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Electrical issues 2020 R/T AWD

11K views 37 replies 9 participants last post by  pridbor  
#1 ·
Hello...
brand new to this, so hopefully in the right place. I bought my 2020 R/T AWD Sept 2021, used. After our first snow, had electrical issues (a month after purchase)
Over about 4-5 months, she was in the shop 5 different times, totalling 11 weeks, for the "same" issues. They put new battery, was fine a couple weeks then dead. They replaced a computer piece... and then dead again... long story short the final visit they found a short in alternator and replaced it. Car has been great until now, a day after our first snow, she's dead again. She was making noises that sound like something is trying to turn on, and off, while I'm not in the car. Then it said to service the Electornic stability control... then engine light and other lights flashing. A few months back I noticed water had leaked onto my floor mat by the emergency brake. thought that was weird, but honestly didn't want to take back to dealer for fear it would be there an extended period of time. Not sure if that could somehow be related to the electrical issues. Anyone have any ideas???
I'm getting her back to the dealer on Monday. thank you for any advice
 
#2 ·
If you have a sunroof your drains from it may be clogged. That usually results in water inside the car and into the electronics behind the left footwell panel.
 
#5 · (Edited)
Either the "new" battery has failed, or there is one or more computer modules not going to sleep.
Might also be some moisture in one of the underhood power distribution boxes, causing partial shorts/drains etc.

When you try to jump it, allow the jump vehicle to idle about 10 minutes before you attempt to start. Make sure that all things are turned off, as in lights/radio, etc. That way, all of the power will be available for the starter

Don
 
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#8 ·
Usually, a bad module/computer will not go to sleep as it should after a specified time period of inactivity has passed.
Make sure they flat bed it. Some tow folks don't know that am AWD vehicle cannot be towed from one end.

Don
 
#13 ·
Hello,

Not sure if this will help you, Let me start by sharing my story, I have a 2014 D R/T with a sunroof (i know you said you don't have one). After a heavy rain when the car was sitting outside my wife and I took it out and it died on us after a mile. Fortunately, I was able to drive back home, it would turn on and drive then die again. I knew instantly that this had to be from the rain. I search the whole car and discovered wetness on the passenger side floorboard. It was under the weather mats. I pulled the carpet up and took off the kick panel and behold it was a white connector that was soaked in water. That connector (after some research) gave power and communication from the PCM to the rest of the car. I don't have the tools for electrical work, so the local dealer in my area cut the connector out and soldered them together.
If I were you, I would have the dealer or mechanic that's working on your vehicle look around in that floorboard for water and wet cords.

Good Luck,
 
#16 · (Edited)
Good cold and rainy morning here.... went to start her up and dead as a doornail again!!
How is it that the dealer cannot find the issue?
we've had 2" of rain in the last 24 hours. temp hasn't gone below 32, so didn't think to plug in the core heater - plugged it in an hour ago and will hope it will help and try to jump it later.
Can anyone think of other ideas? if she goes to the shop i'll take her to a deferent dealership for fresh eyes

Got it jump started and ran it a bit and drove it. Turned it off and it has the infamous high pitch sound then goes through a cycle of clicking. i wish i could upload that here, maybe it would be something any one of you reading this would know :)

and the only service lights that stayed on are service AWD, and the stability control icon.

restarted her a few hours later... went fine. But wouldn't shut off!! seriously. what the heck.
 
#17 ·
After 19 1/2 weeks in and out of the shop with electrical issues since I got her in September of 2021... the culprit was FINALLY figured out today!!
My DD has been in the shop the last 2 weeks, and today I was told that when they replaced a USB port which was causing a battery draw, the central cluster went out. they traced that to find wires that had corrosion from water damage. they traced the water damage to a leak in (perhaps?) a broken seal in the windshield!
Grateful they seem to have found the issue... they are telling me they aren't sure it will be covered under warranty! I would argue that this issue has been going on since it was under factory warranty and never been able to be diagnosed. Any suggestions that could help my argument to get this covered??
 
#18 ·
Stick to your guns. Did you document the issue with the dealer when it was still under warranty? That information will still be in their system.
 
#20 ·
They should be but your copies are all that they should need.
 
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#21 ·
one of the service advisors comments was that the leak originated at the windshield, and windshields are only under warranty for 1 year from Original purchasers date... i bought the car used so it likely wouldn't qualify... hmmm
Since the windshield is not broken, and it is the seal, could that be an argument?
 
#22 ·
Only if it's the original window and the documented cure to the issues you brought up prior to warranty expiration were solved by replacing or reinstalling the window. You might have to enlist the BBB or small claims court to get their attention.
 
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#26 ·
they are saying it's not covered under warranty... so cost is $2200!
My husband has a dispute number to call at Dodge Corporate, so maybe he can get somewhere with them.
I guess $2200 is better than having to trade in or sell and lose thousands of $$-- especially if this is the core problem.
Are they saying just the windshield replacement is $2,200??
 
#25 ·
Add glass coverage to your insurance policy then, if Dodge won't pony up, you can have a glass company fix it. You might have to break it first though.
 
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#28 ·
Image


so here is the culprit of all the electrical issues (hopefully!) You can see all the corrosion and water damage! All from a bad windshield seal.
You can see in the photo, the bubbles created from the bad seal when they found to.
So, got the car back and haven't had problems --- except now my horn doesn't work! 🤦🏼‍♀️
It works when you press remote to lock or start, but not when pressing the center of steering wheel.
Image
 
#29 ·
Sorry to hear that you are going through this... One of the main reasons I got rid of my 05" D was water getting in through the sunroof and having the same issues as you (i.e., water-soaked modules, corroded harness connections, etc.)... With limited or no factory parts support and no decent used parts available I traded her in on a new DD.

Now I am very concerned that this might happening all over again. Has Dodge not addressed these issues in over 18 years?

This is unacceptable!

PLEASE let us know the disposition of your claim!
 
#33 ·
Send a message to DodgeCares here on the forum. They are part of the corporate customer service team, and have worked with forum members to help resolve issues.

DodgeCares | Dodge Durango Forum
To start a conversation, click our username then select the ‘start a conversation’ button and send us your make, model year, and mileage for us to review. Staffed M-F 7:30am-5:30pm EST by the Stellantis Social Engagement Team.
 
#36 ·
Go get some deoxit or similar electronic circuit/contact cleaner. Spray the sh^t out of the connectors and watch the corrosion drip off.
Deoxit dries quick with no residue, I use it on my tube amps, switches etc.

I suggest that you follow the advice given in the post by Vice-White I quoted above.
Search Amazon for D5S-6 CAIG DeoxIT

I have used this product for as long as I recall, and I go back quite some time.

Then do the following, he would have told you this too if he had recalled at the time of writing I'm sure:
Insert and remove the connector parts at least 3 times!

This will create "fresh traces" on the pins in the connector and thus create a better connection. And just to be really sure to "never" have this issue occur again, give the connectors another "hosing down" with Deoxit, and you should be good to go!

Your second mechanic might have done such a cleaning, but I wouldn't rely on that

Good luck

Preben
 
#37 ·
I suggest that you follow the advice given in the post by Vice-White I quoted above.
Search Amazon for D5S-6 CAIG DeoxIT

I have used this product for as long as I recall, and I go back quite some time.

Then do the following, he would have told you this too if he had recalled at the time of writing I'm sure:
Insert and remove the connector parts at least 3 times!

This will create "fresh traces" on the pins in the connector and thus create a better connection. And just to be really sure to "never" have this issue occur again, give the connectors another "hosing down" with Deoxit, and you should be good to go!

Your second mechanic might have done such a cleaning, but I wouldn't rely on that

Good luck

Preben
they replaced the plug... should I still do it? or it's ok now since it's brand new?
 
#38 ·
they replaced the plug... should I still do it? or it's ok now since it's brand new?
Fot what it's worth.

I can only say what I would do, as an ex aerospace engineer, I would take it apart and give it a normal spray and do a couple of insertions/extractions. The Deoxit leaves a light protectant and lubricant film on the surface of the connector pins, which helps prevent bad connections in the future.

You can wipe off the connector if there's a bit of residue on the surface of the connector, as it doesn't do any good there.

I do this every time I disconnect a connector, any connector.

If your mechanic is any good, then he will already have done it, but it never hurts :)

P.S. I'm not sure why they replaced the connector. I'm pretty convinced that by doing as suggested in the previous posts the connector would have been ok. It didn't look "that bad" to me, but maybe if I saw it up close, I would get a different view.

Hope that your car is now running fine again.
 
#32 ·
I am new here, but I thought I saw a "Dodge Rep" floating around on this forum...

I can see the windshield being covered by Insurance, but the other damage is Dodge's.

Possibly consider disputing the charge with your credit card company, Dodge is responsible for this, they need to own up to the issue.
 
#35 ·
This sounds to me, like a case of semantics. While the glass itself might only be covered for a year or say 12k, the sealing of said window, SHOULD be covered for the entire 3/36 warranty. It is absolutely mind boggling to hear how dealers try to weasel out of what should certainly be a warranty fix.
Unless the windshield has been damaged, or already replaced, then Dodge screwed up when they built it.

What a crock of sh*t!!!!!!!!

Don