Land Rover Discovery Sport check engine light with diagnostic code P0234, turbocharger controller replacement needed on Land Rover Discovery Sport

Some Land Rover Discovery Sport owners report experiencing issues related to the check engine light, specifically with diagnostic trouble code P0234, which indicates an overboost condition in the turbocharger system. These owners emphasize the importance of promptly diagnosing the issue using a scan tool and conducting a thorough inspection of the turbocharger system to prevent potential performance problems and engine damage. Additionally, some report checking for boost leaks in intake hoses, intercooler connections, and vacuum lines, as these can contribute to the overboost condition. If the problem persists, it may be necessary to replace the turbocharger controller to resolve the issue. Addressing these concerns quickly is crucial for maintaining the proper functioning of the turbocharger system.