B173d Peugeot Hot! ◎

The simplest cause. If the signal is too weak, the reader near the ignition barrel or in the cabin can't "handshake" with the key.

Peugeot electronics are notorious for throwing "ghost codes" when the main 12V battery is dying. Low voltage during the start-up sequence can cause the BSI to fail the key identification check. b173d peugeot

Essentially, the car’s central computer (the or Built-in Systems Interface) cannot verify that a valid key is being used. Because this is tied to the immobiliser system , the vehicle will often refuse to crank or start to prevent theft. Common Symptoms The simplest cause