B173d Peugeot |best| Online

The code is a classic, predictable failure on modern Peugeot, Citroen, and DS diesel engines. While the code sounds like a complex body control module error, it is almost always a simple electrical fault in the cylinder 4 glow plug circuit.

: Low vehicle battery voltage can cause "phantom" BSI codes. b173d peugeot

: Messages such as "Electronic anti-theft faulty" or "Key not detected" may appear on the multi-function display. Potential Causes Several factors can trigger the B173D fault: Faulty Key or Transponder The code is a classic, predictable failure on