B16FB Code: Meaning, Causes, and Symptoms | OBD2 Codes

B16FB – Front Right Fog Lamp Control Circuit


B16FB Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B16FB Possible Causes


Faulty Right Front Fog Lamp,Right Front Fog Lamp harness is open or shorted,Right Front Fog Lamp circuit poor electrical connection,Faulty Body Control Module (BCM)


B16FB Description


The Body Control Module (BCM) receives the input from the headlamp switch requesting fog lamp illumination. The BCM provides a pulse width modulated (PWM) voltage output through the fog lamp driver circuit, which connects to the Fog Lamp. A ground path for the lamps is present through the harness to the body sheet metal. For additional information on the Fog Lamp operation. When the Body Control Module (BCM) detects a low condition on the Right Front Fog Lamp Driver circuit sets the Diagnostic Trouble Code (DTC).