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

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the vehicle battery to prevent electrical shorts.
• Ensure the vehicle is on a flat surface and securely supported if lifting is required.

2. Address Transmission Fluid

• Check Fluid Level:

  1. Locate the transmission dipstick (if applicable) and remove it.
  2. Wipe the dipstick clean and reinsert it, then remove it again to check fluid level.
  3. Add the appropriate transmission fluid if low (refer to owner’s manual for specifications).

• Change Fluid (if needed):

  1. Place a drain pan under the transmission pan and remove the drain plug to drain old fluid.
  2. Replace the transmission fluid filter if applicable.
  3. Reinstall the drain plug and fill the transmission with new fluid through the dipstick tube.

3. Inspect and Repair Wiring

1. Locate the wiring harness connecting to the TCM.
2. Inspect for any visible damage or corrosion on the connectors.
3. Clean any corroded connectors with electrical contact cleaner.
4. Repair or replace damaged wiring as necessary.

4. Replace TCM (if defective)

1. Disconnect the battery again for safety.
2. Locate the TCM (usually found near the transmission or under the dashboard).
3. Unplug the wiring connectors from the TCM.
4. Remove the mounting bolts and carefully take out the TCM.
5. Install the new TCM in the reverse order, ensuring all connections are secure.