P0049 fault code: what it means

P0049: Turbo turbine overspeed detected. Engine may cut power to protect the turbo.

Engine and gearbox (powertrain) · Costly if missed

Usual causes, most likely first

1. sticking variable turbo vanes
2. boost leak or split intercooler hose
3. faulty boost sensor
4. worn turbo

P0049 by make

What the repair usually costs

• Turbocharger replacement (petrol)NZ$1,710–NZ$4,560 · A$1,560–A$4,240
• Intercooler or boost hose replacementNZ$250–NZ$1,780 · A$250–A$1,710

Not sure what P0049 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.