A low 12V car battery can cause weird BSI issues. Ensure the car battery is healthy. Step 4: Perform a "BSI Reset" Sometimes the BSI just needs a power cycle. Lower the driver's window. Turn off the ignition, remove the key, and close all doors. Wait 3 minutes (until the BSI goes to sleep). Disconnect the negative terminal of the car battery. Wait 5 minutes. Reconnect the battery. Wait another 3 minutes before trying to start the car. Step 5: Check Antenna Connectors
Proximity systems always have an emergency override backup spot. This is usually a physical slot in the dashboard or a designated target emblem on the steering column shroud.
Proves the vehicle is struggling with its broader exterior keyless entry proximity loop network. 💡 Summary Recommendations b173d peugeot
, which involves a specific battery disconnection and reconnection sequence known as the "3-minute rule". Wiring Issues
: Difficulties locking or unlocking the vehicle remotely. Common Causes A low 12V car battery can cause weird BSI issues
Reach through the open window and switch on the sidelights to wake up the system network layout.
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: Lower the driver's window
This code indicates that the vehicle's electronic control unit (ECU) or Built-in Systems Interface (BSI) is having trouble communicating with the key . Common symptoms include:
This is the easiest and cheapest first step.
