how to fix P0740 code in Honda CR-V Fifth Generation (2017-2022)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is turned off.
• Disconnect the battery to prevent electrical shorts.

2. Fluid Inspection and Replacement

• Tools Required: Transmission fluid pump, drain pan, funnel.
• Remove the transmission drain plug and drain the old fluid into a pan.
• Replace the drain plug and refill with new transmission fluid according to the manufacturer’s specifications.

3. Inspect and Replace TCC Solenoid

• Tools Required: Socket set, torque wrench, screwdriver.
• Locate the TCC solenoid, typically found in the transmission.
• Remove any components obstructing access to the solenoid.
• Disconnect the electrical connector and unbolt the solenoid.
• Install the new solenoid and ensure it is properly seated and connected.
• Torque the bolts to the manufacturer's specifications.

4. Repair Wiring and Connectors

• Inspect wiring for any signs of wear, fraying, or corrosion.
• If damaged, repair or replace wiring and connectors as necessary.
• Use electrical tape or heat shrink tubing for insulation.

5. Reconnect Battery and Test Drive

• Reconnect the battery terminal.
• Start the engine and check for any warning lights.
• Perform a test drive to ensure proper operation of the transmission and TCC engagement.