What usually causes P0380?

Glow plug, glow plug module, wiring.

P0380Glow plug/heater circuit A

P0380 means “Glow plug/heater circuit A”. It's a generic powertrain code (ignition system or misfire), so it means the same on every make, including VW, Škoda, Audi, SEAT and Cupra.

Fix soon
SystemGlow plugs
TypeGeneric (same on all makes)
VCDS number16764

How urgent is it?

Worth fixing soon; usually drivable meanwhile, but watch for symptoms.

Which system and module

Scanline files it under Glow plugs. The first letter, P, means powertrain (engine, transmission, emissions).

Usually stored by the engine control unit (VCDS address 01, Engine).

What usually causes it

Glow plug
glow plug module
wiring

Typical causes are a starting point, not a diagnosis of your car.

Related codes

Got this code on your car?

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Scanline explains fault codes; it isn't a repair authority. This page explains what the code means; it can't tell you what is wrong with your car. Ross-Tech's wiki has their own notes on VW Group faults.