B1538 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1538 – Memory 2 Switch Circuit Short To Ground

 

B1538 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1538 Possible Causes

 

Faulty Memory 2 Switch,Memory 2 Switch harness is open or shorted,Memory 2 Switch circuit poor electrical connection,Faulty Body Control Module (BCM)

 

B1538 Description

 

The Body Control Module (BCM) monitors the Memory 2 Switch. The BCM sets the OBDII code when the Memory 2 Switch is not to factory specifications.