keep getting Pulled over

[blakedelfs]

Is their a Speed Sensor I'm missing. I got pulled over two times this week. Both saying I was going 20 over the Speed limit.

Also ABS Light keeps coming on and Off. So not sure If it's my ABS Speed Sensor or not.

2014 Ram 1500 Tradesman 5.7 Hemi

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[crash68]

20 over? Is your speedometer not work at all, it's the big dial on the right.

There's actually four ABS wheel speed sensors, one on each wheel.

 

[blakedelfs]

Yes..... ik where it's at. Thanks for reminding me. Just trying to figure if thats what causing the problem.

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[crash68]

the speeding "problem" is usually caused by the skinny pedal being pushed down too much..lol

If you have AlfaOBD you can look for error codes in the ABS system that won't show on the dash. I think you can even monitor the individual sensors to see what one might be the problem.

 

[pacofortacos]

ABS sensor isn't the speed sensor. But if the speed sensor is really off maybe that's why you are getting an ABS sensor fault - maybe.

You don't have some giant tires on the truck do you?

 

[Octane]

One should certainly be able to tell they are doing 20 over in any speed zone anyway right?

 

[blakedelfs]

ABS sensor isn't the speed sensor. But if the speed sensor is really off maybe that's why you are getting an ABS sensor fault - maybe.

You don't have some giant tires on the truck do you?

No I do not have gait tires on the truck.

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[blakedelfs]

One should certainly be able to tell they are doing 20 over in any speed zone anyway right?

Normally yes, But don't really know when I don't have traffic in front of me.

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[HDGoose]

One should certainly be able to tell they are doing 20 over in any speed zone anyway right?

Well...maybe. My 2020 RAM 3500 is deceptively faster and smoother than I expected for a 3500.

But is the OP speed-o-meter indicating anything at all?

 

[blakedelfs]

the speeding "problem" is usually caused by the skinny pedal being pushed down too much..lol

If you have AlfaOBD you can look for error codes in the ABS system that won't show on the dash. I think you can even monitor the individual sensors to see what one might be the problem.

I'll have to look into it today.

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[pacofortacos]

Do you have access to a scanner, you might really need one.
I haven't looked at where the speed sensor is on the newer model , the older trucks it was using the tone wheel on the rear differential.
Maybe someone will chime in as to where the speed sensor is.

 

[blakedelfs]

Well...maybe. My 2020 RAM 3500 is deceptively faster and smoother than I expected for a 3500.

But is the OP speed-o-meter indicating anything at all?

Yes it is. Last night. Coming to work I got pulled over for doing 68 and my speedometer was saying 48. Not to mention I got pulled over 2 days prior of this one. For the same case.

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[blakedelfs]

Do you have access to a scanner, you might really need one.
I haven't looked at where the speed sensor is on the newer model , the older trucks it was using the tone wheel on the rear differential.
Maybe someone will chime in as to where the speed sensor is.

I do have a scanner. But its pretty basic. I also have alfa od.

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[stimpy433]

You didn't accidentally switch the display to KPH???

 

[HDGoose]

Yes it is. Last night. Coming to work I got pulled over for doing 68 and my speedometer was saying 48. Not to mention I got pulled over 2 days prior of this one. For the same case.

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If you take it to a shop, and they find an issue with the speed sensor system, if may help with the tickets with a mechanics documentation.

 

[retired]

huge difference seat of the pants between 48 and 68. there are many free speed apps for a smart phone. I use Ulyssee speedometer app

 

[pacofortacos]

You didn't accidentally switch the display to KPH???

No he is reading lower, he would read higher if in KPH.

 

[2012RAM1500RT]

Goggle map and Waze both show the speed you're going and the speed limit of the road you're on most of the time. I have used both to check my speedometer accuracy before.

 

[Badger 13]

If you have GPS, check the speed on that. 20mph over and no citation is a gift...

 

[pacofortacos]

On second thought, maybe they do use the ABS sensors for the speedometer function.