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2010 Prius Anti-Lock Brake System (ABS)

A remedy to the inconsistent brake feel of the Anti-lock Brake System (ABS) as part of the voluntary safety recall for the 2010 Prius.

  • Illustration of Toyota’s Anti-Lock Braking System

    2010 Prius Anti-Lock Brake System (ABS)

    A remedy to the inconsistent brake feel of the Anti-lock Brake System (ABS) as part of the voluntary safety recall for the 2010 Prius.

  • Video explaining Stopping Procedure in the event of sudden acceleration

    Stopping Procedure

    Learn the proper procedure for bringing your vehicle to a safe stop if you experience a sticking accelerator pedal.

FAQs About the 2010 Prius Voluntary Recalls

1. What is the problem with the 2010 Prius?
The anti-lock brake system (ABS) in the 2010 model-year Prius, in normal operation, engages and disengages rapidly (many times per second) as the control system senses and reacts to tire slippage. Some owners have reported experiencing inconsistent brake feel during slow and steady application of the brakes on rough or slick road surfaces when the anti-lock brake system (ABS) is activated in an effort to maintain tire traction.
2. How is Toyota responding to this Prius issue?
Toyota has responded to owner concerns with a running production change for the 2010 Prius that was introduced last month, improving the ABS system’s response time, as well as the system’s overall sensitivity to tire slippage.

The recall will allow Toyota dealers to perform this software update in the anti-lock brake systems of 2010 Prius vehicles sold prior to this production change.
3. Why does this only impact 2010 Prius models?
First- and second-generation Prius vehicles use a different ABS system and are not involved in this campaign.
4. How many vehicles are impacted?
This recall involves approximately 133,000 2010 model year Prius vehicles.
5. What should 2010 Prius customers do if they experience this braking issue?
If a Prius owner were to experience this condition, pressing hard on the brake pedal will stop the vehicle safely.
6. Are these vehicles safe to drive until they get their update?
The vehicles are safe to drive because pressing hard on the brake pedal will stop the vehicle.
7. When can I get my vehicle fixed?
Toyota will begin sending letters to Prius owners included in this recall by mail next week to let them know when to bring their vehicles into a dealership. Owners will only receive a letter if their vehicle is involved in the recall.
8. How long will it take for a dealer to repair my vehicle?
The software update should only take approximately 30 minutes to install, depending on technician workflow.
9. Is the repair covered by warranty? Will drivers have to pay any money out of pocket for this work?
Toyota will cover all repair costs associated with this work.
10. Is this recall related to the ongoing Toyota recalls associated with sudden unintended acceleration?
No, this recall is unrelated to the ongoing recall of Toyota vehicles for sticking gas pedals and floor mat entrapment issues.

Read all the latest information on the recall:

Recall FAQs Toyota Recall News

Toyota Announces Voluntary Recall on 2010 Model-Year Prius to Update ABS Software

Recalls Underscore Toyota’s Commitment to Address All Vehicle Quality and Safety Issues Promptly and Effectively

TORRANCE, Calif., February 8, 2010 – Toyota Motor Sales (TMS), U.S.A., Inc, today announced it will conduct a voluntary safety recall on approximately 133,000 2010 Model Year Prius vehicles to update software in the vehicle’s antilock brake system (ABS). No other Toyota vehicles are involved in this recall.

The ABS, in normal operation, engages and disengages rapidly (many times per second) as the control system senses and reacts to tire slippage. Some 2010 model year Prius owners have reported experiencing inconsistent brake feel during slow and steady application of brakes on rough or slick road surfaces when the ABS is activated in an effort to maintain tire traction.

Toyota has responded to owner concerns with a running production change for 2010 Prius that was introduced last month, improving the ABS system’s response time, as well as the system’s overall sensitivity to tire slippage.

“We’re committed to doing everything we can – as fast as we can – to restore consumer trust in Toyota, and these recalls are part of this effort,” said Jim Lentz, President and Chief Operating Officer, Toyota Motor Sales. "We regret the inconvenience this recall will cause to Prius owners, and will do our best with the support of our dealers to make sure that it is conducted in the most trouble-free manner possible."

Mr. Lentz continued: “As part of the quality improvement program announced by Toyota President Akio Toyoda last week, our company is undertaking a top to bottom review to ensure that our vehicles meet our own high standards of safety and reliability, now and for the future. We are taking steps to implement more stringent quality control across the company, to investigate customer complaints more aggressively and to respond more quickly to any safety issues we identify.”

The recall will allow Toyota dealers to perform the software update on 2010 Prius vehicles sold prior to this running production change. Only Prius vehicles produced since May 2009 are subject to this recall. First- and second-generation Prius vehicles use a different ABS system and are not involved in this campaign.

Toyota will begin mailing letters to Prius owners included in this recall next week to let them know when to bring their vehicles into a dealership. Owners will only receive a letter if their vehicle is involved in the recall.