OBD Guide

P24BB

EVAP System Leak Detection Pump Pressure Sensor Circuit High

P24BB is an OBD-II diagnostic trouble code meaning: EVAP System Leak Detection Pump Pressure Sensor Circuit High. Common causes: evap pump pressure sensor malfunction, open or short circuit in the sensor circuit. 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 passing the emissions test
  • Increased fuel consumption
  • The smell of gasoline in or around the car

Causes

  • EVAP pump pressure sensor malfunction
  • Open or short circuit in the sensor circuit
  • Wiring Harness Problems
  • EVAP pump malfunction
  • Damaged or clogged EVAP system

How to Fix

  1. Check the continuity of the pressure sensor circuit
  2. Check the resistance of the pressure sensor
  3. Inspect the wiring harness for damage
  4. Replace EVAP pump pressure sensor if necessary
  5. Check the operation of the EVAP pump

Related codes

Error P24BB by Vehicle Brand

FAQ

What does the P24BB code mean?

P24BB is an OBD-II diagnostic trouble code that indicates: EVAP System Leak Detection Pump Pressure Sensor Circuit High

What causes a P24BB error code?

The most common causes of P24BB include: EVAP pump pressure sensor malfunction; Open or short circuit in the sensor circuit; Wiring Harness Problems; EVAP pump malfunction.

How do I fix a P24BB diagnostic trouble code?

To fix P24BB: Check the continuity of the pressure sensor circuit. Check the resistance of the pressure sensor. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24BB?

Yes, but get it checked soon

How much does it cost to fix P24BB?

The estimated repair cost for P24BB is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat