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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Fluid Check and Replacement

• Sub-step 1: Remove the transmission fluid dipstick and check the fluid level.
• Sub-step 2: If low, add the correct type of transmission fluid (Honda ATF-Z1 or compatible fluid).
• Sub-step 3: If the fluid is dark or contaminated, drain and replace it:
  • Locate the transmission fluid drain plug.
  • Use a socket set to remove the drain plug and allow fluid to drain completely.
  • Replace the drain plug and torque to manufacturer specifications (usually around 20 ft-lbs).
  • Refill with new transmission fluid via the dipstick tube.

3. TCM Inspection and Replacement

• Sub-step 1: Locate the transmission control module (usually found under the dashboard or near the transmission).
• Sub-step 2: Disconnect the wiring harness from the TCM.
• Sub-step 3: Remove the TCM using a socket set.
• Sub-step 4: Install the new TCM, ensuring the connector is securely attached.
• Sub-step 5: Reconnect the negative battery terminal.

4. Clear Codes and Test Drive

• Sub-step 1: Use the OBD-II scanner to clear the P0700 code and any additional codes.
• Sub-step 2: Test drive the vehicle to ensure proper operation of the transmission and confirm that the check engine light does not reappear.