OBD Guide

P24BC

EVAP System Leak Detection Pump Pressure Sensor Circuit Intermittent

P24BC is an OBD-II diagnostic trouble code meaning: EVAP System Leak Detection Pump Pressure Sensor Circuit Intermittent. Common causes: open or short circuit in the sensor circuit, evap pump pressure sensor malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Problems starting the engine
  • Increased fuel consumption
  • Unstable engine idling
  • Smell of fuel in the cabin

Causes

  • Open or short circuit in the sensor circuit
  • EVAP pump pressure sensor malfunction
  • Wiring harness damage
  • Problems with the EVAP system pump
  • Contact corrosion

How to Fix

  1. Check the sensor circuit for open circuit and short circuit
  2. Check the resistance of the EVAP pump pressure sensor
  3. Inspect the wiring harness for damage
  4. Replace EVAP pump pressure sensor if necessary
  5. Clean contacts from corrosion

Related codes

Error P24BC by Vehicle Brand

FAQ

What does the P24BC code mean?

P24BC is an OBD-II diagnostic trouble code that indicates: EVAP System Leak Detection Pump Pressure Sensor Circuit Intermittent

What causes a P24BC error code?

The most common causes of P24BC include: Open or short circuit in the sensor circuit; EVAP pump pressure sensor malfunction; Wiring harness damage; Problems with the EVAP system pump.

How do I fix a P24BC diagnostic trouble code?

To fix P24BC: Check the sensor circuit for open circuit and short circuit. Check the resistance of the EVAP pump pressure sensor. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24BC?

Yes, but get it checked soon

How much does it cost to fix P24BC?

The estimated repair cost for P24BC is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat