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)

 

B2603 Description

 

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.