First mod - Pioneer AVH-P4300DVD

bigaudiofanat · 11-15-2011, 02:01 PM

I know that if you take the negative battery terminal off to soon after putting it on or take it off to many times in a close period it throws the light. It happened to me In Brooklyn.

I would take it to the dealer and have them reset it.

kenchan · 11-15-2011, 02:39 PM

U0164 Generic DTC: Lost Communication With HVAC Control Module

maybe forgot to hook up the hvac harness... (?)

mannyz · 11-15-2011, 10:07 PM

Thanks guys, yes eventually I found that the code is related to the HVAC and since I didnt know what was that I also research that. Now I know is the white box under the radio. So I opened everything up to see if he connected the cable and yes is connected.

So I started to flashback why the light is on if the cable is connected and I remember when he was testing the radio outside the center console he didnt have the HVAC connected, so that throw the code. Also he never disconnected the battery. So I asked my other friend with the ODBC machine to reset the code and so far it hasn't come back. So thanks and I hope my comment help.

11-15-2011, 02:01 PM	#1 (permalink)
bigaudiofanat Car Audio Installer Join Date: Jun 2009 Location: Magnolia DE Posts: 8,342 Drives: 2012 Infiniti G37x Rep Power: 854	I know that if you take the negative battery terminal off to soon after putting it on or take it off to many times in a close period it throws the light. It happened to me In Brooklyn. I would take it to the dealer and have them reset it. __________________ Need help with car audio or electronics? Let me know!! Need Help Let Me Know Direct email address reimermatt@gmail.com Owner of: Dynamic Mobile Audio Follow me below https://www.facebook.com/Dynamicmobileaudio/

11-15-2011, 10:07 PM	#3 (permalink)
mannyz Enthusiast Member Join Date: May 2009 Location: Orlando, FL Posts: 354 Drives: a car Rep Power: 281	Thanks guys, yes eventually I found that the code is related to the HVAC and since I didnt know what was that I also research that. Now I know is the white box under the radio. So I opened everything up to see if he connected the cable and yes is connected. So I started to flashback why the light is on if the cable is connected and I remember when he was testing the radio outside the center console he didnt have the HVAC connected, so that throw the code. Also he never disconnected the battery. So I asked my other friend with the ODBC machine to reset the code and so far it hasn't come back. So thanks and I hope my comment help. __________________

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11-15-2011, 02:39 PM	#2 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141522	U0164 Generic DTC: Lost Communication With HVAC Control Module maybe forgot to hook up the hvac harness... (?)