Your 2020 Acura NSX's 9-speed dual-clutch transmission should deliver seamless, rapid-fire shifts befitting a supercar. When jerking or hesitation occurs—especially in Sport mode where performance should be optimized—it raises concerns. Understanding this unique transmission helps determine if you're experiencing normal characteristics or problems.
The NSX 9-Speed DCT
The NSX uses a specially developed 9-speed DCT positioned behind the mid-mounted V6. This transmission:
- Handles both engine power and integrated electric motor torque
- Provides faster shifts than conventional automatics
- Uses two clutch packs (odd and even gears)
- Adjusts behavior based on driving mode
Drive Mode Differences
The NSX offers multiple modes affecting transmission behavior:
- Quiet: Smooth, understated shifts prioritizing refinement
- Sport: Faster shifts, more engine involvement
- Sport+: Aggressive shifts, higher RPM holding
- Track: Maximum performance, fastest shift speeds
Sport mode specifically calibrates for faster, more aggressive shift engagement.
Normal Sport Mode Behavior
In Sport and Sport+ modes, expect:
- Faster, more abrupt shifts
- Rev-matching on downshifts (feels like engine braking)
- More aggressive throttle response
- Less filtering of powertrain sensations
What feels like jerking may be the transmission behaving as designed.
When It's Actually a Problem
Concerning symptoms include:
- Grinding or clunking noises
- Inconsistent behavior in the same conditions
- Warning messages
- Hesitation lasting several seconds
- Issues that persist across all modes
Potential Issues
If jerking exceeds normal sport behavior:
- Clutch adaptation - May need recalibration
- Software calibration - Updates may be available
- Mechatronic issues - Control unit problems
- Clutch wear - Though uncommon at NSX mileage
Service Approach
NSX transmission concerns require:
- NSX-certified Acura dealer
- Specialized diagnostic equipment
- Technicians trained on the unique DCT