B1D18 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1D18 – Passenger Mirror Horizontal Position Sensor Input Circuit Low

 

B1D18 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1D18 Possible Causes

 

Faulty Passenger Mirror,Passenger Mirror harness is open or shorted,Passenger Mirror circuit poor electrical connection,Faulty Passenger Door Module (PDM)

 

B1D18 Description

 

When the Passenger Door Module (PDM) senses less than 0.16 of a volt on the Passenger Mirror Horizontal Position Signal Circuit for over 100Ms., this Diagnostic Trouble Code (DTC) will set.