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

Solution

1. Preparation

• Gather tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the battery to avoid electrical shorts.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Locate the transmission dipstick (if applicable) and remove it.
  2. Check fluid level; if low, top off with the recommended Honda ATF-Z1 or DW-1 fluid.
  3. If fluid is burnt or contaminated, drain the old fluid and replace it with new fluid.
• Tools Required: Fluid pump, funnel, transmission fluid.
• Safety Warnings: Ensure to wear gloves as old fluid may be hot and potentially harmful.

3. Inspect and Repair Wiring and Connectors

• Sub-steps:
  1. Visually inspect the wiring harness for any frays or damage.
  2. Disconnect the TCM connector and clean it with electrical contact cleaner.
  3. Reconnect the harness ensuring a secure fit.
• Tools Required: Electrical contact cleaner, multimeter.

4. Test and Replace the Transmission Control Module (if necessary)

• Sub-steps:
  1. If diagnostics indicate the TCM is faulty, remove the TCM from its mounting location.
  2. Install the new TCM by reversing the removal process.
  3. Reconnect all electrical connectors securely.
• Tools Required: Socket set, screwdriver set.
• Safety Warnings: Ensure the battery is disconnected before handling the TCM.

5. Reconnect Battery and Clear Codes

• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Use the OBD-II scanner to clear the P0700 code and any other related codes.