: A temporary communication error within the BSI can lead to "unexpected reinitialization" and key recognition failure.
: The car may refuse to crank or start because the BSI is blocking the engine ECU due to an immobilizer mismatch. b173d peugeot work
If you are facing a "no start" situation with code B173D, you can attempt these diagnostic steps: Electrical circuit fault: have your vehicle repaired : A temporary communication error within the BSI
: The fault is often listed as "intermittent," meaning the key might work sometimes but fail at others. b173d peugeot work
: The internal transponder chip or the hands-free remote battery may be failing.