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

Solution

1. Preparation

• Gather necessary tools and materials.
• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the battery to prevent any electrical shorts.

2. Inspect and Replace Transmission Fluid

• Sub-step 1: Locate the transmission dipstick and remove it to check fluid level.
• Sub-step 2: If fluid is low or burnt, drain the transmission fluid using a fluid pump.
• Sub-step 3: Replace with the manufacturer's recommended transmission fluid (usually Honda ATF DW-1).
• Sub-step 4: Refill to the appropriate level and check for leaks.

3. Repair or Replace Wiring and Connectors

• Sub-step 1: Visually inspect the wiring harness for frayed wires or corrosion.
• Sub-step 2: Repair any damaged wires using appropriate soldering techniques or electrical connectors.
• Sub-step 3: Replace any corroded connectors with new ones.

4. Test and Replace the TCM (if necessary)

• Sub-step 1: Reconnect the battery and turn the ignition to the "ON" position without starting the engine.
• Sub-step 2: Use a multimeter to check voltage at the TCM connector pins as per the service manual specifications.
• Sub-step 3: If the TCM is faulty, remove it by disconnecting the wiring harness and unbolting it from its mounting location.
• Sub-step 4: Install a new or refurbished TCM, reconnect the wiring, and make sure it is securely mounted.

5. Clear Codes and Test Drive

• Sub-step 1: Use the OBD-II scanner to clear the P0700 code and any other stored codes.
• Sub-step 2: Start the vehicle and perform a test drive to ensure proper shifting and operation.