P2299 critical

Brake Pedal Position/Accelerator Pedal Position Incompatible

The P2299 code means the vehicle's onboard diagnostic system has detected: Brake Pedal Position/Accelerator Pedal Position Incompatible. This is a critical severity code.

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Keep driving?
No — stop driving
DIY difficulty
moderate
Estimated cost
$50 - $400 (parts and labor)
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What Are the Symptoms of P2299?

  • Engine power reduced or cut completely
  • Check Engine Light illuminated
  • Vehicle enters limp mode
  • Unintended acceleration concern
  • Both brake and throttle signals detected simultaneously

What Causes P2299? (Most Likely First)

  • Misadjusted or stuck brake pedal position switch Very High
  • Floor mat interfering with accelerator pedal High
  • Failed accelerator pedal position sensor Moderate
  • Brake pedal not fully returning due to binding Moderate

Can I Still Drive with P2299?

No — stop driving. P2299 is rated critical severity. Continuing to drive in this state risks further damage — get it looked at before your next trip.

Frequently Asked Questions

Can I drive with code P2299?

No, do not drive. This code indicates a potential conflict between brake and throttle inputs, which is a serious safety concern.

What causes P2299?

Often as simple as a floor mat pressing on the accelerator pedal, or a brake switch that is out of adjustment. Check these before replacing any sensors.

Is P2299 expensive to fix?

Often inexpensive at $50 to $400. Repositioning a floor mat or adjusting the brake switch costs very little. Sensor replacement is moderately priced.

Mechanics Guide Step-by-step diagnosis

How Do You Diagnose P2299?

  1. Check for floor mats interfering with the accelerator pedal

  2. Verify the brake pedal returns fully when released

  3. Monitor both brake and accelerator position sensor data simultaneously

  4. Inspect the brake pedal position switch adjustment

  5. Check accelerator pedal sensor readings at rest and full throttle

Sources 1

This page is built from documented references. Verify against your own service info before repair work.

  • SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)

Which Vehicles Commonly Get P2299?

  • 2007-2015 Toyota Camry
  • 2010-2018 Hyundai Sonata
  • 2012-2020 Ford Focus
  • 2011-2019 Kia Optima

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