how to fix the P0740 torque converter code on my Volvo XC60 536 (2017-Present)

• •Check engine light illuminated
• •Poor acceleration or delayed shifting
• •Increased engine RPM at highway speeds
• •Transmission overheating
• •Poor fuel economy

1. 1Scan the vehicle for any additional error codes using an OBD-II scanner to identify related issues.
2. 2Inspect the transmission fluid level and condition; ensure it is at the correct level and not burnt or contaminated.
3. 3Check the wiring and connectors leading to the torque converter clutch solenoid for any signs of damage or corrosion.
4. 4Test the torque converter clutch solenoid operation with a multimeter to ensure it is functioning correctly.
5. 5Inspect the transmission control module (TCM) for any fault codes and perform a visual inspection for any signs of damage.
6. 6Check for mechanical issues in the transmission that could affect torque converter operation, such as slipping or improper engagement.

After completing the repair, verify that the issue has been resolved:

• ✓Test the affected component to ensure it functions correctly
• ✓Check for any error codes or warning lights
• ✓Monitor the vehicle for a few days to ensure the issue does not recur

To prevent this issue from occurring again:

• •Follow the manufacturer's recommended maintenance schedule
• •Address warning signs early before they develop into major issues
• •Use quality parts and fluids recommended for your vehicle
• •Keep detailed records of all repairs and maintenance

• •OBD-II scanner
• •Socket set
• •Torque wrench
• •Multimeter
• •Fluid drain pan
• •Jack stands

• •Torque converter clutch solenoid
• •Transmission fluid (Volvo JWS 3309)