OBD Guide
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B23B8

Brake Pedal Switch Stuck

B23B8 is an OBD-II diagnostic trouble code meaning: Brake Pedal Switch Stuck. Common causes: brake pedal sensor jammed, open or short circuit in wiring harness. Estimated repair cost: $11–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Stop light doesn't work
  • Car won't shift out of park
  • Cruise control system does not activate

Causes

  • Brake pedal sensor jammed
  • Open or short circuit in wiring harness
  • Control unit malfunction

How to Fix

  1. Check the brake pedal sensor
  2. Check the integrity of the wiring harness
  3. Replace sensor if necessary
  4. Reset the error with an OBD-II scanner

Related codes

B23B7B23B9C0040

FAQ

What does the B23B8 code mean?

B23B8 is an OBD-II diagnostic trouble code that indicates: Brake Pedal Switch Stuck

What causes a B23B8 error code?

The most common causes of B23B8 include: Brake pedal sensor jammed; Open or short circuit in wiring harness; Control unit malfunction.

How do I fix a B23B8 diagnostic trouble code?

To fix B23B8: Check the brake pedal sensor. Check the integrity of the wiring harness. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B23B8?

Limited driving only, diagnose soon

How much does it cost to fix B23B8?

The estimated repair cost for B23B8 is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat