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

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the engine is off.
• Disconnect the battery negative terminal to prevent electrical shorts.

2. Inspect and Replace Transmission Fluid

• Tools Required: Transmission fluid pump, socket set, drain pan.
• Remove the transmission fluid pan if necessary:
  1. Place a drain pan under the transmission.
  2. Remove the bolts securing the transmission fluid pan.
  3. Carefully lower the pan and drain the fluid.
• Clean the pan and replace the filter if applicable.
• Refill the transmission with the correct type of fluid (Honda ATF-Z1 or compatible).
• Torque the pan bolts to the manufacturer’s specifications (typically around 7.5 ft-lbs).

3. Check and Repair Wiring/Connectors

• Tools Required: Multimeter, wire brush, electrical connector cleaner.
• Inspect the wiring harness and connectors:
  1. Look for frayed wires or broken connectors.
  2. Use a multimeter to test for continuity and proper voltage supply to the TCM.
  3. Clean any corrosion from connectors using electrical cleaner and a wire brush.
• Repair or replace damaged wiring or connectors as necessary.

4. Reconnect Battery and Clear Codes

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear the codes.
• Start the vehicle and check if the check engine light reappears.