my Honda Civic 11th Generation (2022-Present) transmission jerks when shifting, what could it be?

Solution

1. Preparation

• Gather necessary tools and parts.
• Park the vehicle on a level surface and engage the parking brake.

2. Fluid Check and Replacement

• Sub-steps:
  1. Remove the transmission dipstick and check fluid level. If low, add the appropriate Honda ATF.
  2. If fluid is contaminated, drain the transmission fluid using a drain pan.
  3. Replace with new Honda ATF according to the manufacturer’s specifications.
• Tools Required:
  • Drain pan
  • Funnel

3. Electrical Inspection

• Sub-steps:
  1. Disconnect the battery to ensure safety while working on electrical components.
  2. Visual inspection of the wiring harness and connectors; repair or replace any damaged components.
  3. Reconnect the battery and clear any error codes from the TCM using the OBD-II scanner.
• Tools Required:
  • OBD-II scanner
  • Basic hand tools (screwdrivers, socket set)

4. TCM Testing

• Sub-steps:
  1. Use a multimeter to check the voltage and ground signals at the TCM connector.
  2. If signals are outside the normal range, replace the TCM.
• Tools Required:
  • Multimeter

5. Road Test

• Conduct a road test to ensure the jerking has been resolved and the transmission shifts smoothly under various driving conditions.