B140D Code: Meaning, Causes, and Symptoms | OBD2 Codes

B140D – Second Row Passenger Side Seatbelt Sensor Circuit


B140D Possible Symptoms


Air Bag Warning Light ON


B140D Possible Causes


Faulty Second Row Passenger Side Seatbelt,Second Row Passenger Side Seatbelt harness is open or shorted,Second Row Passenger Side Seatbelt circuit poor electrical connection,Faulty Restraint Control Module (RCM)


B140D Description


The Restraint Control Module (RCM) continuously monitors the second row right safety belt buckle switch circuits for the following faults: Open circuit, Short to voltage, Short to ground, Current out of range, Faulted second row right safety belt buckle switch. If a fault is detected, the RCM stores DTC B140D in memory and sends a message to the IPC to illuminate the airbag warning indicator.