The "Anti-Skid Service Required" message on your Volvo XC90 indicates an issue with the vehicle's traction control system. This warning should not be ignored, as it can affect your vehicle's handling and safety. Let's explore the common causes and potential solutions for this problem.

Common Causes

Several factors can trigger the Anti-Skid Service Required alert:

  • ABS sensor malfunction: Faulty ABS sensors may fail to accurately detect wheel speed variations.
  • Wiring issues: Corroded or damaged wiring can disrupt data transmission from sensors.
  • ABS module failure: A malfunctioning ABS control module can affect the entire anti-skid system.
  • Low brake fluid: Reduced brake fluid levels can trigger this alert.
  • Steering angle sensor failure: Also known as the clockspring, this component is a frequent culprit.
  • Yaw rate sensor issues: This sensor, located under the passenger seat, can cause problems when faulty.

Diagnosis and Repair

To address the Anti-Skid Service Required message:

1. Perform a soft reset: Turn off the ignition, wait for 15 seconds, and restart the car.

2. Check brake fluid levels: Ensure brake fluid is at the correct level.

3. Scan for error codes: Use a Volvo-specific diagnostic tool to read trouble codes.

4. Inspect wiring: Look for corroded or damaged wires, especially around the ABS sensors.

5. Check the steering angle sensor: This is often the root cause and may need replacement.

6. Examine the yaw rate sensor: Located under the passenger seat, it may require cleaning or replacement.

Professional Diagnosis

If you're unable to resolve the issue, seek professional help:

  • Visit a Volvo dealership or a specialized Volvo service center.
  • Have them perform a comprehensive diagnostic scan.
  • Follow their recommendations for repairs or part replacements.

Preventive Measures

To minimize the risk of future Anti-Skid Service Required alerts:

  • Regular maintenance: Follow Volvo's recommended service schedule.
  • Keep sensors clean: Ensure ABS sensors are free from dirt and debris.
  • Address issues promptly: Don't ignore warning lights or unusual vehicle behavior.
  • Use quality parts: When replacing components, opt for OEM or high-quality aftermarket parts.

Remember, the Anti-Skid system is crucial for your Volvo XC90's safety. Addressing this issue promptly will ensure optimal vehicle performance and safety on the road.

FAQs About Anti-Skid Service Required

    • Is it safe to drive with the Anti-Skid Service Required message?
      While the car may still be driveable, it's not recommended as your vehicle's handling and safety features may be compromised.
    • How much does it cost to fix this issue?
      Costs vary depending on the cause, ranging from $100 for a simple sensor replacement to over $1000 for more complex repairs.
    • Can I reset the Anti-Skid system myself?
      You can try a soft reset by disconnecting the battery, but professional diagnosis is recommended for persistent issues.