P0509: what does this code mean?

Idle control: system or valve

Parts to check, to be confirmed by diagnosis

1. Idle air control valveSearch for my vehicle
2. Throttle bodySearch for my vehicle

Good to know: With an electronic throttle, the throttle body controls the idle: cleaning first.

A code points to a circuit or a function, not a part number: confirm by diagnosis before ordering.

Nearby codes:P0508

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