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Alfaobd tire size change instructions

Also, when you go into alfaObd, you do not need to go to the car configuration change menu. Select program tire size, and it give you the option to select from a list of different standards tire sizes, or you can enter in the diameter in mm.
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I have a 2019 and went with 35" and found my parking sensors disabled with anything over 2557 mm with 68271823AG Parksense module. I tried everything to get them working and I decided to order 68464880AD parksense module from a 2022 with the 12 channel Parallel and Perp Park Assist w/Stop XH5. I swapped it out today and got parking sensors working with the larger tires. I picked it up for under $60. The swap was plug and play. No programming needed. If you have the 10 channel system Parksense Ft/Rr Park Assist w/Stop XH4. 68464879AG would be the correct part number. No issues at all and I have tried over 2700mm without disabled sensors. Just my 2 cents.
hey bud, sorry can you please clarify? I'm dealing with this myself, 2021 Bighorn level 2 with just the front and rear parksense/beeping sensors, no parallel parking assistance or anything like that. I was lucky in calibrating my tires with alpha OBD in that I was right on the money first time, 2725mm and now parksense isn't working. So all you did was order a newer parksense module and it fixed this problem for you? Per alfa OBD I have a 68464879AD module. So you ordered the 68464879AG and it worked? I see online the latest version is the 68464879AH. I was thinking about getting this one and seeing if it works. Thanks brother.
 
hey bud, sorry can you please clarify? I'm dealing with this myself, 2021 Bighorn level 2 with just the front and rear parksense/beeping sensors, no parallel parking assistance or anything like that. I was lucky in calibrating my tires with alpha OBD in that I was right on the money first time, 2725mm and now parksense isn't working. So all you did was order a newer parksense module and it fixed this problem for you? Per alfa OBD I have a 68464879AD module. So you ordered the 68464879AG and it worked? I see online the latest version is the 68464879AH. I was thinking about getting this one and seeing if it works. Thanks brother.
Since you have a 2021 you can use this.

RAM ParkSense Fix (2021+ Ram DT Models) – ZAutomotive RAM ParkSense Fix (2021+ Ram DT Models)
 

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