B173d Peugeot Work
The rain was lashing against the windshield of Elias’s Peugeot when he first saw the message. It wasn’t a standard "Service" light; it was a stubborn refusal. He turned the key, and the dashboard blinked back at him like a confused owl. Key not detected.
Step 4: Multimeter Verification (Component Testing)
Remove the lock assembly from the door. Use a multimeter to test the pins on the lock connector (refer to a wiring diagram for your specific model, typically 4 to 6 pins): b173d peugeot work
Since "b173d" is not a standard, globally recognized trim level or model name for Peugeot (which typically uses designations like Allure, GT, GT Line, or Active), it is highly likely you are referring to one of two things: The rain was lashing against the windshield of
Perform a BSI Reset: This "soft reset" can clear communication errors without tools. Open the driver's window and turn off all electronics. Key not detected
Peugeot Fault Code: B173D
Definition
B173D: Passenger Airbag Deactivation Switch – Circuit Malfunction / Inconsistent Signal
The screen flickered and spat out a single, cold string of characters:
Check BCM communications & software
