OBD Guide

C05C1

Brake Pedal Position Sensor B Not Learned

C05C1 is an OBD-II diagnostic trouble code meaning: Brake Pedal Position Sensor B Not Learned. Common causes: sensor calibration procedure failed, brake pedal position sensor b malfunction. Estimated repair cost: $11–56.

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

Symptoms

  • Check Engine Light Is On
  • Incorrect operation of the brake system
  • Problems activating hill start assist functions

Causes

  • Sensor calibration procedure failed
  • Brake pedal position sensor B malfunction
  • Open or short circuit in wiring harness
  • ABS/ESP module malfunction

How to Fix

  1. Check the connections and integrity of the sensor wiring harness
  2. Perform sensor training/calibration procedure (via diagnostic scanner)
  3. If necessary, replace brake pedal position sensor B
  4. Check the functionality of the ABS/ESP module

Related codes

Error C05C1 by Vehicle Brand

FAQ

What does the C05C1 code mean?

C05C1 is an OBD-II diagnostic trouble code that indicates: Brake Pedal Position Sensor B Not Learned

What causes a C05C1 error code?

The most common causes of C05C1 include: Sensor calibration procedure failed; Brake pedal position sensor B malfunction; Open or short circuit in wiring harness; ABS/ESP module malfunction.

How do I fix a C05C1 diagnostic trouble code?

To fix C05C1: Check the connections and integrity of the sensor wiring harness. Perform sensor training/calibration procedure (via diagnostic scanner). If necessary, replace brake pedal position sensor B. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C05C1?

Limited driving only, diagnose soon

How much does it cost to fix C05C1?

The estimated repair cost for C05C1 is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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