If the wiring and battery are healthy, the issue is likely internal to the ECU: Hard Reset:
The Renault Scenic 2 is available with a range of petrol and diesel engines, including: df038 renault scenic 2
If accompanied by a "Steering Fault" message, check the 70A and 5A fuses for the Electronic Power Assisted Steering (EPAS). If the internal fault is permanent, the steering column may need replacement or professional electronic repair. The Renault Scenic 2: A Practical and Reliable
Once the brain was healed, the nervous system began to act up. df038 renault scenic 2