my Honda Accord 9th Generation (2013-2017) has a hard shifting transmission, how can I fix it?

Solution

1. Preparation

• Tools Required: OBD-II scanner, fluid catch pan, funnel, basic hand tools (socket set, wrenches), torque wrench.
• Safety Warnings: Ensure the vehicle is on a level surface, and engage the parking brake. Allow the engine to cool before working on the transmission.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Locate the transmission dipstick and remove it; wipe it clean and reinsert to check fluid level.
  2. If low, place a fluid catch pan under the transmission pan and remove the drain plug (if equipped) or the pan itself to drain old fluid.
  3. Inspect the old fluid for particles or metal shavings indicating wear.
  4. Replace with manufacturer-recommended transmission fluid, using a funnel to fill to the proper level.
  5. Reinstall the drain plug or transmission pan using a new gasket. Torque bolts to specifications (usually around 10-15 ft-lbs).

3. Reset Transmission Control Module

• Sub-steps:
  1. Disconnect the negative battery terminal and wait for at least 10 minutes to reset the module.
  2. Reconnect the negative battery terminal and start the vehicle.
  3. Drive the car for a short distance to allow the transmission control module to relearn shift patterns.

4. Inspect and Replace Damaged Components

• Sub-steps:
  1. Inspect transmission mounts for cracks or excessive wear; replace if necessary.
  2. Check wiring and connections to the transmission control module for damage or corrosion; repair or replace as needed.