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P1009 fault code: what it means

P1009: VTC advance malfunction: cam timing not advancing as commanded. Often a clogged VTC strainer, low oil or worn VTC actuator.

Engine and gearbox (powertrain) · Costly if missed

Usual causes, most likely first

  1. VTC oil strainer clogged
  2. low or dirty engine oil
  3. VTC actuator (cam gear) worn
  4. VTC solenoid valve

P1009 by make

Honda

VTC advance malfunction: cam timing not advancing as commanded. Often a clogged VTC strainer, low oil or worn VTC actuator.

Usual causes: VTC oil strainer clogged; low or dirty engine oil; VTC actuator (cam gear) worn; VTC solenoid valve

Not sure what P1009 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.