P1580 fault code: what it means

P1580: Throttle actuator (bank 1) fault. EPC light and limp mode are possible.

Engine and gearbox (powertrain) · Costly if missed

Usual causes, most likely first

dirty or sticking throttle body
faulty throttle actuator (V60)

P1580 by make

Audi

Throttle actuator (bank 1) fault. EPC light and limp mode are possible.

Usual causes: dirty or sticking throttle body; faulty throttle actuator (V60)

Honda

IMA battery current circuit problem. Assist and regen may be limited.

Usual causes: battery current sensor; battery condition monitor; wiring fault

Mercedes-Benz

Throttle motor (bank 1) circuit fault. Limp mode.

Usual causes: faulty throttle body; wiring fault

Skoda

Throttle actuator (bank 1) fault. EPC light and limp mode are possible.

Usual causes: dirty or sticking throttle body; faulty throttle actuator (V60)

Volkswagen

Throttle actuator (bank 1) fault. EPC light and limp mode are possible.

Usual causes: dirty or sticking throttle body; faulty throttle actuator (V60)

What the repair usually costs

Automatic transmission rebuild, 6-speed and up (sent to specialist)NZ$7,190–NZ$13,080 · A$6,190–A$11,830
DSG / dual-clutch mechatronic unit replacement (new or reman)NZ$4,300–NZ$7,160 · A$3,750–A$6,390
DSG mechatronic repair / rebuild (unit sent to specialist)NZ$2,070–NZ$4,800 · A$1,890–A$4,250
Throttle body clean and idle relearnNZ$90–NZ$190 · A$100–A$200

Not sure what P1580 means on your car? Ask Credov.

Before you clear it

Write the code down or photograph the scanner first. A code that comes straight back after clearing points to a fault that is still there. A car whose codes were cleared just before you arrived may be hiding one: the scanner's readiness monitors show "not ready" for a while after codes are cleared.

Researched by Credov from manufacturer and workshop sources. A fault code points to where a fault may be; a workshop confirms it with a diagnosis. Browse all fault codes.