how to fix P0700 code in Honda Accord 9th Generation (2013-2017)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to avoid electrical shorts.
• Ensure the vehicle is on a level surface and secure it with jack stands.

2. Inspect and Replace Transmission Fluid

• Tools Required: Transmission fluid pump, funnel, socket set, drain pan.
• Remove the transmission fluid pan using a socket set.
• Drain the old fluid into a pan and inspect it for metal shavings or debris.
• Replace the transmission filter if applicable.
• Reinstall the pan with a new gasket and torque to manufacturer specifications.
• Refill the transmission with the correct type of fluid (Honda ATF DW-1) through the dipstick tube or designated fill port.

3. Repair Electrical Connections

• Tools Required: Wire brush, electrical contact cleaner, heat-shrink tubing, soldering iron (if necessary).
• Inspect wiring and connectors for signs of wear or corrosion.
• Clean any corroded connections with electrical contact cleaner and a wire brush.
• Repair or replace damaged wiring and ensure all connections are secure.

4. Replace Transmission Control Module (if necessary)

• Tools Required: Socket set, torque wrench.
• Unplug the TCM connectors carefully.
• Remove the TCM from its mounting location using a socket set.
• Install the new TCM, ensuring proper alignment and secure mounting.
• Reconnect all electrical connectors.

5. Reset the Engine Control Module (ECM)

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear the P0700 code from the ECM.
• Perform a test drive to ensure the code does not return and the transmission operates smoothly.