How to repair Renault auto box problem?

To repair a Renault auto box problem, first, diagnose the issue using a diagnostic tool to retrieve any fault codes. Common issues may include low Transmission Fluid, electrical faults, or worn components. Depending on the diagnosis, you may need to replace the fluid and filter, repair or replace faulty sensors, or address mechanical issues within the gearbox. It's advisable to consult a professional mechanic for complex repairs to ensure proper handling and avoid further damage.