Hybspec

P2458

Wysoki

DPF — regeneration time (BMW)

OBD-II (EN): DPF Regeneration Time Too Long

Code P2458 — DPF — regeneration time (BMW). Symptoms: dpf warning light. Possible cause: excessive soot. Professional diagnosis recommended.

Symptoms

DPF warning light, black smoke, power loss, prolonged regenerations

Possible causes

Excessive soot, damaged injectors, exhaust gas temperature sensor fault, clogged DPF

Affected systems

Silnik spalinowyUkład wydechowyDPF/FAP

Related codes

Code P2458 appears in these brands

Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.

Does code P2458 require professional diagnostics?

The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.