FAULTBASE
Error CodesASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Volvo/XC60/Second Generation (2018-2024)/what does P0720 code mean for my Volvo XC60 Second Generation (2018-2024)?

what does P0720 code mean for my Volvo XC60 Second Generation (2018-2024)?

Volvo XC60 Second Generation (2018-2024)

Error Codes
Severity: highDifficulty: mediumError Code: P07201-2 hours
3 min read
442 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix P0720 vehicle speed sensor issues in Volvo XC60 (2018-2024). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Error Code
P0720
Affected Component
Transmission
Estimated Time
1-2 hours

Safety Warnings

  • ⚠Disconnect the battery before performing any electrical work on the vehicle.
  • ⚠Allow the vehicle to cool down before working on the transmission components.

Symptoms

  • •Check engine light illuminated
  • •Erratic speedometer readings
  • •Transmission shifting issues (harsh or delayed shifts)
  • •Reduced fuel efficiency
  • •Possible limp mode activation

Diagnostic Steps

  1. 1Scan the vehicle's onboard diagnostic system using an OBD-II scanner to confirm the P0720 code.
  2. 2Inspect the vehicle speed sensor wiring and connectors for damage or corrosion.
  3. 3Use a multimeter to check the resistance of the vehicle speed sensor.
  4. 4Test the vehicle speed sensor output voltage while the vehicle is in motion.
  5. 5Check the vehicle's transmission fluid level and condition.
  6. 6Inspect the engine control module (ECM) for any related fault codes.

Solution

Solution

1. Preparation

  • Gather tools and necessary parts.
  • Disconnect the negative battery terminal to ensure safety during repairs.

2. Remove the Vehicle Speed Sensor

  • Locate the vehicle speed sensor, typically found on the transmission housing.
  • Unscrew the mounting bolt securing the sensor using a socket set.
  • Carefully disconnect the wiring harness from the sensor.

3. Inspect and Replace the Sensor

  • Inspect the old sensor for any visible damage or wear.
  • If replacing, install the new vehicle speed sensor by reversing the removal steps:
    • Connect the wiring harness to the new sensor.
    • Secure the sensor with the mounting bolt, tightening to the manufacturer's specified torque (consult the service manual for specifics).

4. Reconnect Battery and Clear Codes

  • Reconnect the negative battery terminal.
  • Use the OBD-II scanner to clear the P0720 code from the ECM.

5. Test Drive

  • Conduct a test drive to ensure the vehicle operates correctly and observe the performance of the speedometer and transmission shifts.

Verification

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

Prevention Tips

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

Tools & Equipment Required

  • •OBD-II scanner
  • •Multimeter
  • •Socket set
  • •Torque wrench
  • •Screwdriver set

Parts Required

  • •Vehicle speed sensor (if replacement is necessary)
  • •Transmission fluid (if any leaks are present)

Additional Information

Error Code
P0720
Affected Component
Transmission
Estimated Time
1-2 hours
Difficulty
medium
Severity
high
Tools Required
5 items
Parts Required
2 items

Related Faults

  1. my Volvo XC60 has a gas cap light on, how do I fix this

    Learn how to diagnose and fix the gas cap light issue in your Volvo XC60. Step-by-step guide with diagnostic procedures and repair instructions.

    Fuel System5 symptoms
  2. how can I tell if my Volvo XC60 has a bad wheel bearing

    Learn how to diagnose and fix a bad wheel bearing in your Volvo XC60. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Suspension6 symptoms
  3. how can I reset the service light on my Volvo XC60 Second Generation (2018-2024)?

    Learn how to reset the service light on your 2018-2024 Volvo XC60. Step-by-step instructions for a quick and easy reset process.

    Electrical3 symptoms
  4. my Volvo XC60 feels like it’s losing power when going uphill, what is the cause

    Discover the causes and solutions for power loss when driving uphill in your Volvo XC60. Step-by-step diagnostic and repair guide included.

    Engine6 symptoms
  5. why does my Volvo XC60 feel like it’s wandering on the road

    Learn how to diagnose and fix wandering steering issues in Volvo XC60. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Steering5 symptoms
  6. my Volvo XC60 fuel gauge is stuck on empty, what could be the problem?

    Learn how to diagnose and fix a stuck fuel gauge on your Volvo XC60. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Fuel System5 symptoms

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation