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This is in my 12 in module

https://5thgenrams.com/community/threads/12-0-gps-navigation-location-wrong.29848/post-753674

https://5thgenrams.com/community/threads/12-0-gps-navigation-location-wrong.29848/post-753674

Hardware issue in the radio module. See my other post https://5thgenrams.com/community/threads/uc4-12-amp-draw-reboot.50094/

I have a ribbon cable, however do you have the small wire harness? PM me

See here https://5thgenrams.com/community/threads/12-0-gps-navigation-location-wrong.29848/page-4

Do you have a amp meter?

You’re welcome!

Looks like they are back in stock.

You have to open the module up with the 5 screws, take the two screws holding the air card. Pull apart the two card to disconnect the air card. Last picture is it showing me in Georgia before the fix. I live in northern Indiana. I didn’t care about cell service. Part below. PC Board Sierra...

Yes, if you have experience removing your radio module. I replace mine in 20 minutes. But try the software route first, especially if it recently upgraded.

Confirmed! GPS is now working. My other post https://5thgenrams.com/community/threads/uc4-12-amp-draw-reboot.50094/

GPS is now working after replacing the air card Total repair cost for the radio $158 to correct rebooting and GPS not working part of the repair was to replace shorted battery $229 i did buy an amp meter too! Only downside the board I used to correct the reboot was from a charger and it...

This is likely a hardware issue on the wireless card. I will confirm. I have had several issues Documented in my other post I have ordered a wireless card and will see if this will correct the issue. I should have it this weekend.

How much you listing it for?

If you are buying a new module, I would consider buying you non working module for a little project I have going on

Only GPS is not working

Replaced battery today. Amp draw is back to normal. Still have rear camera and GPS issues not working on replacement board. Plan to induce voltage on board M3J4102474 and see what is causing the short on it. Several capacitors are shorting to ground. It’s the original board. Then might try a...

Long Story short…. Literally it appears the rest of the amp draw is related to a battery cell that is bad/shorted. Waiting to replace it. I’ve been traveling for work. Hopefully next week. Then more updates.

BCM loaded into radio. Backup camera is not working, getting blue screen when activated. Amp draw seems to be improved. GPS is taking its sweet *** time to locate. I could not up date the software as it said it was not compatible. Everything appears to be working correctly. Working on next steps