how to address P0700 transmission error code in Honda Civic 9th Generation (2012-2015)

Solution

1. Preparation

• Gather tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is turned off.
• Disconnect the negative battery terminal to prevent electrical shock.

2. Check and Replace Transmission Fluid

• Tools Required: Transmission fluid pump, socket set, fluid catch pan.
• Sub-steps:
  1. Locate the transmission dipstick (if applicable) and check the fluid level.
  2. If fluid is low or dirty, drain the old fluid into a catch pan by removing the drain plug.
  3. Replace the drain plug and refill with the manufacturer-recommended transmission fluid using a pump until the proper level is reached.

3. Inspect and Repair Wiring

• Tools Required: Multimeter, wire strippers, soldering iron (if repairs are needed).
• Sub-steps:
  1. Visually inspect the wiring harness connected to the TCM for damage or fraying.
  2. Use the multimeter to check for continuity in the wires.
  3. Repair or replace any damaged wiring or connectors.

4. Replace Transmission Control Module (if necessary)

• Tools Required: Socket set, torque wrench.
• Sub-steps:
  1. Locate the TCM, typically found near the transmission or under the dashboard.
  2. Disconnect the electrical connectors and remove the mounting bolts.
  3. Install the new TCM, ensuring proper alignment and secure it with the bolts.
  4. Reconnect the electrical connectors.