B1D4D Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1D4D – Memory Switch Input Circuit Stuck


B1D4D Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1D4D Possible Causes


Faulty Memory Set Switch,Memory Set Switch harness is open or shorted,Memory Set Switch circuit poor electrical connection,Faulty Door Module


B1D4D Description


The Diagnostic Trouble Code (DTC) sets when the Memory Select Switch Mux is under 2.6 volts for over 30 seconds.