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Hello I would like to ask a question about a 2011 genesis coupe 2.0t, everyone here seem pretty knowledgeable about Hyundai I have a code p0641
Transmission has already been replaced I’m testing my wiring from transmission to Tcm, the reason I’m doing that is because I have transmission shifting concerns, and that’s the only code it gives me p0641- sensor reference voltage A circuit, I would like to know if you have any idea if my tcm can be bad, I see continuity on the wiring from the transmission to the tcm
 

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Check the signal voltage. That code indicates the voltage was missing.
 

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Drives : Nissan NV200 Flies : Rans S6ES
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Check the signal voltage. That code indicates the voltage was missing.
Check signal voltage of what? The code indicates what voltage is missing?
Is this your entry for the pointless answer of the week award :D

If I helped you fix it, why not...

Your support is greatly appreciated
 

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Coffee I think
Maybe if he posted something helpful he'd get coffee. "Check the signal voltage" is meaningless.

If I helped you fix it, why not...

Your support is greatly appreciated
 
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