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

Solution

1. Preparation

• Gather tools and safety equipment: gloves, safety glasses, OBD-II scanner, multimeter, socket set, and torque wrench.
• Ensure the vehicle is parked on a level surface and that the engine is cool.

2. Verify Transmission Fluid Condition

• Sub-steps:
  1. Remove the transmission dipstick and wipe it clean.
  2. Reinsert the dipstick and remove it again to check fluid level.
  3. Inspect fluid color; it should be pink or red. If it is brown or has a burnt smell, the fluid needs replacing.

3. Replace Transmission Fluid (if necessary)

• Sub-steps:
  1. Raise the vehicle using jack stands and secure it.
  2. Place a drain pan under the transmission and remove the drain plug.
  3. Allow the old fluid to completely drain out.
  4. Replace the drain plug and tighten to manufacturer specifications.
  5. Refill with new transmission fluid through the dipstick tube, using the correct type specified in the owner's manual.

4. Inspect and Repair Wiring/Connectors

• Sub-steps:
  1. Locate the TCM and visually inspect the wiring harness and connectors.
  2. Disconnect the connectors and check for corrosion or bent pins.
  3. Repair any damaged wiring or replace connectors as needed.
  4. Reconnect the wiring securely.

5. Replace the Transmission Control Module (if necessary)

• Sub-steps:
  1. If tests indicate a faulty TCM, disconnect the battery before proceeding.
  2. Remove any covers or panels that obstruct access to the TCM.
  3. Unscrew and remove the faulty TCM from its housing.
  4. Install the new TCM and secure it with screws.
  5. Reconnect the battery and any removed panels.