While many B173D cases can be resolved by a DIY owner with basic tools, certain situations warrant professional assistance:
Check the key fob battery condition before replacing expensive hardware components. Try using your backup mechanical spare key to isolate whether the issue lies in the primary fob or the vehicle's receiver module. 2. Execute a BSI "Soft Re-boot" Procedure b173d peugeot work
The Body System Interface (BSI) is faulty and not properly interpreting the key's signal. While many B173D cases can be resolved by
Many people see the B173D code and immediately assume the worst, like a failed security module. In reality, the symptoms are often much simpler and more mechanical. A B173D fault typically presents itself in one of these ways: Execute a BSI "Soft Re-boot" Procedure The Body
Dropping your key fob can dislodge or crack the delicate, surface-mounted transponder chip inside the key housing, corrupting the physical transmission of the security code. How to Get Your Peugeot Working: Step-by-Step Diagnostics