P0380R
ŚredniGlow Plugs — Circuit Fault (Renault)
OBD-II (EN): Glow Plug Circuit Malfunction
Code P0380R — Glow Plugs — Circuit Fault (Renault). Symptoms: hard cold start. Possible cause: burnt-out glow plugs. Professional diagnosis recommended.
Symptoms
Hard cold start, white smoke, glow plug warning light
Possible causes
Burnt-out glow plugs, faulty glow plug controller, corroded connectors
Affected systems
Silnik spalinowyUkład zapłonowy
Universal version
This code has a universal OBD-II form:
P0380Świece żarowe — usterka obwodu (Opel)Tags and synonyms
Does code P0380R 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.