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Ford Pass connects for a bit after modem reset, then once I charge again disconnects

rugedraw

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Your truck recorded like 150 DTC's today. I've never seen anything like it, tbh. Prior to that, it's recording DTC's relevant to the TCU as well as antenna codes for the RFA. There are TCU codes it has reported several times for the GSM antenna and another antenna that I don't recall seeing before. I'm going to ask for a second opinion on your TCU issue.

Ford F-150 Lightning Ford Pass connects for a bit after modem reset, then once I charge again disconnects 1709345606586
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rugedraw

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@Jamchampnate I was told that TCU code stating ethernet failure between the GWM and TCU is a problem. This is a dealer issue for sure.
 
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Jamchampnate

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@Jamchampnate I was told that TCU code stating ethernet failure between the GWM and TCU is a problem. This is a dealer issue for sure.
I called them and they said they are gonna need to replace a control unit? Does that sound right? Haha
 
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Jamchampnate

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Your truck recorded like 150 DTC's today. I've never seen anything like it, tbh. Prior to that, it's recording DTC's relevant to the TCU as well as antenna codes for the RFA. There are TCU codes it has reported several times for the GSM antenna and another antenna that I don't recall seeing before. I'm going to ask for a second opinion on your TCU issue.

1709345606586.png
Oh also. THANK YOU. I really appreciate you spending your time on this. Much appreciated.
 

rugedraw

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I called them and they said they are gonna need to replace a control unit? Does that sound right? Haha
The TCU is an acronym for telematics control unit, so yes, that sounds right. You can stop unplugging it. That's a band aid that will continue to come off, imo.
 
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Jamchampnate

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The TCU is an acronym for telematics control unit, so yes, that sounds right. You can stop unplugging it. That's a band aid that will continue to come off, imo.
Yep. Gonna get it in next week. Really appreciate it!!!! Have a great weekend! I’ll post a follow up when it’s hopefully all fixed.
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