Turning the key or pressing the Start button does nothing.
The car starts fine some days but fails others, often in cold or damp weather. 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 Turning the key or pressing the Start button does nothing
The remote buttons may stop working entirely. Why is it Happening? (Causes) Because this is tied to the immobiliser system
The physical coil or antenna that picks up the transponder signal (usually around the ignition switch or in the center console) may be faulty or have a loose connection. Troubleshooting and Fixes
On Peugeot and Citroën (PSA Group) vehicles, is defined as: