B173d Peugeot

Demystifying Peugeot Fault Code B173D: Key, Transponder, and Non-Start Issues Explained

: Dropping the key can fracture the fragile, surface-mounted transponder coil inside the key casing. 2. Low Vehicle System Voltage b173d peugeot

Other modern Peugeot models (2008, 308, 508) utilizing the PSA Group’s latest electronic architecture. Key Symptoms of a B173D Fault Demystifying Peugeot Fault Code B173D: Key, Transponder, and

If the fault returns, hook up a vehicle scanner capable of reading manufacturer-specific PSA telemetry (such as or a premium iCarsoft unit). Key Symptoms of a B173D Fault If the

The root cause of the B173D code is a failure in communication between your key (or remote) and the BSI. This can be triggered by a variety of factors:

In Peugeot and Citroën (PSA Group) architecture, codes starting with "B" refer to the Body domain, which is managed primarily by the BSI module.