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.