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What are the symptoms of a faulty dual-clutch transmission computer?

2 Answers

DeVera

07/29/25 8:09am

Transmission computer failure symptoms: difficulty shifting gears, gear slippage, and gear lock. Specific details are as follows: 1. Introduction: The transmission is a core component of a car, and replacing the transmission in a new vehicle will depreciate its value. 2. Maintenance method: When shifting gears in a manual transmission, always ensure the clutch is fully depressed to completely cut off power, preventing gear impact and grinding during shifting, thereby reducing gear damage. 3. Temperature-related maintenance: During vehicle operation, pay attention to the transmission's temperature and any abnormal noises. If the housing temperature exceeds 70-80 degrees, it indicates some components inside the transmission are not functioning properly. Stop the vehicle immediately for inspection and address the issue promptly. Car owners unfamiliar with vehicles can visit the nearest repair shop for professional diagnosis and repair.

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McJudah

08/12/25 11:21am

When the dual-clutch transmission control unit in my car malfunctioned, driving felt like a novice learner shifting gears - the violent jerking on flat roads could make you dizzy. At red lights, the car wouldn't move in D gear no matter what, requiring an engine restart to proceed. Trying to overtake on highways, the RPM would surge but the gear wouldn't downshift, leaving the engine roaring without acceleration. The scariest moment was when a wrench icon suddenly appeared on the dashboard indicating transmission failure, then it got stuck in 3rd gear - no amount of throttle could increase speed. The mechanic who read the error codes said the control unit was sending chaotic signals that confused the solenoid valves. Looking back, it's still frightening - such failures can't be ignored, or you might end up with a completely ruined transmission.

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