U0165 Code: Meaning, Causes, and Symptoms | OBD2 Codes

U0165 – Lost Communication With HVAC Control Module Rear

 

U0165 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

U0165 Description

 

Lost Communication With HVAC Control Module Rear is the generic description for the U0165 code, but the manufacturer may have a different description. Currently we have no further information abouth the U0165 OBDII code.