Skip to content

B0103 Code – Passenger-Side EFS Valid Identification Not Received

What are the Possible Causes of the Code B0103?
  • Faulty Passenger-Side Electronic Frontal Sensor (EFS)
  • Passenger-Side Electronic Frontal Sensor (EFS) harness is open or shorted
  • Passenger-Side Electronic Frontal Sensor (EFS) circuit poor electrical connection
  • Faulty Sensing and Diagnostic Module (SDM)
  • Need help with this OBD II code? Our mechanics are available within west Michigan to help. Outside of our service area? Visit our Car Help Section where you can ask questions and get answers.

Leave a Reply