Bubbam78155https://forums.nicoclub.com/memberlist.php?mode=viewprofile&u=113&sid=1915260644eb6bcbec3da6743fc556ffM37 Service Engine Soon Light OnTue Nov 05, 2013 7:49 am
Postby
svard75 »
https://forums.nicoclub.com/svard75-u133637.htmlTue Nov 05, 2013 10:13 am
a quick google search came up with this
"U" codes are CAN network related codes, either no connection or no communication between modules. Either something is unplugged or there is an open in the circuit somewhere.
0164 specifically indicates an error in communication between your ECU and the HVAC control system. Did you do anything recently to your radio?