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

Solution

1. Preparation

• Gather tools: OBD-II scanner, multimeter, socket set, torque wrench, fluid catch pan.
• Ensure the vehicle is on a level surface and securely raised with jack stands if needed.
• Disconnect the battery before working on electrical components.

2. Fluid Change

• Sub-steps:
  1. Locate the transmission fluid drain plug and place a fluid catch pan underneath.
  2. Remove the drain plug using the appropriate socket and allow fluid to fully drain.
  3. Replace the drain plug and torque it to the manufacturer’s specifications (usually around 30 ft-lbs).
  4. Remove the transmission fluid fill plug.
  5. Refill the transmission with the correct type of fluid (Honda ATF DW-1) through the fill hole until it reaches the proper level.

3. TCM Inspection and Replacement (if necessary)

• Sub-steps:
  1. Locate the TCM, typically found near the transmission or under the dashboard.
  2. Disconnect the wiring harness from the TCM, checking for any signs of corrosion or damage.
  3. Remove the TCM mounting bolts using a socket wrench.
  4. Carefully remove the TCM and replace it with a new unit, ensuring it is securely mounted.
  5. Reconnect the wiring harness, making sure it is seated properly.

4. Sensor Replacement (if necessary)

• Sub-steps:
  1. Locate the vehicle speed sensor and input/output speed sensors as indicated by the diagnostic code.
  2. Disconnect the wiring harness from the sensors.
  3. Remove the sensors using a socket or wrench.
  4. Install new sensors, ensuring they are torqued to specifications.
  5. Reconnect the wiring harness to each sensor.