to each other, like on MY 19, it took 3 drive cycles till my Cruise started to work, just FYI.

Again, U do as U feel good with, NEVER follow one persons' Internet guessnosis, research and be good with it.
 

turkeybird56

Military Vet 1976-1996 Retired US Army
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2019 Bighorn, 4 X 4, 3.21 rear, Bright Flame Red Pearl Coat, Mopar tonneau cover,Westin Bed rug
Engine
Hemi 5.7
Tested batter and got 9.11V. Going to get a new battery soon....what do you mean by reset IBS?
Battery toast. Now remember, there may be other issues that is draining your battery so once U change out keep a close eye on battery, test new one with multi meter for a while. But again, U do as what works for U, I am no mechanic, just a BOIRD.
 

62Blazer

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2016
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6.4
Battery is always the #1 suspect when this happens. Pretty common for the lights and stuff to come on as they take only a fraction of the amount of power as actually starting the engine. It is worthwhile to make sure the battery is dead and just didn't get drained. Part of this depends on how old the battery is also....if it's over 3 years old a good chance it's just bad. If it's newer could just be drained. Most chain auto parts stores will at least do a basic test on it.
 
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