B173d Peugeot -

In Peugeot and Citroën vehicles, is not a feature but a specific diagnostic fault code (DTC) related to the vehicle's security system Fault Code Definition indicates a failure in identifying the mechanical/electronic key

Conclusion and Future Directions

Step 4: Diagnostic Scan: Use a dedicated diagnostic tool like Diagbox to read the specific BSI logs and clear the codes once the hardware issue is fixed . AI responses may include mistakes. Learn more b173d peugeot

Before taking the car to a mechanic, you can attempt these standard Peugeot reset procedures: Check the Key Battery: In Peugeot and Citroën vehicles, is not a

Fix 3: Repair Wiring / Replace Connector

If voltage tests show no power, trace the two wires back to the BSI (under the dashboard). This is tedious. A professional auto electrician will charge ~$80 to repair a broken wire. Do not attempt unless you have wiring diagrams. This is tedious

Weak Key Fob Battery: A low battery in the remote can prevent the immobilizer signal from being read correctly .