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

Solution

1. Preparation

• Gather tools: OBD-II scanner, socket set, multimeter, transmission fluid, torque wrench, and funnel.
• Ensure the vehicle is parked on a level surface and the engine is off.

2. Address Transmission Fluid Issues

• Check Fluid Level
  • Remove the dipstick and wipe clean.
  • Insert dipstick back and remove again to check fluid level. Add fluid if low.
• Change Fluid
  • Drain the old transmission fluid using a socket set.
  • Replace the transmission filter if applicable.
  • Refill with manufacturer-recommended transmission fluid using a funnel.

3. Inspect and Repair Electrical Connections

• Inspect Wiring
  • Visually check wiring harnesses and connectors for signs of wear or corrosion.
  • Clean or replace damaged connectors.
• Repair or Replace TCM
  • If diagnostics indicate TCM failure, unbolt the TCM from its mount.
  • Disconnect electrical connectors and replace with a new TCM.
  • Reconnect all wiring and securely mount the new unit.

4. Clear Codes and Test Drive

• Use the OBD-II scanner to clear the P0700 code and any other related codes.
• Start the engine and allow it to reach operating temperature.
• Perform a test drive to verify proper shifting and functionality.