B2424 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B2424 – Headlight Leveling Motor Left Communication Malfunction

 

B2424 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B2424 Possible Causes

 

Faulty Headlight Leveling Motor Left,Headlight Leveling Motor Left harness is open or shorted,Headlight Leveling Motor Left circuit poor electrical connection,Faulty Headlight Unit Assembly Left,Faulty Adaptive Front-lighting System (AFS) ECU

 

B2424 Description

 

The Headlight Swivel Motor (leveling portion) operates by receiving a signal from the Adaptive Front-lighting System (AFS) ECU. The AFS ECU detects the headlight swivel motor (leveling portion) status using the signal from the headlight swivel motor (leveling portion). The Diagnostic Trouble Code (DTC) sets when a malfunction or open or short in the Headlight Swivel Motor Left (leveling portion) communication circuit is detected.