Prius Brake Light On? Find the Real Fix (Tested ABS Module)

Prius Brake Light On? Find the Real Fix (Tested ABS Module)

🚨 Brake Light On in Your Prius? Here's What It Actually Means

If you're driving a Toyota Prius and suddenly see your brake warning light, ABS, or VSC lights come on, you're not alone.

This is a very common issue — especially in 2004–2009 and 2010–2015 Prius models.

And here's the truth:

These warning lights usually mean your brake actuator / ABS module is failing.


🔧 Symptoms to Watch For

If your Prius has any of these signs:

  • Brake light, ABS, and VSC lights are all ON

  • High-pitched pump noise that doesn't stop

  • Reduced braking power

  • Trouble codes like C1391, C1256, or C1253

You’re likely dealing with a leaking or failing ABS actuator.


😰 What Most Prius Owners Do First (and Why It Fails)

Most people try:

  • Disconnecting the battery (temporary reset)

  • Swapping the module with a used one from eBay or the junkyard

  • Ignoring it until braking gets worse

But here’s the problem:

Used modules are rarely tested. Many fail again within days.

And the dealership? They often quote $1,200–$1,800 just for the part.


✅ The Reliable Fix: A Tested Brake Actuator from FitRightParts.com

We specialize in tested, plug-and-play Prius ABS modules — so you can skip the guesswork and avoid paying dealership prices.

✔️ Fully tested on the bench before shipping
✔️ Backed by a 120-day warranty
✔️ Fast shipping — no programming required

Most of our customers fix their issue on the first try, without wasting money on untested modules.


💬 What One Customer Said:

“I spent $800 on a used one that didn’t even work. Found Fit Right Parts and got a tested actuator — problem fixed in 2 days. Wish I’d found them sooner.” – Dave R., Illinois


📦 Order Your Tested Prius ABS Module Today

Skip the headache. Solve the problem with a module that’s already been tested to work.

👉 Shop Prius ABS Modules
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🛠 Bonus: Codes You Might See with Brake Light On

If you scanned your Prius and saw any of these, it confirms the ABS actuator is likely the issue:

  • C1391 – Brake Pressure Accumulator Leak

  • C1256 – Accumulator Low Pressure

  • C1253 – Motor Relay Malfunction

  • C1345 – Linear Valve Offset Learning Undone


💡 Tip to Avoid Costly Repairs

Don’t buy another untested part from eBay or wait for your brakes to get worse.
Start with a tested solution, backed by a warranty.


Want Help Finding the Right ABS Module?

Shoot us a message — we’ll confirm the exact part number you need.

 

FAQ Section

Q: Can I still drive with the ABS light on in my Prius?
A: Technically yes, but your braking performance may be compromised. The longer you drive with a faulty actuator, the more expensive it becomes to fix — especially if it starts leaking brake fluid or damages the hybrid brake booster system.

Q: Will disconnecting the battery reset the ABS light?
A: It might clear the warning temporarily, but it doesn’t solve the root issue. The codes will usually return once the car runs another brake system check.

Q: Can I install the replacement ABS module myself?
A: If you're mechanically inclined, yes. It typically takes 1–2 hours with basic tools. Some Prius models may require minor bleeding of the brake system, which can be done with a scan tool or at a local shop.

How to Identify Your Part Number 

Check the silver label on the ABS module under the hood — it will look something like 44510-47050 or 44510-47090. If you're not sure, contact us with your VIN and we’ll help.

 

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