Q: What causes the B173D Peugeot work code? A: The B173D Peugeot work code can be caused by a faulty actuator, wiring problems, a faulty BCM, or low voltage.
Clear codes with OBD2 / PP2000 diagnostic tool (generic scanners may not reset SRS codes – need Diagbox / Lexia).
Q: What is the B173D Peugeot work code? A: The B173D Peugeot work code is a diagnostic trouble code that is associated with the vehicle's electrical system.
Reconnect, wait 10 seconds, then turn on the side lights through the window to "wake" the system.
Ignoring this code can lead to dangerous driving conditions. If the ECU cannot verify when you are braking, it may disable emergency braking assistance or electronic stability control. Furthermore, if your brake lights are not functioning correctly, you run a high risk of being rear-ended.