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Home/Cars/Renault/Clio/V (2019-Present)/how to fix the P0720 code for my Renault Clio V (2019-Present)

how to fix the P0720 code for my Renault Clio V (2019-Present)

Renault Clio V (2019-Present)

Error Codes
Severity: mediumDifficulty: mediumError Code: P07202-4 hours
3 min read
514 words

Problem Statement

Learn how to diagnose and fix P0720 vehicle speed sensor issues in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
P0720
Affected Component
Transmission
Estimated Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical components to prevent shocks.
  • ⚠Allow the engine to cool before working on the transmission area.

Symptoms

  • •Check engine light illuminated
  • •Erratic speedometer readings
  • •Transmission shifting issues
  • •Reduced engine performance
  • •Poor fuel economy

Diagnostic Steps

  1. 1Scan the vehicle’s onboard computer using an OBD-II scanner to confirm the P0720 code and check for any related codes.
  2. 2Inspect the vehicle speed sensor wiring and connectors for damage, corrosion, or loose connections.
  3. 3Measure the voltage output from the vehicle speed sensor using a multimeter while the vehicle is in motion.
  4. 4Check the fuse related to the speed sensor circuit to ensure it is not blown.
  5. 5Inspect the vehicle's transmission fluid level and condition, as low or contaminated fluid can affect the sensor's operation.

Solution

Solution

1. Preparation

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

2. Inspect and Repair Wiring

  • Tools Required: Multimeter, wire brush, electrical tape
  • Inspect the wiring harness connected to the vehicle speed sensor for any visible damage.
  • If damage is found, repair the wiring using splices and electrical tape.
  • Clean any corroded connectors with a wire brush and apply dielectric grease to prevent future corrosion.

3. Replace Vehicle Speed Sensor

  • Tools Required: Socket set, torque wrench
  • Locate the vehicle speed sensor, typically found on the transmission housing.
  • Remove the sensor by unscrewing the mounting bolts with a socket wrench.
  • Disconnect the electrical connector from the sensor.
  • Install the new vehicle speed sensor by reversing the removal process.
    • Ensure the sensor is properly aligned.
    • Torque the mounting bolts to the manufacturer-recommended specifications (typically around 10-15 Nm, but verify with service manual).

4. Reconnect Battery and Test

  • Reconnect the negative battery terminal.
  • Start the engine and allow it to reach normal operating temperature.
  • Clear the P0720 code using the OBD-II scanner and take the vehicle for a test drive to ensure proper function.

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
  • •Wire brush
  • •Electrical tape

Parts Required

  • •Vehicle speed sensor

Additional Information

Error Code
P0720
Affected Component
Transmission
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
6 items
Parts Required
1 item

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