B173d Peugeot Jun 2026

: Low voltage in the main car battery can cause "ghost" faults in the BSI. Ensure the battery is fully charged (typically above 12.7V when off).

: Many Peugeot owners solve this by performing a specific "battery reset" procedure. This involves disconnecting the battery, waiting, and then following a sequence (like turning on headlights through an open window) to "wake up" the BSI properly. b173d peugeot

A: Generic OBD2 scanners only read engine and transmission codes (P0700 series). You need a PSA-specific scanner (Lexia 3, DiagBox, or high-end Autel/Mac Tools) that can communicate with the BSI module. : Low voltage in the main car battery