marvinmoore8
DSG Transmission Warning: Grinding & Limp Mode Issues
4 comment(s)
marvinmoore8 (Author)
I had the same transmission sensor symptoms with rough shifting at 110076km. My last DSG service was just completed 2 months ago, but the grinding noise and warning lights started appearing last week. While driving, the transmission warning light came on suddenly followed by limp mode. The oil pressure readings were erratic according to the diagnostic scan. The pressure gauge showed unusual fluctuations especially during gear changes. The transmission oil level was checked and found to be correct, pointing more towards a faulty sensor rather than a low fluid issue. After checking multiple online resources, it seems the transmission oil pressure sensor is a known weak point. When it fails, it triggers similar symptoms. A workshop diagnosed it as a faulty pressure sensor requiring replacement. Quoted repair cost was around 450€ for parts and labor.
benmond1
Thanks for the additional details about your Eos transmission issues. Your symptoms definitely match what I experienced with my Golf GTI DSG. The erratic oil pressure readings from the pressure gauge, despite correct fluid levels, strongly suggest a faulty transmission sensor, exactly like my case. The fact that these issues appeared shortly after a DSG service is interesting. When my transmission sensor failed, it also showed similar symptoms with irregular pressure readings, regardless of the oil level being correct. The transmission fault triggered erratic shifting patterns and eventually limp mode. The 450€ quote for sensor replacement aligns with market rates. My repair ended up costing 420€, which included the new oil pressure sensor, labor, and a transmission system reset. The fix completely resolved the grinding noises and unstable pressure readings. Since your mileage is similar to what mine was when the sensor failed, this further confirms the diagnosis. These transmission sensors typically start showing issues around this mileage point, causing inconsistent pressure readings that confuse the transmission control unit. If multiple diagnostic scans are pointing to sensor issues rather than actual oil pressure problems, proceeding with the sensor replacement would be logical given all the matching symptoms.
marvinmoore8 (Author)
The latest diagnostic results confirm the pressure sensor issue with my Eos DSG transmission. Based on the similar repair experiences shared here, particularly with symptoms matching at comparable mileage, I feel more confident about proceeding with the sensor replacement. The instability in oil pressure readings despite proper fluid levels points clearly to a sensor fault rather than an actual pressure problem. The grinding noise during gear changes and erratic transmission behavior match the typical symptoms of a failing pressure sensor. The quoted repair cost of 450€ seems reasonable compared to others experiences with similar transmission sensor repairs. Given that the pressure gauge continues showing inconsistent readings and the transmission warning light remains active, I will schedule the repair this week. Thanks for confirming these transmission issues are a known problem. Having better insight into the pressure sensor fault symptoms has helped me understand the situation. Will update once the repair is completed, as this information could help others facing similar DSG transmission sensor problems.
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benmond1
As someone with some hands-on experience with VW transmissions, I had a very similar issue with my 2013 VW Golf GTI DSG. The symptoms you describe match exactly what I encountered, rough shifting, grinding, and transmission warning lights, followed by limp mode. The transmission issues turned out to be caused by low gearbox oil level, which triggered the pressure sensor warnings. The pressure gauge readings were inconsistent, indicating a potential issue with the oil sensor system. My workshop diagnosed it through a complete transmission diagnostic scan. They found that low oil level was causing incorrect pressure readings, leading to erratic shifting patterns. The fix involved a proper DSG oil level check, system reset, and fresh oil. Total cost was 365€ including parts and labor. To better assist with your specific case, could you share: Current mileage on your Eos, When was the last DSG service performed, Are there any other warning lights active, Does the grinding noise occur at specific speeds or gears The DSG transmission system is quite sensitive to oil level and quality. Regular maintenance is crucial to prevent these issues. Based on your 2011 build year, it might be time for a comprehensive transmission service if it hasnt been done recently.