B2540 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B2540 – Aux A/C Mode Position Reference Circuit Short to Battery
B2540 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
Aux A/C Mode Position Reference Circuit Short to Battery is the generic description for the B2540 code, but the manufacturer may have a different description. Currently we have no further information abouth the B2540 OBDII code.