Peugeot | B173d

The code indicates a handshake failure in this process. The BSI "knows" a heating assembly exists, but it cannot recognize its configuration.

When this code is stored, you may notice several issues related to the vehicle's security and ignition systems: b173d peugeot

to check live data and see if the BSI is "locked" or if keys are "matched". The code indicates a handshake failure in this process

: If the fault persists after changing batteries, performing a BSI reset (a specific sequence of disconnecting/reconnecting the car battery) can sometimes clear software glitches. Detailed procedures are often shared on communities like Peugeot Forums . : If the fault persists after changing batteries,

Moisture ingress or vibration can cause corrosion on the yellow airbag connector under the steering wheel or behind the airbag module. Even a slightly loose pin increases resistance.

Unlike engine-related codes (P-codes), B-codes (Body codes) can be more intimidating to diagnose. This article will explain everything you need to know about the , from its precise technical definition to step-by-step diagnostic and repair procedures.