B2603 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B2603 – PSD Not Fully Closed During Self-Test
B2603 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
PSD Not Fully Closed During Self-Test is the generic description for the B2603 code, but the manufacturer may have a different description. Currently we have no further information abouth the B2603 OBDII code.