OBD-II Code

P0380 — Glow Plug Heater Circuit A Malfunction

Malfunction detected in glow plug or heater circuit A

System Engine

Severity High

Safe to drive? Yes, with caution

Advanced scanner Not necessarily

What does code P0380 mean?

Malfunction detected in glow plug or heater circuit A

Common symptoms

Hard cold starting
white smoke
rough idle

Possible causes

Burned glow plugs
faulty relay
blown fuse

Initial recommendation

Inspect glow plugs, relay and system fuse.

Safety notice

This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.

Analyze this code with MecaOBD

Use the app to combine code P0380 with your vehicle's actual symptoms for more complete diagnostic guidance.

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