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

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Ensure the vehicle is on a level surface, and engage the parking brake.
• Disconnect the battery to prevent electrical shorts.

2. Transmission Fluid Inspection and Replacement

• Tools Required: Socket set, fluid pump, funnel.
• Sub-steps:
  1. Locate the transmission dipstick (if applicable) or the fill plug.
  2. Remove the dipstick or fill plug and check the fluid level.
  3. If the fluid is low, add the correct type of transmission fluid (usually Honda ATF DW-1).
  4. If the fluid is contaminated or has a burnt smell, drain the old fluid using a fluid pump and replace it with new fluid.
  5. Recheck fluid level after adding new fluid.

3. Inspect and Repair TCM Connections

• Tools Required: Multimeter, wire brush, dielectric grease.
• Sub-steps:
  1. Locate the TCM, typically situated near the transmission.
  2. Disconnect the TCM connectors and inspect for corrosion or damage.
  3. Clean the connectors with a wire brush and apply dielectric grease before reconnecting.
  4. Ensure that the connectors are seated properly.

4. Replace Faulty Components

• Tools Required: Socket set, torque wrench.
• Sub-steps:
  1. If any transmission control solenoids or the TCM itself is found to be faulty during diagnostics, remove the necessary components.
  2. Install new solenoids or TCM, ensuring correct orientation.
  3. Torque all bolts to manufacturer's specifications as per the service manual.

5. Reset the Codes

• Tools Required: OBD-II scanner.
• Sub-steps:
  1. Reconnect the battery.
  2. Use the OBD-II scanner to clear the P0700 code and any related codes.
  3. Start the vehicle and allow it to reach operating temperature.