If you scan your Peugeot and see B173D, look for these related codes. They help pinpoint the source:
Perform a state-of-health test on your car battery. If it sits below 12.2V with the engine off, charge or replace it. b173d peugeot work
To reduce the chance of B173D and other BSI‑related faults, follow these simple preventive practices: If you scan your Peugeot and see B173D,
A or a competent automotive electrician with PSA‑group experience will have the necessary tools and knowledge to resolve the issue quickly. b173d peugeot work