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

Solution

1. Preparation

• Gather all necessary tools and parts.
• Ensure the vehicle is parked on a flat surface, and engage the parking brake.
• Disconnect the battery to prevent electrical shorts.

2. Fluid Inspection and Replacement

• Sub-steps:
  1. Remove the transmission fill plug to check fluid level.
  2. If fluid is low or burnt, drain the transmission fluid using a drain pan.
  3. Replace with the recommended Honda ATF-Z1 fluid, ensuring the correct amount is added.
• Tools Required: Drain pan, funnel, socket set.

3. Inspect and Repair Wiring

• Sub-steps:
  1. Visually inspect the wiring harness connected to the transmission control module for any damage.
  2. Clean any corrosion from connectors with an electrical cleaner.
  3. Repair or replace damaged wires as necessary.
• Tools Required: Wire stripper/crimper, electrical cleaner.

4. Replace Transmission Range Sensor

• Sub-steps:
  1. Locate the transmission range sensor (usually near the transmission linkage).
  2. Disconnect the wiring harness from the sensor.
  3. Remove the mounting bolts using a socket set and take out the old sensor.
  4. Install the new sensor and tighten the bolts to the manufacturer's specifications (typically 8-10 ft-lbs).
  5. Reconnect the wiring harness.
• Tools Required: Socket set, screwdriver.

5. Reconnect Battery and Clear Codes

• Reconnect the battery terminals and ensure they are tight.
• Use the OBD-II scanner to clear any stored fault codes.