B1B7A Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1B7A – Passenger Seat Weight Sensor 3 Left Front Input Circuit High

 

B1B7A Possible Symptoms

 

Air Bag Warning Light ON

 

B1B7A Possible Causes

 

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

 

B1B7A Description

 

If the module detects that the sensor input is greater than 96 +/- 0.6% of the Seat Weight Sensor 5 Volt circuit voltage. Note that this Diagnostic Trouble Code (DTC) will remain active after the condition that set this fault is no longer present. Performing the Occupant Classification Module (OCM) System Verification Test will change the status from active to stored if the condition that set the fault is no longer present.