B1677 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1677 – Alarm Panic Input Circuit Failure

 

B1677 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1677 Possible Causes

 

Faulty Alarm Panic Input Sensor,Alarm Panic Input Sensor harness is open or shorted,Alarm Panic Input Sensor circuit poor electrical connection,Faulty Body Control Module (BCM)

 

B1677 Description

 

The Body Control Module (BCM) monitors the Alarm Panic Input Sensor. The BCM sets the OBDII code when the Alarm Panic Input Sensor is not to factory specifications.