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

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, multimeter, fluid pump, transmission fluid, torque wrench.
• Disconnect the negative battery terminal to ensure safety.

2. Transmission Fluid Inspection

• Remove the transmission dipstick and check fluid level.
• If low, add the recommended transmission fluid type (Honda ATF-Z1 or equivalent).
• If fluid is discolored or burnt, proceed to replace the fluid.

3. Replace Transmission Fluid

• Place a drain pan under the transmission oil pan.
• Remove the transmission pan bolts using a socket set.
• Carefully lower the transmission pan and allow old fluid to drain completely.
• Clean the pan and replace the filter if applicable (check service manual for specifics).
• Reinstall the transmission pan using a new gasket and torque bolts to manufacturer specifications.

4. Inspect and Repair Wiring/Connectors

• Visually inspect the wiring harness and connectors for signs of wear, fraying, or corrosion.
• Repair or replace any damaged wiring or connectors as necessary.

5. Test and Replace TCM (if needed)

• Use a multimeter to test the TCM for proper voltage and continuity.
• If faulty, replace the TCM with a new unit and program it to the vehicle’s specifications using an appropriate diagnostic tool.