how to fix P0700 code in Honda CR-V Fifth Generation (2017-2022)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to ensure safety while working on electrical components.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Raise the vehicle using a jack and secure it with jack stands.
  2. Locate the transmission dipstick or fill plug.
  3. Remove the dipstick or fill plug and check fluid level; it should be at the designated mark.
  4. If the fluid is low or dirty, drain the old transmission fluid using a pan.
  5. Replace with the manufacturer-recommended transmission fluid (typically Honda ATF DW-1).
  6. Re-insert the dipstick or replace the fill plug.

3. Inspect and Repair Wiring/Connectors

• Sub-steps:
  1. Visually inspect the wiring harness connected to the TCM for wear or damage.
  2. Use a multimeter to check for continuity and proper voltage at the TCM connectors.
  3. Repair or replace any damaged wiring or connectors as necessary.

4. Replace Transmission Control Module (if necessary)

• Sub-steps:
  1. Locate the TCM, typically found near the transmission or under the dashboard.
  2. Disconnect the battery and remove the TCM connectors.
  3. Unbolt the TCM from its mounting location.
  4. Install the new TCM and secure it with bolts.
  5. Reconnect the TCM connectors and reconnect the battery.

5. Clear Codes and Test Drive

• Sub-steps:
  1. Use the OBD-II scanner to clear the P0700 code from the memory.
  2. Start the vehicle and perform a test drive to assess transmission operation.
  3. Monitor for any recurrence of the P0700 code.