how to fix P0700 code in Honda Pilot Third Generation (2016-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to ensure safety while working on electrical components.
• Raise the vehicle using a jack and secure it with jack stands.

2. Check and Replace Transmission Fluid

1. Remove the transmission dipstick and check fluid levels.
2. If low, add the recommended transmission fluid type (Honda ATF DW-1).
3. If the fluid is dark or has a burnt smell, drain and replace the transmission fluid.
   • Tools: Socket set, funnel, catch pan.

3. Inspect and Repair Wiring and Connectors

1. Remove the TCM from its housing by unscrewing mounting bolts.
2. Inspect the TCM connectors for any corrosion or damage.
3. Clean the connectors with electrical contact cleaner and ensure they are securely fastened.
4. Repair or replace any damaged wiring in the harness.
   • Tools: Wire cutters, soldering iron (if necessary).

4. Replace Transmission Control Module (if necessary)

1. If the TCM is determined to be faulty, remove it from the vehicle.
2. Install the new TCM by reversing the removal process.
3. Ensure all connectors are seated properly and secure.
   • Tools: Socket set, torque wrench (if specified torque values are needed).

5. Reconnect Battery and Reset Codes

1. Reconnect the vehicle battery.
2. Use the OBD-II scanner to clear any stored codes.
3. Perform a test drive to verify that the P0700 code does not return.