B173d Peugeot ^new^

: The physical coil or reader in the steering column or center console may be damaged.

: The engine may fail to start or the dashboard may display a "key not detected" warning.

If you own a Peugeot and have encountered the fault code , you are likely dealing with an issue related to your vehicle’s door mirrors. This code is specific to the Body Control Module (BCM) and relates to the electrical functioning of the mirror adjustment or folding mechanism. b173d peugeot

Models equipped with keyless entry or push-button start will display a distinct remote control error warning.

The car's main computer (BSI) may have a software "hang-up". : The physical coil or reader in the

When this fault code is active, you may experience the following issues: "Key Not Detected" warning on the dashboard. Engine starting issues

Because Peugeot models link electrical network stability together, a key-read fault can trigger a generic "Engine Failure: Have your vehicle repaired" warning on the dash. Visual & Electrical Layout of Key Systems This code is specific to the Body Control

Before taking components apart, swap out the battery inside your remote control. Use a high-quality name-brand CR2032 battery. Clean any micro-corrosion off the internal metal contact tabs inside the fob using a drop of rubbing alcohol on a cotton swab. Step 2: Test the Spare Key Attempt to start the Peugeot using your backup factory key.

Disconnecting the battery without following the correct BSI reset procedure — or allowing the battery to run completely flat — can desynchronize the key transponder from the BSI. This requires a resynchronization process, not a hardware replacement.

Peugeot Warning Lights: Dashboard Symbols, Meanings & Next Steps