B16B2 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B16B2 – Left Stop Lamp Control Circuit Open


B16B2 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B16B2 Possible Causes


Faulty Left Stop Lamp,Left Stop Lamp harness is open or shorted,Left Stop Lamp circuit poor electrical connection,Faulty Body Control Module (BCM)


B16B2 Description


The Body Control Module (BCM) receives a hardwired brake signal from the Anti-lock Brake System (ABS) module indicating that the Brake Pedal is applied. When this signal is received, the BCM provides a voltage output through the rear stop signal control circuit. For additional information on the Brake Lamp operation. When the Body Control Module (BCM) detects a low or high condition on the Left Stop Lamp Driver circuit and sets the Diagnostic Trouble Code (DTC).