how to fix P0700 code in Honda Accord 8th Generation (2008-2012)

Solution

1. Preparation

• Gather tools: OBD-II scanner, multimeter, socket set, torque wrench, transmission fluid, transmission filter.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the negative battery terminal to ensure safety during repairs.

2. Inspect and Replace Transmission Fluid

1. Remove the transmission fluid dipstick and check the fluid level.
2. If fluid is low or dirty, drain the transmission fluid by removing the drain plug.
3. Replace the transmission fluid with the recommended type (Honda ATF-Z1 or DW-1) according to the vehicle's specifications.
4. Reinstall the drain plug and torque to the manufacturer's specification (typically around 33 ft-lbs).

3. Replace Transmission Filter

1. Remove the transmission pan by unbolting it (ensure you have a drain pan ready to catch fluid).
2. Remove the old transmission filter by unscrewing it from the valve body.
3. Install the new transmission filter, ensuring it is seated correctly.
4. Clean the transmission pan and replace the gasket if necessary.
5. Reinstall the transmission pan and torque the bolts to the manufacturer's specifications.

4. Reconnect Battery and Clear Codes

1. Reconnect the negative battery terminal.
2. Use the OBD-II scanner to clear any stored trouble codes.

5. Test Drive

1. Start the vehicle and allow it to reach operating temperature.
2. Perform a test drive to verify smooth transmission operation and ensure the check engine light does not reappear.