What Does ABS Warning Light On Solid Mean?
Reviewed by automotive technicians · Last updated August 22, 2026
Quick Answer
ABS Warning Light On Solid = The Anti-lock Braking System has detected a fault and has been disabled. Your regular (non-ABS) brakes still work — the ABS module has simply shut itself down as a safety precaution. If the ABS light is on together with the red BRAKE light, this is a dual failure and you should not drive the vehicle. If only the ABS light is on, the car is drivable but you lose anti-lock braking and stability control.
Severity: Warning · System: Ford Fusion (2013-2020)
DRIVE WITH CAUTION — Repair Soon
The Anti-lock Braking System has detected a fault and has been disabled. Your regular (non-ABS) brakes still work — the ABS module has simply shut itself down as a safety precaution. If the ABS light is on together with the red BRAKE light, this is a dual failure and you should not drive the vehicle. If only the ABS light is on, the car is drivable but you lose anti-lock braking and stability control.
What you see: An orange/yellow circle with the letters ABS inside, illuminated solid on the instrument cluster
What to Do Right Now
If only the ABS light is on (no red BRAKE light): your regular brakes work fine. You can drive, but avoid situations where you need to brake hard on wet or slippery roads — without ABS, your wheels may lock up and the car will skid. The most common cause on the Ford Fusion is a failed wheel speed sensor or corroded sensor wiring at the front wheels — inspect the wires at both front hubs for visible damage before paying for diagnostics.
Emergency Action Guide
URGENCY: DRIVE WITH CAUTION
YELLOW — If only the ABS light is on (no red BRAKE light), your regular brakes work fine. You can drive normally but avoid hard braking on wet or slippery roads — without ABS, your wheels may lock up. Inspect the wheel speed sensor wires at both front wheels for visible damage before paying for diagnostics.
Can you keep driving?
Yes, with caution — regular braking is unaffected. The ABS will not pulse during hard braking, meaning your wheels may lock up and the car may skid on slippery surfaces. Leave extra following distance and avoid hard braking, especially on wet roads. Get the sensor replaced within a week.
What happens if you ignore it?
MODERATE — regular braking works normally, but the anti-lock function is disabled. In normal dry conditions, this is not immediately dangerous. In an emergency stop on wet or icy roads, the wheels may lock and the car may skid rather than stopping in a straight line. Stability control is also disabled. Fix within a week for optimal safety.
Diagnosis & Cost
- Verify which lights are on. If ONLY the orange ABS light is on (no red BRAKE light), your hydraulic brakes are fine — the anti-lock function is just disabled. If both the ABS and red BRAKE lights are on, do not drive — this indicates a dual failure.
- Visually inspect the wheel speed sensor wires at both front wheels. On the Ford Fusion, the front sensor wires run along the control arm and are exposed to road debris. Look for cracked insulation, frayed wires, or green corrosion.
- If the sensor wires look intact, try the free fix: unplug each front sensor connector, spray with electronic contact cleaner, apply dielectric grease, and reconnect. Corroded connectors cause many ABS light issues on the Fusion.
- If the light persists, a mechanic can read the ABS module codes with an ABS-compatible scanner. Common codes: C0035 (left front wheel speed sensor), C0040 (right front wheel speed sensor), C0060 (yaw rate sensor). The code identifies which component has failed.
| Item | Details |
|---|---|
| Estimated Repair Cost | $25–80 (DIY: wheel speed sensor — plug-and-play, one bolt and one connector per wheel) – $150–300 (mechanic: diagnostic) – $200–500 (mechanic: wheel speed sensor replacement) – $800–1,500 (ABS module replacement, rare) |
Repair Cost Estimate
| Option | Est. Cost | Notes |
|---|---|---|
| Do It Yourself | $25-80 (wheel speed sensor — plug-and-play, one bolt and one connector per wheel) | If you have basic tools and mechanical knowledge |
| Mechanic / Dealer | $150-300 diagnostic; $200-500 for wheel speed sensor replacement; $800-1,500 if ABS module needs replacement | Includes diagnostic labor + parts |
About This Data
Dashboard warning light information compiled from Ford owner's manuals, OEM service documentation, SAE J2402 standards, and NHTSA guidance. This is an independent reference — not affiliated with or endorsed by Ford. All brand names, model names, and dashboard symbols are trademarks of their respective vehicle manufacturers.
Published: 2026-07-11 · Repair costs are national averages and vary by location. Always get multiple quotes before authorizing repairs.
⚠️ Red dashboard lights demand immediate action — continued driving may cause engine damage or brake failure. When in doubt, pull over and consult a certified mechanic.
By Patricia N. Simmons — Automotive Electronics Specialist
Patricia has spent 12 years researching instrument cluster diagnostics and dashboard warning light systems across 20+ automotive brands. She has analyzed over 500 OEM owner's manuals and SAE standards to compile this reference. Her experience includes field diagnostics with certified technicians, cross-referencing NHTSA technical service bulletins, and building practical decision guides that help drivers understand exactly what each warning light means — and whether they should keep driving or pull over immediately.
About Patricia · Published: 2026-07-11 · Updated: August 22, 2026
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Frequently Asked Questions
Can I drive my Ford Fusion with the ABS Warning Light On Solid on?
Yes, but with caution. Drive directly to a mechanic and avoid hard acceleration or highway speeds. The vehicle is drivable but the affected system is not functioning correctly.
How much does it cost to fix the ABS Warning Light On Solid on a Ford Fusion?
DIY cost estimate: $25-80 (wheel speed sensor — plug-and-play, one bolt and one connector per wheel). Mechanic/dealer estimate: $150-300 diagnostic; $200-500 for wheel speed sensor replacement; $800-1,500 if ABS module needs replacement. Costs vary by location, shop rate, and whether additional components are found to be damaged during diagnosis. Always get 2-3 quotes before authorizing repairs.
What causes the ABS Warning Light On Solid to come on in a Ford Fusion?
The Anti-lock Braking System has detected a fault and has been disabled. Your regular (non-ABS) brakes still work — the ABS module has simply shut itself down as a safety precaution. The most co. The most common causes vary by model year and driving conditions. See the troubleshooting section above for model-specific diagnostic guidance.
Why do both ABS and traction control lights come on together?
The traction control system relies on the ABS wheel speed sensors to detect wheel slip. When a wheel speed sensor fails, the ABS module disables itself, and the traction control system automatically disables because it cannot function without wheel speed data. Both lights come on because both systems are offline. Fixing the sensor restores both systems.
Is the wheel speed sensor hard to replace on a Ford Fusion?
No — it is one of the easier DIY repairs on the Fusion. Each wheel speed sensor is held by one 10mm bolt and has one electrical connector. Jack up the car, remove the wheel, unbolt the sensor, unplug it, and install the new one in reverse order. The entire job takes 15–20 minutes per wheel with basic hand tools.
Can dirty brake fluid cause the ABS light?
Dirty or contaminated brake fluid can cause the ABS hydraulic unit to malfunction, but this is much less common than a sensor failure. If the brake fluid is dark brown or black, it should be flushed regardless — but it probably will not fix an ABS light caused by a sensor issue. A proper ABS diagnostic scan will identify whether the fault is in the sensors, the hydraulic unit, or the module.
Will my Ford Fusion fail state inspection with the ABS light on?
In most states that require safety inspections, an illuminated ABS warning light will cause a failed inspection. Federal regulations require stability control on all 2012+ vehicles, and the ABS system is an integral part of the stability control system. Get the sensor replaced before your inspection deadline.