B11E9 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B11E9 – Left Rear Door Ajar Switch Circuit Open

 

B11E9 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B11E9 Possible Causes

 

Faulty Left Rear Door Ajar Switch,Left Rear Door Ajar Switch harness is open or shorted,Left Rear Door Ajar Switch circuit poor electrical connection,Faulty Body Control Module (BCM)

 

B11E9 Description

 

The Body Control Module (BCM) monitors the Left Rear Door Ajar Switch. The BCM sets the OBDII code when the Left Rear Door Ajar Switch is not to factory specifications.