Citroen 09d1 ((better)) (2026)

Generic OBD2 readers often show only P0299 (Turbo Underboost). You need a clone or a high-end multi-brand scanner to see the 09D1 code along with live data. Look at "Turbo pressure setpoint" vs. "Turbo pressure actual" at idle and at 2,500 RPM.

: Code 09D1 (or decimal 02513) refers to a seat belt sensor for detecting child seat presence ( G453cap G 453 Other Contexts for 09D1 citroen 09d1