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ABS and ESC Warning Lights On - 2022 XC60

0

Tom H. · rep 0 · May 22, 5:13 AM · 1 replies · solved · Question

Vehicle: 2022 Volvo XC60 B5 Inscription

Hey everyone,

I'm having a problem with my 2022 Volvo XC60 B5 Inscription. The ABS and ESC (Electronic Stability Control) warning lights have come on simultaneously on my dashboard. Sometimes, after restarting the car, they'll go off for a bit, but then they usually come back on, often after hitting a bump or turning.

I've noticed that when the lights are on, the cruise control also stops working. I haven't felt any immediate change in braking performance, but it's definitely concerning for a car with only 25,000 miles. I tried checking for codes with a basic OBD scanner, but it didn't show anything.

Has anyone experienced this with a newer Volvo? What could be the cause, and is there an OBD code I should be looking for with a more advanced scanner?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 5:13 AM

0

ClearTheCode admin answer:

Simultaneous illumination of the ABS and ESC warning lights on your 2022 Volvo XC60, especially when accompanied by cruise control deactivation, strongly points to an issue within the wheel speed sensor system or the ABS module itself. Your basic OBD scanner might not pick up C-codes (Chassis codes) which are specific to these systems.

  1. Common Causes for ABS/ESC Lights:

    • Wheel Speed Sensor (WSS) Failure: This is the most frequent cause. Each wheel has a sensor that monitors its rotational speed. If a sensor fails, becomes dirty, or its wiring is damaged, the ABS/ESC system loses crucial data, triggering the warning lights. Common OBD-II codes for this include: C0031 (Left Front Wheel Speed Sensor), C0034 (Right Front Wheel Speed Sensor), C0037 (Left Rear Wheel Speed Sensor), C0040 (Right Rear Wheel Speed Sensor), or a generic P0500 (Vehicle Speed Sensor Malfunction) if the issue is with the main vehicle speed input.
    • Damaged ABS Tone Ring: The tone ring (or reluctor ring) is a toothed ring that the WSS reads. If it's cracked, corroded, or clogged with debris, the sensor can't get an accurate reading.
    • ABS Module Malfunction: Less common but possible, the ABS control module itself can fail. This is usually a more expensive repair.
    • Low Brake Fluid: While less likely to trigger both ABS/ESC simultaneously without a separate brake warning light, extremely low fluid can sometimes affect system performance.
    • Steering Angle Sensor: A faulty steering angle sensor can also cause ESC issues, as it provides input on steering wheel position.

  2. When to See a Shop:

    • Immediate Inspection: While your braking might feel normal, the ABS and ESC systems are crucial safety features. Without them, your car won't prevent wheel lock-up during hard braking or help maintain stability during a skid. This significantly increases accident risk.
    • Advanced Diagnostics: A professional shop with a Volvo-specific diagnostic tool (like VIDA) will be able to read the specific C-codes and pinpoint which wheel speed sensor or other component is malfunctioning. They can also check live data from the sensors to confirm their operation.
    • Don't Delay: Driving with these lights on means you're without critical safety aids. Get it checked by a qualified technician as soon as possible.
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