AlfaOBD

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RamDiver

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Marlborough, Ontario, Canada
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2021
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Hemi 5.7
My truck has 29337 miles on it and I put it to 24000. It went to 14900. I been trying to correct it it but can only get it close.


Is there a possibility that you're setting the mileage in a location that is looking for a value in kilometers?

24,000 km * .625 = 15,000 miles

In the above example;

29,337 miles * 1.6 = 46,939.2 km


I checked active codes and u1412 implausible vehicles speed signal keeps popping up.

This sounds like the tire circumference size is set incorrectly. This condition will also mess up the speedometer and the odometer readings.

Is the speedometer working properly?

I set custom tire sizes for winter and summer wheels and used an old standalone GPS to fine tune the setting.

I'll post the AlfaOBD location for tire size a bit later when I start my PC, using a phone ATM.

.
 
Last edited:

Sam d

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It was definitely the tire size . I put it back to stock size and it fixed everything
 

Jimmy07

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Just finished performing the Update TPMS Threshold on a 2024 PW. It appears to have taken, but my TPMS light is still on. Display shows the corrected PSI. Anyone seen this before?View attachment 547796
Change the pressure thresholds back to the original numbers, inflate the tires up to those thresholds, THEN change your thresholds to the lower number and deflate down to what you want.
 

Aztechead

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Hemi 6.4
Change the pressure thresholds back to the original numbers, inflate the tires up to those thresholds, THEN change your thresholds to the lower number and deflate down to what you want.
@Jimmy07 thank you! Performed those steps this morning and it fixed right up!
 

18CrewDually

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Cummins 6.7 H.O.
Change the pressure thresholds back to the original numbers, inflate the tires up to those thresholds, THEN change your thresholds to the lower number and deflate down to what you want.

Jeez, I'd never think of that. Good info!
 

broncoduecer

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UT
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2017
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3.0
Had my windshield replaced and the auto wipers aren’t as sensitive as they used to be by quite a lot (2017 ram 1500 Laramie). I saw a few posts on people adding the rain sensor and enabling it via AlfaOBD, and some mentioned calibration settings.
Is there a way to calibrate the sensor with AlfaOBD?
Has anyone tried that out?
 

18CrewDually

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Cummins 6.7 H.O.
Had my windshield replaced and the auto wipers aren’t as sensitive as they used to be by quite a lot (2017 ram 1500 Laramie). I saw a few posts on people adding the rain sensor and enabling it via AlfaOBD, and some mentioned calibration settings.
Is there a way to calibrate the sensor with AlfaOBD?
Has anyone tried that out?

Under BCM AND Configuration.
Screenshot_20240808_164113_AlfaOBD.jpg
 

musinxa

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Belgique
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2009
Engine
5.7
problème ecu, défaut mod...copie bcm...

merci de confirmer ou non le problème



Dodge Ram 1500 DS 4x4 cabine multiplace Laramie 2009 5,7 litres
 

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