B1D4A Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1D4A – Memory Switch Input Stuck


B1D4A Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1D4A Possible Causes


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


B1D4A Description


The Diagnostic Trouble Code (DTC) sets when the Door Module receives a conflicting input from the Memory Select Switch Mux circuit for more than 30 seconds.