Renault Valve Relay Fault – Fault Codes 20675 / 50C3 / C10C3 / DF017 Repair

About the Valve Relay Fault

Renault fault codes 20675, 50C3, C10C3, and DF017 indicate issues with the valve relay system or related ECU circuits. These faults can affect engine performance, hydraulic systems, or other vehicle functions. Professional diagnostics and repair ensure safe and reliable vehicle operation while preventing further ECU or system damage.

Symptoms of Valve Relay Faults

  • Check Engine or warning lights illuminated
  • Reduced engine performance or abnormal operation
  • Hydraulic system or actuator malfunction
  • Intermittent ECU communication errors
  • Dashboard fault codes: 20675 / 50C3 / C10C3 / DF017

Professional Repair Services

Our technicians provide full Renault valve relay fault repairs, including:

  • ECU diagnostics and valve relay circuit testing
  • Repair or replacement of faulty relays
  • Hydraulic or actuator system verification
  • Full system fault clearance and performance testing

Book Your Renault Valve Relay Repair

Call 07779 836677 or complete the form below to schedule your Renault valve relay fault repair with our specialists.

Renault Valve Relay Fault Repairs | Tel: 07779 836677