how to fix P0700 code in Honda Civic 9th Generation (2012-2015)

Solution

1. Preparation

• Gather tools and parts before starting.
• Tools required: OBD-II scanner, multimeter, socket set, torque wrench, fluid pump, transmission fluid.
• Safety warning: Ensure the vehicle is on a level surface and the parking brake is applied.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Raise the vehicle using a jack and secure with jack stands.
  2. Locate the transmission fluid dipstick; remove it and check the fluid level and condition.
  3. If the fluid is low, use a fluid pump to add the correct type of transmission fluid (refer to owner’s manual for specifications).
  4. If the fluid is dirty, drain the old fluid by removing the drain plug, and replace it with new fluid.

3. Repair or Replace TCM

• Sub-steps:
  1. Disconnect the battery (negative terminal) to ensure safety.
  2. Locate the TCM, typically found near the transmission or under the dashboard.
  3. Carefully disconnect the electrical connectors from the TCM.
  4. Remove the bolts securing the TCM and replace it with a new or refurbished unit.
  5. Reconnect the electrical connectors and ensure they are secure.
  6. Reconnect the battery and clear the error codes using the OBD-II scanner.

4. Inspect and Replace Transmission Solenoids (if necessary)

• Sub-steps:
  1. If the previous steps do not resolve the issue, remove the transmission pan to access the solenoids.
  2. Disconnect the wiring harness from the solenoids and remove the bolts securing them.
  3. Replace any faulty solenoids with new ones, ensuring proper alignment.
  4. Reinstall the transmission pan with a new gasket and torque bolts to manufacturer specifications.