B129E Code: Meaning, Causes, and Symptoms | OBD2 Codes

B129E – Left Blind Spot Sensor Alignment Or Adjustment Incorrect

 

B129E Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B129E Possible Causes

 

Left Blind Spot Sensor Bracket Damager or Misaligned,Faulty Left Blind Spot Sensor,Left Blind Spot Sensor harness is open or shorted,Left Blind Spot Sensor circuit poor electrical connection

 

B129E Description

 

The Blind Spot Module (BSM) monitors the Left Blind Spot Sensor (LBSS). The BSM integrated into the LBSS sets the OBDII code when the Blind Spot Sensor detects sensor alignment or adjustment incorrect.