Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P24BC EVAP System Leak Detection Pump Pressure Sensor Circuit Intermittent

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEmissionsOBD2

What P24BC means

P24BC
EVAP System Leak Detection Pump Pressure Sensor Circuit Intermittent Generic · emissions Data confidence 65%

The control module detected an unstable or intermittent signal in the EVAP System Leak Detection Pump Pressure circuit.

Symptoms

  • MIL illuminated
  • Possible fuel smell in case of larger leaks

Possible causes

  • Loose or faulty fuel filler cap
  • Cracked EVAP hose or line
  • Purge or vent valve fault
  • Fuel tank pressure sensor fault
  • Leak detection pump fault

Recommended checks

  • Check fuel filler cap seating first
  • Read fuel tank pressure sensor values
  • Actuate purge and vent valves and verify response
  • Smoke-test the EVAP system for leaks

Related and nearby codes

How to read P24BC

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

4BC

Specific fault index within the subsystem.

Frequently asked questions about P24BC

What does P24BC mean?

EVAP System Leak Detection Pump Pressure Sensor Circuit Intermittent. The control module detected an unstable or intermittent signal in the EVAP System Leak Detection Pump Pressure circuit.

Is P24BC generic or manufacturer-specific?

P24BC is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P24BC at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningDyno-tested results by model and engine See the results →

← Search the full DTC database