P0404 EGR performance code

Fault Code P0404 - EGR Valve - p0404 Had my EGR valve replaced 4 weeks ago on MY15 CC D2 and since then had a check engine light in 3 occasions, fault code P0404 EGR Control Circuit Performance p0404 The P0404 fault code indicates an issue with the Exhaust Gas Recirculation system This

p0404 It spat out P0404 Exhaust Gas Re-circulation Control Circuit RangePerformance code The EGR has been removed and deleted on the ECU, any ideas what it is