B173d Peugeot

code is indeed an "interesting piece" of Peugeot (and Citroën) diagnostics, as it points directly to a breakdown in the conversation between the car and its key. Technically, it is defined as a Fault in identifying the mechanical/electronic key or the hands-free remote control present in the reader. Why it's a "Head-Scratcher"

2. Carbon Fouling (The Silent Killer)

Peugeot BlueHDi engines are notorious for carbon buildup. Because the glow plugs extend into the combustion chamber, they become crusted with hard, black carbon. This carbon can: b173d peugeot

No Crank at All: Turning the key or pressing the Start button does nothing. code is indeed an "interesting piece" of Peugeot

The Fix: How to Clear B173D Permanently

Once you have diagnosed the faulty component, here is the repair path. they become crusted with hard