What usually causes P0715?

Speed sensor, wiring, mechatronic unit.

P0715Input/turbine speed sensor A circuit

P0715 means “Input/turbine speed sensor A circuit”. It's a generic powertrain code (transmission), so it means the same on every make, including VW, Škoda, Audi, SEAT and Cupra.

Fix soon
SystemTransmission
TypeGeneric (same on all makes)
VCDS number17099

How urgent is it?

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

Which system and module

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

Usually stored by the gearbox control unit (VCDS address 02, Transmission); the engine control unit often stores a copy.

What usually causes it

Speed sensor
wiring
mechatronic unit

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

Related codes

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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.