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

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, multimeter, transmission fluid, funnel, torque wrench.
• Safety Warnings: Disconnect the battery before working on electrical systems, and ensure the vehicle is on a level surface.

2. Address Fluid Condition

• Check the transmission fluid level with the dipstick.
  • If low, top up with the recommended transmission fluid (Honda ATF-Z1).
• If the fluid is dark or smells burnt, proceed to drain and replace the fluid.
  • Sub-steps:
    1. Raise the vehicle on jack stands for access to the transmission pan.
    2. Remove the transmission drain plug or pan bolts.
    3. Allow fluid to completely drain into a pan.
    4. Replace the drain plug and torque to manufacturer specifications.

3. Inspect and Repair Wiring

• Visually inspect the wiring and connectors related to the TCM.
  • Sub-steps:
    1. Look for frayed wires or corrosion on connectors.
    2. Repair any damaged wiring with appropriate connectors or electrical tape.
    3. Ensure all connections are secure.

4. Replace TCM if Necessary

• If the TCM is faulty based on testing, replace it.
  • Sub-steps:
    1. Disconnect the battery.
    2. Remove the TCM from its mounting location.
    3. Disconnect the wiring harness from the TCM.
    4. Install the new TCM and reconnect the wiring harness.
    5. Secure the TCM in place.

5. Reset the Codes

• Clear the error codes from the system.
  • Sub-steps:
    1. Use the OBD-II scanner to erase the P0700 code.
    2. Reconnect the battery.