A split hose or a leaking intake manifold gasket can give the sensor a false reading.
If you'd like to dive deeper into your Renault Scenic's health: Tell me your (e.g., 1.5 dCi, 1.6 petrol) Share any other fault codes appearing on your scanner df045 renault scenic
Open the hood and locate the MAP sensor. It is usually a small black plastic box bolted to the intake manifold or connected via a short rubber hose. Check the wires leading to it. If you see bare copper or brittle plastic, you’ve found your problem. 2. Clean the Sensor A split hose or a leaking intake manifold