Key Transponder Signal Not Received

Q: What does code B1387 mean?

Key Transponder Signal Not Received: The immobilizer system is not receiving the key transponder signal — vehicle will not start.

Body Code · High

What does B1387 mean?

The immobilizer system is not receiving the key transponder signal — vehicle will not start.

System: Immobilizer

B1387 is a body diagnostic trouble code indicating key transponder signal not received. This code is classified as high severity, which means: address soon — may cause further damage.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.