DTC U0164: Lost Communication With HVAC Control Module

DTC detecting condition: 

CAN data from A/C control panel is abnormal.

Trouble symptom: 

• Air conditioner status is not displayed in the regularly display bar.
• Air conditioner status is not displayed correctly in the regularly display bar.
• Setting temperature reading in the regularly displayed bar is not displayed.
• Operating the air conditioner does not display air conditioner interruption.
• Air conditioner status is not displayed correctly in the air conditioner interruption display.
  NOTE: For the diagnostic procedure, refer to DTC U0074. Ref. to MULTI-FUNCTION DISPLAY (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0074 CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF .