OBD Guide
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C2801

Brake Pressure Transducer Sense Short To Ground

C2801 is an OBD-II diagnostic trouble code meaning: Brake Pressure Transducer Sense Short To Ground. Common causes: wiring harness damage, oxidation of sensor contacts. Estimated repair cost: $56–167.

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

Symptoms

  • ABS/ESC indicator is on
  • Reduced braking system efficiency
  • Disabling the stabilization system

Causes

  • Wiring harness damage
  • Oxidation of sensor contacts
  • Brake pressure sensor malfunction
  • Short circuit in the circuit

How to Fix

  1. Check wiring harness for damage
  2. Check sensor contacts for oxidation
  3. Check the resistance of the brake pressure sensor
  4. Replace brake pressure sensor if necessary
  5. Clean or replace damaged wires

Related codes

C2800C2802C2803

FAQ

What does the C2801 code mean?

C2801 is an OBD-II diagnostic trouble code that indicates: Brake Pressure Transducer Sense Short To Ground

What causes a C2801 error code?

The most common causes of C2801 include: Wiring harness damage; Oxidation of sensor contacts; Brake pressure sensor malfunction; Short circuit in the circuit.

How do I fix a C2801 diagnostic trouble code?

To fix C2801: Check wiring harness for damage. Check sensor contacts for oxidation. Check the resistance of the brake pressure sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2801?

Limited driving only, diagnose soon

How much does it cost to fix C2801?

The estimated repair cost for C2801 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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