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Parking sensors on 2017 3500 #3077092
09/13/22 11:12 PM
09/13/22 11:12 PM
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Oregon
TahoeDart Offline OP
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TahoeDart  Offline OP
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I have searched the internet high and low for the answer on this so if there is a thread here on it I haven't been able to find it.

I recently reinstalled the front parking sensors on my 2017 Ram 3500 Longhorn. When I bought the truck it had an aftermarket bumper and the "service front parksense" popping up drove me nuts.

After installing the sensors tested fine in the driveway. On the first drive after once I go above about 5mph the sensors shut off and the "service front parksense" comes on with a ding. If I go below 5mph they come back on etc etc.

The harness is an OEM harness from the dealer that I had to modify slightly to extend the loom to fit the aftermarket bumper. I extended each of the plugs by a bit to get the reach needed.

The sensors are cheap knockoffs from Amazon since the dealer wanted $230 a piece for the sensors (the harness was only $160).

Trying to determine what is going on here. Is it a sensor issue? Do I need to do a battery reset? Something else? The sensors work as they should when parking and I get the proper indications just the weird over 5mph they turn off and it dings at me...Thanks in advance for everyone's help!


1968 Dodge Dart "Sally the Banana Dart"
440
Full Hotchkis TVS
Spectre Intake
Falken Tires
NewGen Lite Wheels
MSD ignition
Re: Parking sensors on 2017 3500 [Re: TahoeDart] #3077278
09/14/22 06:19 PM
09/14/22 06:19 PM
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NITROUSN Offline
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Look in your setting and see if there is anything you can change?

Re: Parking sensors on 2017 3500 [Re: NITROUSN] #3077326
09/14/22 09:08 PM
09/14/22 09:08 PM
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Oregon
TahoeDart Offline OP
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The only thing I can see is changing the volume of the tones the front and rear sensors give when seeing an obstacle.


1968 Dodge Dart "Sally the Banana Dart"
440
Full Hotchkis TVS
Spectre Intake
Falken Tires
NewGen Lite Wheels
MSD ignition
Re: Parking sensors on 2017 3500 [Re: TahoeDart] #3077406
09/15/22 07:56 AM
09/15/22 07:56 AM
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mopars4ever Offline
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Just wondering, Will it need to go to the dealer for a update?

Re: Parking sensors on 2017 3500 [Re: mopars4ever] #3077425
09/15/22 09:11 AM
09/15/22 09:11 AM
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NITROUSN Offline
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Originally Posted by mopars4ever
Just wondering, Will it need to go to the dealer for a update?


Possibly. But if the truck came with them you should be good to go unless there is some flash updates available to the software. My 2015 has a switch to disable the rear. I do not have front. Maybe you can find someone local who has them to compare or a dealer with one to test drive. What does your owners manual say?

Re: Parking sensors on 2017 3500 [Re: NITROUSN] #3077481
09/15/22 11:50 AM
09/15/22 11:50 AM
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Posts: 5
Oregon
TahoeDart Offline OP
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Lots of conflicting information out there. Some say do a battery reset, some say needs to be flashed. The issue specific issue I am running into is that they work fine below 5mph and shut off above 5mph...I haven't found anyone who has that exact issue yet. What I am seeing is a lot of folks who have done this and the sensors are constantly going off when nothing is in front of them. Mine work perfectly below 5mph. And if I turn them off at start up they stay off just fine. It's the speed issue.


1968 Dodge Dart "Sally the Banana Dart"
440
Full Hotchkis TVS
Spectre Intake
Falken Tires
NewGen Lite Wheels
MSD ignition
Re: Parking sensors on 2017 3500 [Re: TahoeDart] #3077531
09/15/22 01:39 PM
09/15/22 01:39 PM
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NITROUSN Offline
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In your owners manual what does it say? My 15 is different as I only have rear. That's why I thought there could be something that might explain or give you an option.

Re: Parking sensors on 2017 3500 [Re: NITROUSN] #3077532
09/15/22 01:44 PM
09/15/22 01:44 PM
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Posts: 5
Oregon
TahoeDart Offline OP
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I will go look and see. I have a feeling there might be two things going on:

1) The sensors apparently can malfunction if they are squeezed by the bezel so widening the hole a bit can help.
2) The knockoffs have some weird programming in them that is causing this.

I will keep looking and updating as I learn more.


1968 Dodge Dart "Sally the Banana Dart"
440
Full Hotchkis TVS
Spectre Intake
Falken Tires
NewGen Lite Wheels
MSD ignition
Re: Parking sensors on 2017 3500 [Re: TahoeDart] #3077553
09/15/22 03:24 PM
09/15/22 03:24 PM
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With all the junk Chinese that would not surprise me. These are designed for the Ram front I assume? I would like to read the owners manual as to how they are supposed to function.

Re: Parking sensors on 2017 3500 [Re: NITROUSN] #3078077
09/17/22 12:30 PM
09/17/22 12:30 PM
Joined: Sep 2003
Posts: 19,237
north of coder
moparx Offline
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my old man always said : "run 'er back till the tin rattles !" biggrin [sorry, i couldn't resist]
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