B1B87 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1B87 – Passenger Seat Weight Sensor 1 Right Rear Performance

 

B1B87 Possible Symptoms

 

Air Bag Warning Light ON

 

B1B87 Possible Causes

 

Faulty Right Rear Passenger Seat Weight Sensor,Right Rear Passenger Seat Weight Sensor harness is open or shorted,Right Rear Passenger Seat Weight Sensor circuit poor electrical connection,Faulty Occupant Classification Module (OCM)

 

B1B87 Description

 

During the occupant classification module system verification test: if the module detects that the sensor input is less than 1.4 volts or greater than 3.6 volts. During auto zero: if the module detects that the sensor input is less than 1 volt or greater than 4 volts.