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P1413 fault code: what it means

P1413: Secondary air injection monitor circuit low.

Engine and gearbox (powertrain) · Minor

Usual causes, most likely first

  1. failed secondary air pump relay
  2. wiring fault

P1413 by make

BMW

Secondary air injection monitor circuit low.

Usual causes: failed secondary air pump relay; wiring fault

Land Rover

Secondary air injection control valve stuck open (bank 1).

Usual causes: stuck secondary air valve; vacuum control fault

Not sure what P1413 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.