| Judder pulling away |
“It shakes as I move off or reverse.” |
DCT clutch/actuator, conventional-auto clutch application, mounts or hybrid transition |
| Delay then engage |
“I select Drive and it pauses before moving.” |
Hydraulic pressure, clutch application, valve body or DCT control |
| RPM flare |
“The revs rise without matching acceleration.” |
Clutch slip, hydraulic pressure, CVT ratio control or internal wear |
| Harsh low-speed shift |
“It jerks between the lower gears.” |
Adaptation, valve body, DCT control or mounts |
| Whine / hum |
“The noise changes with speed.” |
Transmission/CVT bearings, differential, electric drive or wheel bearing |
| Warning / reduced power |
“The gearbox or hybrid warning appears.” |
Stored TCM/hybrid DTC, pressure/control fault or protection mode |