B173d Peugeot Work ((exclusive)) Link

Crucially, many owners report that —for example, the lights still work, the windows still operate, and the engine runs fine. This indicates that the problem is often a logical or voltage‑related fault, rather than a physical failure of each component.

Generic OBD2 scanners often misinterpret BSI codes. A Peugeot-specific DiagBox or PP2000 scanner is required to:

You take it to the garage, where the mechanic plugs in a scanner. The screen spits out B173D:86 – Fault in identifying mechanical/electronic key b173d peugeot work

The B173D fault code is officially described as:

A story involving code in a Peugeot usually starts with a minor annoyance and ends with a deep dive into the car's "brain," the Built-in Systems Interface (BSI) . This specific fault code refers to an invalid identifier Crucially, many owners report that —for example, the

Once the cause of the B173D fault code is identified, the necessary repairs can be undertaken:

: Drivers will face a "no crank, no start" condition, frequently paired with a dashboard notification reading "Key Not Detected". Primary Causes of Key Detection Failures A Peugeot-specific DiagBox or PP2000 scanner is required

Diagnosing the B173D fault code requires a systematic approach: