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TuningBot DTC Database · v4.37.15

P24BA EVAP System Leak Detection Pump Pressure Sensor Circuit Low

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

P · PowertrainEmissionsOBD2

What P24BA means

P24BA
EVAP System Leak Detection Pump Pressure Sensor Circuit Low Generic · emissions Data confidence 65%

The control module detected that the signal in the EVAP System Leak Detection Pump Pressure circuit stayed below the expected operating range.

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 P24BA

P

Powertrain: engine, transmission and driveline systems.

2

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

4BA

Specific fault index within the subsystem.

Frequently asked questions about P24BA

What does P24BA mean?

EVAP System Leak Detection Pump Pressure Sensor Circuit Low. The control module detected that the signal in the EVAP System Leak Detection Pump Pressure circuit stayed below the expected operating range.

Is P24BA generic or manufacturer-specific?

P24BA is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P24BA 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 →

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