Check for Technical Service Bulletins (TSBs)
 

• Before attempting any repair, ensure that there are no open Technical Service Bulletins (TSBs) related to the CVT transmission shuddering issue for your particular model and year of Honda Civic. TSBs are issued by manufacturers to address known issues and may offer specific repair instructions or updates on the situation.

 
Perform a CVT Fluid Change
 

• The shuddering issue can often be linked to degraded or contaminated transmission fluid. Changing the CVT fluid might alleviate the issue. Make sure to use Honda's recommended CVT fluid type to ensure optimal performance.

 
Check Fluid Levels and Quality
 

• Along with changing the CVT fluid, check the fluid levels and quality. Low fluid levels or dirty fluid can cause transmission shuddering and other performance issues.
• Adjust fluid levels as necessary and ensure there are no leaks in the system that could affect fluid levels.

 
Update or Reprogram the Transmission Control Module (TCM)
 

• Sometimes, a software update or reprogramming of the TCM can resolve shuddering issues in the CVT transmission.
• Visit a Honda dealership to check if updates or reprogramming are available for your vehicle’s model year.

 
Inspect the Torque Converter
 

• The torque converter can be a source of shuddering if it is not functioning correctly. Inspect it for wear or malfunction, and consider replacement if necessary.

 
Transmission and Engine Mount Inspection
 

• Worn or damaged mounts can contribute to shuddering and vibrations. Inspect the transmission and engine mounts and replace them if they show signs of wear or damage.

 
Regular Maintenance and Inspection Schedule
 

• Maintain a regular maintenance schedule to ensure that any issues with the CVT transmission or related components are caught early and addressed promptly.
• Regular inspections by professional mechanics can help track potential problems and provide timely solutions.