B16B7 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B16B7 – Center Stop Lamp Control Circuit


B16B7 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B16B7 Possible Causes


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


B16B7 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 Center High Mounted Stop Lamp (CHMSL) control circuit. For additional information on the Brake Lamp operation. When the Body Control Module (BCM) detects a low condition on the CHMSL Driver circuit and sets the Diagnostic Trouble Code (DTC).