B2509 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B2509 – Rear Fog Lamp Switch Circuit Failure
B2509 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
Rear Fog Lamp Switch Circuit Failure is the generic description for the B2509 code, but the manufacturer may have a different description. Currently we have no further information abouth the B2509 OBDII code.