how to fix P0700 transmission code in Honda Accord 9th Generation (2013-2017)

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Fluid Change

• Sub-steps:
  1. Place a drain pan under the transmission pan.
  2. Remove the transmission pan bolts using a socket set and carefully lower the pan.
  3. Allow the old fluid to completely drain.
  4. Replace the transmission filter if applicable, following manufacturer instructions.
  5. Clean the transmission pan and replace the gasket if necessary.
  6. Reinstall the transmission pan and torque the bolts to the manufacturer’s specifications (typically around 10-12 ft-lbs).

3. Wiring Inspection

• Sub-steps:
  1. Visual inspect the wiring harness connected to the TCM and solenoids for any signs of wear or damage.
  2. Use a multimeter to test continuity in the wires and ensure there are no shorts or open circuits.
  3. Repair or replace any damaged wiring or connectors found during inspection.

4. TCM and Sensor Testing

• Sub-steps:
  1. Locate the TCM, usually found near the transmission or under the dashboard.
  2. Disconnect the TCM harness and test the output signals using a multimeter.
  3. If the TCM is faulty, replace it with a new unit following manufacturer specifications.
  4. Reconnect the TCM and ensure all connections are secure.

5. Reconnect Battery

• Reconnect the negative battery terminal after all repairs are completed.