DF045 can also point to a Manifold Absolute Pressure (MAP) sensor circuit
Driving with a faulty differential pressure sensor will prevent DPF regeneration. Within 100-200 km, your DPF will clog solid, leading to a much more expensive replacement (€800+). You may also damage the turbo due to excessive exhaust back pressure. df045 renault scenic
While the code points to the sensor, the sensor isn't always the "guilty" part. Diagnostic codes tell you where the circuit is failing, not necessarily which component is broken. Internal failure due to heat or age. DF045 can also point to a Manifold Absolute