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-   -   Truck won't start, lots of flashing lights on dash (http://www.ramforumz.com/showthread.php?t=113421)

Unknown303 05-24-2012 01:50 PM

Truck won't start, lots of flashing lights on dash
 
So I've had my 2010 Ram 1500 Sport not start on me a couple times this last week. When I try to start it all the interior stuff goes normally I can hear the fuel pump start but it won't even try to roll over, no starter nothing. And for some reason during this episode the parking assist button turns off somehow..

I've found disconnecting the ECM (all four connectors) and reconnecting them gets me on my way somehow, but it just happens again at some random interval. Has anyone came across this before? I've found some posts relatively similar but this happens completely at random, the grade I'm parked on doesn't matter. It's happened with low fuel and a full tank, etc.

Edit: Crap just realized I should have put this in the 4th Gen Help Zone...
http://www.ramforumz.com/forumdisplay.php?f=193

moparornocar72 05-24-2012 05:29 PM

I know with most mopar products if the battery voltage is low enough it will "trick" the anti-theft into thinking the car is actually being stolen and will not crank. I would not recommend disconnecting the ecm anymore. i would start narrowing it down starting with the battery. go to your local auto store and have them check the battery and see how many cold cranking amps you have out of how many it should have. good luck!

primo spaghetti 05-24-2012 09:04 PM

:iagree:

as crazy as it sounds, a faulty battery cell can cause a whole bunch of weird things to happen.

Unknown303 05-24-2012 10:15 PM

Well hopefully tomorrow I can get the battery tested and start from there.

redlightmike 06-03-2012 12:12 AM

im gonna agree with the battery reply.. my dad has an 05 and when his battery went south the truck done all kinds of crazy things..

Unknown303 07-28-2012 09:37 PM

Though I should update. After reseating damn near every connector under the hood I haven't had the problem again. I wish I noticed which one it was now but there was one connector under there going into the PCM that didn't have the red tab in the locked position and appeared to be slightly loose. After reseating everything it's been running perfectly and haven't had the issue since.

So anyone who is having this problem, I'd be double checking all of the connectors and making sure everything is seated properly.

dkerr24 07-31-2012 08:20 AM

I had a similar no-start situation with mine the other day after backing it out of the garage to wash it.

My issue turned out to be the aftermarket key that I bought. The factory fob started the truck without any hesitation.

Speaking of the battery in our trucks, do you guys think the insulation wrapped around the battery helps with battery life? It's been over 105F here everyday which has got to be tough on vehicle batteries.

Darin

OzPlanet 08-01-2012 12:23 AM

I thought the wrap was a heater for cold weather ?

sj1400 08-07-2012 11:24 PM

My aftermarket alarm does this due to the remote start interface. This randomly occurs every blue moon. I take the key out and open the door. Starts normally after that.


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