Judder and faults on the EDC dual-clutch automatic

Engine / equipment

6-speed EDC gearbox (dual clutch, DC4 / 6DCT250)

Period mentioned

Approx. 2012–2019

Symptoms

Low-speed judder, harsh 1st–2nd shifts, clunks when selecting D or R, overheating warnings in traffic and a “Check auto gearbox” message.

Possible cause described

Clutch wear, degraded gearbox oil and faults in the software or control module (TCU). Renault released several software updates and revised the oil specification.

Check for the garage

Check software updates and the gearbox oil-change history; reset the clutch adaptations with a diagnostic tool and replace the clutch only if wear exceeds the adjustment range.

Cost cited in the source

Approx. €1,500–2,500 to replace the whole clutch mechanismA rough figure from the original database, not an up-to-date quote.

Sources from the original database