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P06DC fault code: what it means

P06DC: Variable oil pump (engine oil solenoid valve) circuit high. Oil pressure control goes to default.

Engine and gearbox (powertrain) · Minor

Usual causes, most likely first

  1. engine oil solenoid valve
  2. wiring shorted to power
  3. PCM

P06DC by make

Mazda

Variable oil pump (engine oil solenoid valve) circuit high. Oil pressure control goes to default.

Usual causes: engine oil solenoid valve; wiring shorted to power; PCM

Not sure what P06DC 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.