OBD Guide
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C1823

Electronic Parking Brake Sensor Signal Failure

C1823 is an OBD-II diagnostic trouble code meaning: Electronic Parking Brake Sensor Signal Failure. Common causes: epb position sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • EPB fault light is on
  • Electronic parking brake does not activate/deactivate
  • Loss of EPB auto on/off function

Causes

  • EPB position sensor malfunction
  • Open or short circuit in wiring harness
  • Problems with the EPB control unit
  • Contact corrosion

How to Fix

  1. Check the status of the EPB position sensor
  2. Inspect the wiring harness for damage
  3. Check contacts for corrosion
  4. Scan the EPB control unit for additional errors
  5. Replace sensor or wiring harness if necessary

Related codes

C1824C1825

FAQ

What does the C1823 code mean?

C1823 is an OBD-II diagnostic trouble code that indicates: Electronic Parking Brake Sensor Signal Failure

What causes a C1823 error code?

The most common causes of C1823 include: EPB position sensor malfunction; Open or short circuit in wiring harness; Problems with the EPB control unit; Contact corrosion.

How do I fix a C1823 diagnostic trouble code?

To fix C1823: Check the status of the EPB position sensor. Inspect the wiring harness for damage. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1823?

Limited driving only, diagnose soon

How much does it cost to fix C1823?

The estimated repair cost for C1823 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat