B173d Peugeot Verified Review

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.

While a faulty key is the most obvious culprit, B173D is often a symptom of wider electrical "confusion" in the Peugeot's complex BSI system. 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 Peugeot electronics are notorious for throwing "ghost codes"

Before spending hundreds at a dealership, try these steps in order: 1. Replace the Key Fob Battery b173d peugeot