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P15A1 fault code: what it means

P15A1: Engine oil pressure control solenoid sticking. Oil pressure may be wrong; check the oil level and grade.

Engine and gearbox (powertrain) · Costly if missed

Usual causes, most likely first

  1. sticking oil pressure control valve
  2. sludged or wrong-grade oil
  3. oil pump fault

P15A1 by make

Mini

Engine oil pressure control solenoid sticking. Oil pressure may be wrong; check the oil level and grade.

Usual causes: sticking oil pressure control valve; sludged or wrong-grade oil; oil pump fault

What the repair usually costs

Not sure what P15A1 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.