The DQ250 6-speed DSG (dual clutch) automatic transmission in my 2017 Volkswagen CC Executive has catastrophically failed at 37,768 miles. COMPONENT FAILURE: The mechatronic unit, the electro-hydraulic controller that manages all gear selection and clutch engagement inside the DSG transmission has failed. The transmission is available for inspection upon request. WHAT HAPPENED: Symptoms began with intermittent failure to engage gear after stopping at intersections and stop signs. The transmission would slip out of gear or refuse to engage, leaving the vehicle momentarily unable to accelerate from a dead stop in traffic, a dangerous condition with cross-traffic approaching. The condition progressed to include an audible whining and slipping noise during downshifts, consistent with inadequate hydraulic clamping pressure on the clutch pack. The transmission then lost the ability to engage reverse gear entirely. The vehicle was driven home in forward gears only and is now inoperable and parked. SAFETY RISK: On multiple occasions, the vehicle was unable to accelerate from a complete stop at intersections with active cross-traffic. Loss of reverse gear eliminates the ability to maneuver out of dangerous situations in parking lots, driveways, and streets. This vehicle is unsafe to operate. WARNING SIGNS: No warning lamps or dashboard messages appeared prior to or during the failure. The first symptom was intermittent hesitation and slipping when attempting to engage from a stop. The condition worsened rapidly over a short period until reverse was lost completely. DEALER/MANUFACTURER CONTACT: The manufacturer was contacted. A callback was promised within two business days and was never received. The vehicle has not yet been inspected by a dealer because the servicing dealer, a Volkswagen-authorized dealership, has permanently closed. The vehicle is awaiting tow to a specialist for diagnostic confirmation. MAINTENANCE HISTORY: At SM VW until it closed. Once at Indy Shop
NHTSA ODI 11741730