Is P177D Dual Clutch Torque Too High Normal?

[NatalieFitz]

P177D dual clutch torque being too high is not normal and requires immediate inspection. Below is a detailed introduction about automotive clutches: Overview: The automotive clutch is located within the flywheel housing between the engine and the transmission. The output shaft of the clutch serves as the input shaft of the transmission. During vehicle operation, the driver can depress or release the clutch pedal as needed to temporarily separate or gradually engage the engine and transmission, thereby cutting off or transmitting the engine's power input to the transmission. Principle: The driving and driven parts of the clutch utilize friction between contact surfaces, employ liquid as a transmission medium, or use magnetic transmission (electromagnetic clutch) to transmit torque. This allows for temporary separation and gradual engagement between the two parts, while also permitting mutual rotation during the transmission process.

[DeLaura]

I've been driving a dual-clutch model for many years and encountered the P177D fault code several times, which indicates excessively high dual-clutch torque—absolutely abnormal. Under normal conditions, clutch torque should be smooth; excessively high torque can cause transmission slippage, vehicle shaking during starts or acceleration, and even lead to transmission overheating and failure. Common causes include worn clutch plates, dirty hydraulic fluid, or control system software errors. I recommend immediately using a diagnostic tool to read specific data streams and avoid prolonged driving to prevent more expensive repairs. My experience suggests that early replacement of transmission fluid and component cleaning can resolve the issue; delaying might cost you tens of thousands in repairs.

[AubreyLee]

Last year my car also showed the P177D warning - dual clutch torque too high, which really startled me. This is not a normal condition. The car jerks noticeably in traffic jams and doesn't drive smoothly. I asked the mechanic, who said it might be improperly adjusted clutch clearance or dirty sensors, which can accelerate wear over time. Such faults are quite common now - you need to visit a professional shop to check the diagnostic trouble codes and get a comprehensive inspection. Ignoring it will increase fuel consumption and safety risks, especially when changing lanes with unstable torque.

[Margie]

P177D code indicates abnormal torque increase in the dual clutch system, which is definitely problematic. Normal torque should remain within the specified range. Excessive torque may be caused by damaged clutch plates or electronic control module failure. Torque imbalance can affect driving smoothness and may even lead to transmission jamming. Inspection procedures include checking the hydraulic system and software updates. Timely intervention can prevent more serious issues.