B2544 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B2544 – Aux A/C Control Switch Reference Circuit Short to Battery

 

B2544 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B2544 Description

 

Aux A/C Control Switch Reference Circuit Short to Battery is the generic description for the B2544 code, but the manufacturer may have a different description. Currently we have no further information abouth the B2544 OBDII code.